/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 08:41:48,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 08:41:48,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 08:41:48,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 08:41:48,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 08:41:48,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 08:41:48,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 08:41:48,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 08:41:48,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 08:41:48,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 08:41:48,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 08:41:48,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 08:41:48,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 08:41:48,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 08:41:48,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 08:41:48,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 08:41:48,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 08:41:48,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 08:41:48,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 08:41:48,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 08:41:48,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-06-05 08:41:48,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 08:41:48,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 08:41:48,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 08:41:48,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 08:41:48,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 08:41:48,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 08:41:48,304 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 08:41:48,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 08:41:48,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 08:41:48,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 08:41:48,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 08:41:48,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 08:41:48,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 08:41:48,306 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 08:41:48,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 08:41:48,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 08:41:48,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 08:41:48,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 08:41:48,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 08:41:48,551 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 08:41:48,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2021-06-05 08:41:48,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f408cb81/2ba3325288c34d3e9970792287590cb7/FLAG7470b4181 [2021-06-05 08:41:48,950 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 08:41:48,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2021-06-05 08:41:48,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f408cb81/2ba3325288c34d3e9970792287590cb7/FLAG7470b4181 [2021-06-05 08:41:49,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f408cb81/2ba3325288c34d3e9970792287590cb7 [2021-06-05 08:41:49,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 08:41:49,328 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 08:41:49,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 08:41:49,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 08:41:49,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 08:41:49,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d290f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49, skipping insertion in model container [2021-06-05 08:41:49,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 08:41:49,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 08:41:49,634 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2021-06-05 08:41:49,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 08:41:49,650 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 08:41:49,687 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2021-06-05 08:41:49,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 08:41:49,733 INFO L208 MainTranslator]: Completed translation [2021-06-05 08:41:49,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49 WrapperNode [2021-06-05 08:41:49,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 08:41:49,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 08:41:49,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 08:41:49,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 08:41:49,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 08:41:49,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 08:41:49,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 08:41:49,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 08:41:49,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... [2021-06-05 08:41:49,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 08:41:49,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 08:41:49,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 08:41:49,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 08:41:49,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 08:41:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 08:41:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-05 08:41:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-05 08:41:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 08:41:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 08:41:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 08:41:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 08:41:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 08:41:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 08:41:49,843 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 08:41:50,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 08:41:50,532 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-06-05 08:41:50,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:41:50 BoogieIcfgContainer [2021-06-05 08:41:50,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 08:41:50,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 08:41:50,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 08:41:50,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 08:41:50,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:41:49" (1/3) ... [2021-06-05 08:41:50,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773f6dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:41:50, skipping insertion in model container [2021-06-05 08:41:50,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:41:49" (2/3) ... [2021-06-05 08:41:50,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773f6dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:41:50, skipping insertion in model container [2021-06-05 08:41:50,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:41:50" (3/3) ... [2021-06-05 08:41:50,538 INFO L111 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longest-2.i [2021-06-05 08:41:50,542 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 08:41:50,542 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 08:41:50,542 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 08:41:50,543 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 08:41:50,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,590 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,591 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,594 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,596 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,597 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,604 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,605 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:41:50,608 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 08:41:50,623 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-05 08:41:50,635 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 08:41:50,635 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 08:41:50,636 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 08:41:50,636 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 08:41:50,636 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 08:41:50,636 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 08:41:50,636 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 08:41:50,636 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 08:41:50,643 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 109 transitions, 223 flow [2021-06-05 08:41:50,671 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 913 states, 908 states have (on average 2.094713656387665) internal successors, (1902), 912 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 913 states, 908 states have (on average 2.094713656387665) internal successors, (1902), 912 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-05 08:41:50,687 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:50,688 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:50,688 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:50,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:50,692 INFO L82 PathProgramCache]: Analyzing trace with hash 971065329, now seen corresponding path program 1 times [2021-06-05 08:41:50,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:50,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779551146] [2021-06-05 08:41:50,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:50,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:50,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779551146] [2021-06-05 08:41:50,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779551146] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:41:50,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:41:50,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:41:50,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343322249] [2021-06-05 08:41:50,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:41:50,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:50,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:41:50,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:41:50,922 INFO L87 Difference]: Start difference. First operand has 913 states, 908 states have (on average 2.094713656387665) internal successors, (1902), 912 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:50,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:50,986 INFO L93 Difference]: Finished difference Result 520 states and 978 transitions. [2021-06-05 08:41:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 08:41:50,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-06-05 08:41:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:50,995 INFO L225 Difference]: With dead ends: 520 [2021-06-05 08:41:50,995 INFO L226 Difference]: Without dead ends: 520 [2021-06-05 08:41:50,996 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:41:51,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-06-05 08:41:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2021-06-05 08:41:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 519 states have (on average 1.884393063583815) internal successors, (978), 519 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 978 transitions. [2021-06-05 08:41:51,038 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 978 transitions. Word has length 66 [2021-06-05 08:41:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:51,039 INFO L482 AbstractCegarLoop]: Abstraction has 520 states and 978 transitions. [2021-06-05 08:41:51,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 978 transitions. [2021-06-05 08:41:51,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 08:41:51,041 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:51,041 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:51,041 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 08:41:51,041 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:51,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:51,041 INFO L82 PathProgramCache]: Analyzing trace with hash 214078354, now seen corresponding path program 1 times [2021-06-05 08:41:51,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:51,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184008486] [2021-06-05 08:41:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:51,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:51,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184008486] [2021-06-05 08:41:51,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184008486] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:41:51,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:41:51,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 08:41:51,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467813396] [2021-06-05 08:41:51,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:41:51,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:51,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:41:51,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:41:51,113 INFO L87 Difference]: Start difference. First operand 520 states and 978 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:51,134 INFO L93 Difference]: Finished difference Result 648 states and 1218 transitions. [2021-06-05 08:41:51,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:41:51,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-06-05 08:41:51,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:51,140 INFO L225 Difference]: With dead ends: 648 [2021-06-05 08:41:51,140 INFO L226 Difference]: Without dead ends: 648 [2021-06-05 08:41:51,140 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:41:51,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-06-05 08:41:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 632. [2021-06-05 08:41:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 631 states have (on average 1.8827258320126783) internal successors, (1188), 631 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1188 transitions. [2021-06-05 08:41:51,171 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1188 transitions. Word has length 68 [2021-06-05 08:41:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:51,172 INFO L482 AbstractCegarLoop]: Abstraction has 632 states and 1188 transitions. [2021-06-05 08:41:51,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1188 transitions. [2021-06-05 08:41:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 08:41:51,178 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:51,178 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:51,179 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 08:41:51,179 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:51,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:51,179 INFO L82 PathProgramCache]: Analyzing trace with hash -940793676, now seen corresponding path program 1 times [2021-06-05 08:41:51,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:51,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439235179] [2021-06-05 08:41:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:51,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:51,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439235179] [2021-06-05 08:41:51,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439235179] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:41:51,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:41:51,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 08:41:51,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063360622] [2021-06-05 08:41:51,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 08:41:51,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:51,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 08:41:51,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:41:51,267 INFO L87 Difference]: Start difference. First operand 632 states and 1188 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:51,352 INFO L93 Difference]: Finished difference Result 952 states and 1796 transitions. [2021-06-05 08:41:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 08:41:51,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 08:41:51,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:51,355 INFO L225 Difference]: With dead ends: 952 [2021-06-05 08:41:51,355 INFO L226 Difference]: Without dead ends: 952 [2021-06-05 08:41:51,356 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 42.2ms TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:41:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-06-05 08:41:51,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 704. [2021-06-05 08:41:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 703 states have (on average 1.8819345661450924) internal successors, (1323), 703 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1323 transitions. [2021-06-05 08:41:51,369 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1323 transitions. Word has length 69 [2021-06-05 08:41:51,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:51,370 INFO L482 AbstractCegarLoop]: Abstraction has 704 states and 1323 transitions. [2021-06-05 08:41:51,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1323 transitions. [2021-06-05 08:41:51,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-06-05 08:41:51,371 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:51,371 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:51,371 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 08:41:51,371 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:51,372 INFO L82 PathProgramCache]: Analyzing trace with hash -2097099859, now seen corresponding path program 1 times [2021-06-05 08:41:51,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:51,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006358300] [2021-06-05 08:41:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:51,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:51,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006358300] [2021-06-05 08:41:51,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006358300] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:41:51,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:41:51,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-05 08:41:51,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033166269] [2021-06-05 08:41:51,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:41:51,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:51,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:41:51,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-06-05 08:41:51,678 INFO L87 Difference]: Start difference. First operand 704 states and 1323 transitions. Second operand has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:52,238 INFO L93 Difference]: Finished difference Result 1070 states and 2019 transitions. [2021-06-05 08:41:52,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 08:41:52,238 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-06-05 08:41:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:52,244 INFO L225 Difference]: With dead ends: 1070 [2021-06-05 08:41:52,244 INFO L226 Difference]: Without dead ends: 1070 [2021-06-05 08:41:52,244 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 459.3ms TimeCoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:41:52,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-06-05 08:41:52,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 868. [2021-06-05 08:41:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.8869665513264129) internal successors, (1636), 867 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:52,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1636 transitions. [2021-06-05 08:41:52,266 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1636 transitions. Word has length 79 [2021-06-05 08:41:52,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:52,267 INFO L482 AbstractCegarLoop]: Abstraction has 868 states and 1636 transitions. [2021-06-05 08:41:52,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1636 transitions. [2021-06-05 08:41:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 08:41:52,268 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:52,269 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:52,269 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 08:41:52,269 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:52,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:52,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1171045543, now seen corresponding path program 1 times [2021-06-05 08:41:52,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:52,270 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659385730] [2021-06-05 08:41:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:52,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:41:52,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:52,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659385730] [2021-06-05 08:41:52,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659385730] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:52,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217857115] [2021-06-05 08:41:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:52,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-05 08:41:52,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:41:52,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:41:52,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:52,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:52,991 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:41:52,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:41:52,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:53,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:53,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:41:53,008 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:36 [2021-06-05 08:41:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:41:53,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217857115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:53,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:41:53,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-05 08:41:53,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062801288] [2021-06-05 08:41:53,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 08:41:53,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:53,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 08:41:53,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2021-06-05 08:41:53,235 INFO L87 Difference]: Start difference. First operand 868 states and 1636 transitions. Second operand has 27 states, 26 states have (on average 4.5) internal successors, (117), 27 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:53,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:53,896 INFO L93 Difference]: Finished difference Result 1112 states and 2084 transitions. [2021-06-05 08:41:53,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 08:41:53,897 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.5) internal successors, (117), 27 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 08:41:53,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:53,900 INFO L225 Difference]: With dead ends: 1112 [2021-06-05 08:41:53,900 INFO L226 Difference]: Without dead ends: 1112 [2021-06-05 08:41:53,900 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 654.9ms TimeCoverageRelationStatistics Valid=283, Invalid=1439, Unknown=0, NotChecked=0, Total=1722 [2021-06-05 08:41:53,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2021-06-05 08:41:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 860. [2021-06-05 08:41:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 859 states have (on average 1.890570430733411) internal successors, (1624), 859 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1624 transitions. [2021-06-05 08:41:53,915 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1624 transitions. Word has length 85 [2021-06-05 08:41:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:53,915 INFO L482 AbstractCegarLoop]: Abstraction has 860 states and 1624 transitions. [2021-06-05 08:41:53,915 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 26 states have (on average 4.5) internal successors, (117), 27 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1624 transitions. [2021-06-05 08:41:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 08:41:53,916 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:53,916 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:54,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:54,129 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:54,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:54,129 INFO L82 PathProgramCache]: Analyzing trace with hash 949255203, now seen corresponding path program 2 times [2021-06-05 08:41:54,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:54,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285772001] [2021-06-05 08:41:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:41:54,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:54,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285772001] [2021-06-05 08:41:54,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285772001] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:54,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108194848] [2021-06-05 08:41:54,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:54,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:41:54,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:41:54,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-05 08:41:54,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:41:54,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:41:54,538 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:54,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:41:54,580 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:41:54,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:41:54,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:54,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:41:54,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2021-06-05 08:41:54,656 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:41:54,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:41:54,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:54,665 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,666 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:11 [2021-06-05 08:41:54,874 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:41:54,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:41:54,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:54,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:41:54,894 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:54,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:54,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:41:54,908 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:41:55,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:41:55,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:55,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:55,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:41:55,080 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:11 [2021-06-05 08:41:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:41:55,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108194848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:55,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:41:55,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2021-06-05 08:41:55,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564173160] [2021-06-05 08:41:55,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 08:41:55,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:55,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 08:41:55,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1087, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:41:55,199 INFO L87 Difference]: Start difference. First operand 860 states and 1624 transitions. Second operand has 35 states, 34 states have (on average 4.5) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:57,057 INFO L93 Difference]: Finished difference Result 1188 states and 2236 transitions. [2021-06-05 08:41:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-05 08:41:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.5) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 08:41:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:57,060 INFO L225 Difference]: With dead ends: 1188 [2021-06-05 08:41:57,060 INFO L226 Difference]: Without dead ends: 1188 [2021-06-05 08:41:57,061 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 1637.3ms TimeCoverageRelationStatistics Valid=650, Invalid=3906, Unknown=0, NotChecked=0, Total=4556 [2021-06-05 08:41:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2021-06-05 08:41:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 856. [2021-06-05 08:41:57,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 855 states have (on average 1.8900584795321638) internal successors, (1616), 855 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1616 transitions. [2021-06-05 08:41:57,074 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1616 transitions. Word has length 85 [2021-06-05 08:41:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:57,074 INFO L482 AbstractCegarLoop]: Abstraction has 856 states and 1616 transitions. [2021-06-05 08:41:57,074 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 4.5) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1616 transitions. [2021-06-05 08:41:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-06-05 08:41:57,076 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:57,076 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:57,291 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:57,291 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:57,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:57,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2047018076, now seen corresponding path program 1 times [2021-06-05 08:41:57,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:57,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389547599] [2021-06-05 08:41:57,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:57,381 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:57,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389547599] [2021-06-05 08:41:57,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389547599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:57,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550405550] [2021-06-05 08:41:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:57,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-05 08:41:57,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:41:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:57,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550405550] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:57,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:41:57,608 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-06-05 08:41:57,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047963350] [2021-06-05 08:41:57,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 08:41:57,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:57,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 08:41:57,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:41:57,609 INFO L87 Difference]: Start difference. First operand 856 states and 1616 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:57,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:57,619 INFO L93 Difference]: Finished difference Result 984 states and 1856 transitions. [2021-06-05 08:41:57,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 08:41:57,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-06-05 08:41:57,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:57,622 INFO L225 Difference]: With dead ends: 984 [2021-06-05 08:41:57,622 INFO L226 Difference]: Without dead ends: 984 [2021-06-05 08:41:57,622 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:41:57,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-06-05 08:41:57,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 968. [2021-06-05 08:41:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 967 states have (on average 1.8883143743536712) internal successors, (1826), 967 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1826 transitions. [2021-06-05 08:41:57,635 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1826 transitions. Word has length 109 [2021-06-05 08:41:57,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:57,635 INFO L482 AbstractCegarLoop]: Abstraction has 968 states and 1826 transitions. [2021-06-05 08:41:57,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1826 transitions. [2021-06-05 08:41:57,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-06-05 08:41:57,636 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:57,636 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:57,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:57,857 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:57,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:57,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1979661026, now seen corresponding path program 1 times [2021-06-05 08:41:57,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:57,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316917466] [2021-06-05 08:41:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-06-05 08:41:57,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:57,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316917466] [2021-06-05 08:41:57,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316917466] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:41:57,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:41:57,973 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:41:57,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638906850] [2021-06-05 08:41:57,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 08:41:57,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:57,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 08:41:57,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:41:57,974 INFO L87 Difference]: Start difference. First operand 968 states and 1826 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:58,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:41:58,013 INFO L93 Difference]: Finished difference Result 1392 states and 2645 transitions. [2021-06-05 08:41:58,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-05 08:41:58,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-06-05 08:41:58,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:41:58,017 INFO L225 Difference]: With dead ends: 1392 [2021-06-05 08:41:58,017 INFO L226 Difference]: Without dead ends: 1392 [2021-06-05 08:41:58,017 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-05 08:41:58,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2021-06-05 08:41:58,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1008. [2021-06-05 08:41:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1007 states have (on average 1.887785501489573) internal successors, (1901), 1007 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1901 transitions. [2021-06-05 08:41:58,032 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1901 transitions. Word has length 110 [2021-06-05 08:41:58,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:41:58,032 INFO L482 AbstractCegarLoop]: Abstraction has 1008 states and 1901 transitions. [2021-06-05 08:41:58,032 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:41:58,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1901 transitions. [2021-06-05 08:41:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-06-05 08:41:58,033 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:41:58,034 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:41:58,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-05 08:41:58,034 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:41:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:41:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1758264229, now seen corresponding path program 1 times [2021-06-05 08:41:58,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:41:58,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680856361] [2021-06-05 08:41:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:41:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:58,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:41:58,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680856361] [2021-06-05 08:41:58,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680856361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:58,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848309881] [2021-06-05 08:41:58,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:41:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:41:58,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-05 08:41:58,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:41:58,677 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:41:58,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-06-05 08:41:58,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:58,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:58,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:41:58,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:41:58,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:41:58,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:41:58,714 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:40 [2021-06-05 08:41:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:41:59,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848309881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:41:59,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:41:59,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 31 [2021-06-05 08:41:59,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098906158] [2021-06-05 08:41:59,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-05 08:41:59,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:41:59,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-05 08:41:59,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=861, Unknown=0, NotChecked=0, Total=992 [2021-06-05 08:41:59,010 INFO L87 Difference]: Start difference. First operand 1008 states and 1901 transitions. Second operand has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 32 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:02,151 INFO L93 Difference]: Finished difference Result 1796 states and 3358 transitions. [2021-06-05 08:42:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-05 08:42:02,152 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 32 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-06-05 08:42:02,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:02,156 INFO L225 Difference]: With dead ends: 1796 [2021-06-05 08:42:02,156 INFO L226 Difference]: Without dead ends: 1292 [2021-06-05 08:42:02,158 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3276 ImplicationChecksByTransitivity, 2798.4ms TimeCoverageRelationStatistics Valid=1299, Invalid=9003, Unknown=0, NotChecked=0, Total=10302 [2021-06-05 08:42:02,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-06-05 08:42:02,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 902. [2021-06-05 08:42:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 901 states have (on average 1.851276359600444) internal successors, (1668), 901 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:02,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1668 transitions. [2021-06-05 08:42:02,189 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1668 transitions. Word has length 120 [2021-06-05 08:42:02,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:02,189 INFO L482 AbstractCegarLoop]: Abstraction has 902 states and 1668 transitions. [2021-06-05 08:42:02,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 31 states have (on average 6.064516129032258) internal successors, (188), 32 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:02,189 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1668 transitions. [2021-06-05 08:42:02,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-06-05 08:42:02,191 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:02,191 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:02,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:02,407 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:02,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:02,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1697369609, now seen corresponding path program 1 times [2021-06-05 08:42:02,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:02,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614066129] [2021-06-05 08:42:02,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:02,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:02,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614066129] [2021-06-05 08:42:02,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614066129] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:02,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116212822] [2021-06-05 08:42:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:02,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-05 08:42:02,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:42:02,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:42:02,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:02,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:02,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:02,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:42:02,968 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:42:02,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:42:02,971 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:02,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:02,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:42:02,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2021-06-05 08:42:03,047 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:42:03,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:42:03,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:03,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:03,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:03,056 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:11 [2021-06-05 08:42:03,476 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:42:03,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-06-05 08:42:03,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:03,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:03,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:42:03,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:03,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:03,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:03,509 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:48 [2021-06-05 08:42:03,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:42:03,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:03,744 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-06-05 08:42:03,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 36 [2021-06-05 08:42:03,747 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:03,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:03,795 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:03,796 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:60, output treesize:23 [2021-06-05 08:42:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:03,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116212822] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:03,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:42:03,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 44 [2021-06-05 08:42:03,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093043342] [2021-06-05 08:42:03,972 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-05 08:42:03,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:03,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-05 08:42:03,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1849, Unknown=0, NotChecked=0, Total=1980 [2021-06-05 08:42:03,973 INFO L87 Difference]: Start difference. First operand 902 states and 1668 transitions. Second operand has 45 states, 44 states have (on average 4.659090909090909) internal successors, (205), 45 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:07,212 INFO L93 Difference]: Finished difference Result 1218 states and 2259 transitions. [2021-06-05 08:42:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-06-05 08:42:07,212 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 4.659090909090909) internal successors, (205), 45 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-06-05 08:42:07,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:07,215 INFO L225 Difference]: With dead ends: 1218 [2021-06-05 08:42:07,215 INFO L226 Difference]: Without dead ends: 1196 [2021-06-05 08:42:07,217 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2732 ImplicationChecksByTransitivity, 3214.2ms TimeCoverageRelationStatistics Valid=1116, Invalid=9186, Unknown=0, NotChecked=0, Total=10302 [2021-06-05 08:42:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2021-06-05 08:42:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 926. [2021-06-05 08:42:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 925 states have (on average 1.8486486486486486) internal successors, (1710), 925 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1710 transitions. [2021-06-05 08:42:07,228 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1710 transitions. Word has length 126 [2021-06-05 08:42:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:07,228 INFO L482 AbstractCegarLoop]: Abstraction has 926 states and 1710 transitions. [2021-06-05 08:42:07,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 44 states have (on average 4.659090909090909) internal successors, (205), 45 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1710 transitions. [2021-06-05 08:42:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-06-05 08:42:07,230 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:07,230 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:07,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-05 08:42:07,445 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:07,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:07,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1156282051, now seen corresponding path program 1 times [2021-06-05 08:42:07,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:07,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842169598] [2021-06-05 08:42:07,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-06-05 08:42:07,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:07,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842169598] [2021-06-05 08:42:07,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842169598] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:07,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:07,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-05 08:42:07,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152059874] [2021-06-05 08:42:07,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-05 08:42:07,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:07,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-05 08:42:07,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-05 08:42:07,501 INFO L87 Difference]: Start difference. First operand 926 states and 1710 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:07,541 INFO L93 Difference]: Finished difference Result 1130 states and 2084 transitions. [2021-06-05 08:42:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 08:42:07,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2021-06-05 08:42:07,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:07,545 INFO L225 Difference]: With dead ends: 1130 [2021-06-05 08:42:07,545 INFO L226 Difference]: Without dead ends: 1130 [2021-06-05 08:42:07,545 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-06-05 08:42:07,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2021-06-05 08:42:07,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 962. [2021-06-05 08:42:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.8480749219562955) internal successors, (1776), 961 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1776 transitions. [2021-06-05 08:42:07,557 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1776 transitions. Word has length 166 [2021-06-05 08:42:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:07,558 INFO L482 AbstractCegarLoop]: Abstraction has 962 states and 1776 transitions. [2021-06-05 08:42:07,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1776 transitions. [2021-06-05 08:42:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-06-05 08:42:07,559 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:07,559 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:07,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-05 08:42:07,560 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:07,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:07,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1150098983, now seen corresponding path program 2 times [2021-06-05 08:42:07,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:07,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629808400] [2021-06-05 08:42:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-06-05 08:42:07,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:07,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629808400] [2021-06-05 08:42:07,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629808400] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:07,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781160560] [2021-06-05 08:42:07,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:07,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:42:07,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:42:07,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-05 08:42:07,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:42:08,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:42:08,071 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:08,082 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:08,092 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:42:08,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-06-05 08:42:08,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:08,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:08,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:08,109 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:57, output treesize:41 [2021-06-05 08:42:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-05 08:42:08,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781160560] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:08,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:42:08,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 25 [2021-06-05 08:42:08,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240027346] [2021-06-05 08:42:08,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-05 08:42:08,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:08,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-05 08:42:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2021-06-05 08:42:08,327 INFO L87 Difference]: Start difference. First operand 962 states and 1776 transitions. Second operand has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:08,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:08,735 INFO L93 Difference]: Finished difference Result 1230 states and 2268 transitions. [2021-06-05 08:42:08,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-05 08:42:08,736 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2021-06-05 08:42:08,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:08,739 INFO L225 Difference]: With dead ends: 1230 [2021-06-05 08:42:08,739 INFO L226 Difference]: Without dead ends: 1200 [2021-06-05 08:42:08,739 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 570.9ms TimeCoverageRelationStatistics Valid=226, Invalid=964, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:42:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2021-06-05 08:42:08,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 954. [2021-06-05 08:42:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 953 states have (on average 1.8467995802728228) internal successors, (1760), 953 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1760 transitions. [2021-06-05 08:42:08,752 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1760 transitions. Word has length 167 [2021-06-05 08:42:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:08,752 INFO L482 AbstractCegarLoop]: Abstraction has 954 states and 1760 transitions. [2021-06-05 08:42:08,752 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1760 transitions. [2021-06-05 08:42:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-06-05 08:42:08,754 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:08,754 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:08,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:08,985 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:08,985 INFO L82 PathProgramCache]: Analyzing trace with hash 970201763, now seen corresponding path program 3 times [2021-06-05 08:42:08,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:08,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309136474] [2021-06-05 08:42:08,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-06-05 08:42:09,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:09,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309136474] [2021-06-05 08:42:09,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309136474] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:09,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877259091] [2021-06-05 08:42:09,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:09,433 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-06-05 08:42:09,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:42:09,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-05 08:42:09,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:42:09,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:42:09,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:09,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,461 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:42:09,491 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:42:09,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:42:09,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:09,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:42:09,498 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:18 [2021-06-05 08:42:09,549 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:42:09,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:42:09,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:09,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,556 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:8 [2021-06-05 08:42:09,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:42:09,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,787 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:09,799 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:42:09,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-06-05 08:42:09,800 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:09,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:09,818 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:49 [2021-06-05 08:42:09,970 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-06-05 08:42:09,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-06-05 08:42:09,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:09,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:09,987 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:34, output treesize:12 [2021-06-05 08:42:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-06-05 08:42:10,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877259091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:10,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:42:10,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13] total 33 [2021-06-05 08:42:10,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824790918] [2021-06-05 08:42:10,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-05 08:42:10,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:10,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-05 08:42:10,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2021-06-05 08:42:10,084 INFO L87 Difference]: Start difference. First operand 954 states and 1760 transitions. Second operand has 34 states, 33 states have (on average 6.242424242424242) internal successors, (206), 34 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:11,048 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-05 08:42:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:13,054 INFO L93 Difference]: Finished difference Result 1312 states and 2423 transitions. [2021-06-05 08:42:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 08:42:13,055 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.242424242424242) internal successors, (206), 34 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2021-06-05 08:42:13,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:13,055 INFO L225 Difference]: With dead ends: 1312 [2021-06-05 08:42:13,055 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 08:42:13,056 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2510 ImplicationChecksByTransitivity, 2946.2ms TimeCoverageRelationStatistics Valid=1174, Invalid=7198, Unknown=0, NotChecked=0, Total=8372 [2021-06-05 08:42:13,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 08:42:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 08:42:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 08:42:13,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2021-06-05 08:42:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:13,057 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 08:42:13,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 33 states have (on average 6.242424242424242) internal successors, (206), 34 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 08:42:13,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 08:42:13,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-06-05 08:42:13,273 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-06-05 08:42:13,274 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 08:42:13,275 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 08:42:13,275 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 08:42:13,275 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 08:42:13,275 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 08:42:13,275 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 08:42:13,275 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 08:42:13,275 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 08:42:13,275 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-06-05 08:42:13,276 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 109 transitions, 223 flow [2021-06-05 08:42:13,285 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 913 states, 908 states have (on average 2.094713656387665) internal successors, (1902), 912 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 913 states, 908 states have (on average 2.094713656387665) internal successors, (1902), 912 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:13,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-05 08:42:13,287 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:13,287 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:13,287 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 08:42:13,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:13,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2100368395, now seen corresponding path program 1 times [2021-06-05 08:42:13,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:13,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436392489] [2021-06-05 08:42:13,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 08:42:13,293 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 08:42:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 08:42:13,297 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 08:42:13,309 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 08:42:13,309 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 08:42:13,309 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-05 08:42:13,309 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-06-05 08:42:13,310 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 08:42:13,310 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-05 08:42:13,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#in~r| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~switch16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_index_malloc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~oldTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~d not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~v.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_~newTop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~u| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_index_malloc_~curr_alloc_idx~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_loop_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~e| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#in~d| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~v.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_push_loop_~arg~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~e not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_isEmpty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_assert_~r not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_CAS_~u not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_push_~#casret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_assert_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:42:13,366 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 08:42:13,367 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 08:42:13,367 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 08:42:13,367 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 08:42:13,367 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 08:42:13,367 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 08:42:13,367 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 08:42:13,367 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 08:42:13,367 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 08:42:13,367 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 08:42:13,369 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 172 places, 186 transitions, 384 flow [2021-06-05 08:42:17,791 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 60957 states, 60946 states have (on average 3.220982509106422) internal successors, (196306), 60956 states have internal predecessors, (196306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 60957 states, 60946 states have (on average 3.220982509106422) internal successors, (196306), 60956 states have internal predecessors, (196306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-05 08:42:17,899 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:17,899 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:17,899 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:17,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1672597507, now seen corresponding path program 1 times [2021-06-05 08:42:17,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:17,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130893805] [2021-06-05 08:42:17,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:42:17,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:17,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130893805] [2021-06-05 08:42:17,915 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130893805] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:17,915 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:17,915 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:42:17,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527418732] [2021-06-05 08:42:17,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:42:17,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:17,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:42:17,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:42:17,986 INFO L87 Difference]: Start difference. First operand has 60957 states, 60946 states have (on average 3.220982509106422) internal successors, (196306), 60956 states have internal predecessors, (196306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:18,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:18,423 INFO L93 Difference]: Finished difference Result 39434 states and 117329 transitions. [2021-06-05 08:42:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 08:42:18,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-06-05 08:42:18,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:18,569 INFO L225 Difference]: With dead ends: 39434 [2021-06-05 08:42:18,570 INFO L226 Difference]: Without dead ends: 39306 [2021-06-05 08:42:18,570 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 102.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:42:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39306 states. [2021-06-05 08:42:19,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39306 to 37802. [2021-06-05 08:42:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37802 states, 37799 states have (on average 2.978412127304955) internal successors, (112581), 37801 states have internal predecessors, (112581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37802 states to 37802 states and 112581 transitions. [2021-06-05 08:42:19,755 INFO L78 Accepts]: Start accepts. Automaton has 37802 states and 112581 transitions. Word has length 66 [2021-06-05 08:42:19,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:19,755 INFO L482 AbstractCegarLoop]: Abstraction has 37802 states and 112581 transitions. [2021-06-05 08:42:19,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 37802 states and 112581 transitions. [2021-06-05 08:42:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 08:42:19,773 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:19,773 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:19,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-05 08:42:19,773 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:19,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2020226722, now seen corresponding path program 1 times [2021-06-05 08:42:19,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:19,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938717358] [2021-06-05 08:42:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:42:19,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:19,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938717358] [2021-06-05 08:42:19,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938717358] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:19,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:19,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-05 08:42:19,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357098531] [2021-06-05 08:42:19,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-05 08:42:19,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:19,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-05 08:42:19,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:42:19,795 INFO L87 Difference]: Start difference. First operand 37802 states and 112581 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:20,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:20,197 INFO L93 Difference]: Finished difference Result 45338 states and 134405 transitions. [2021-06-05 08:42:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-05 08:42:20,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-06-05 08:42:20,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:20,320 INFO L225 Difference]: With dead ends: 45338 [2021-06-05 08:42:20,320 INFO L226 Difference]: Without dead ends: 45338 [2021-06-05 08:42:20,321 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-05 08:42:20,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45338 states. [2021-06-05 08:42:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45338 to 45178. [2021-06-05 08:42:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45178 states, 45175 states have (on average 2.965733259546209) internal successors, (133977), 45177 states have internal predecessors, (133977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45178 states to 45178 states and 133977 transitions. [2021-06-05 08:42:21,529 INFO L78 Accepts]: Start accepts. Automaton has 45178 states and 133977 transitions. Word has length 68 [2021-06-05 08:42:21,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:21,529 INFO L482 AbstractCegarLoop]: Abstraction has 45178 states and 133977 transitions. [2021-06-05 08:42:21,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 45178 states and 133977 transitions. [2021-06-05 08:42:21,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-05 08:42:21,545 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:21,545 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:21,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-05 08:42:21,545 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:21,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1484774034, now seen corresponding path program 1 times [2021-06-05 08:42:21,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:21,545 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238451790] [2021-06-05 08:42:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:21,678 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-06-05 08:42:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:42:21,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:21,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238451790] [2021-06-05 08:42:21,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238451790] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:21,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:21,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 08:42:21,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864262654] [2021-06-05 08:42:21,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 08:42:21,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:21,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 08:42:21,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:42:21,695 INFO L87 Difference]: Start difference. First operand 45178 states and 133977 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:21,968 INFO L93 Difference]: Finished difference Result 66052 states and 195500 transitions. [2021-06-05 08:42:21,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 08:42:21,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-05 08:42:21,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:22,079 INFO L225 Difference]: With dead ends: 66052 [2021-06-05 08:42:22,079 INFO L226 Difference]: Without dead ends: 66052 [2021-06-05 08:42:22,079 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 149.5ms TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:42:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66052 states. [2021-06-05 08:42:23,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66052 to 49387. [2021-06-05 08:42:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49387 states, 49384 states have (on average 2.961829742426697) internal successors, (146267), 49386 states have internal predecessors, (146267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49387 states to 49387 states and 146267 transitions. [2021-06-05 08:42:23,448 INFO L78 Accepts]: Start accepts. Automaton has 49387 states and 146267 transitions. Word has length 69 [2021-06-05 08:42:23,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:23,448 INFO L482 AbstractCegarLoop]: Abstraction has 49387 states and 146267 transitions. [2021-06-05 08:42:23,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 49387 states and 146267 transitions. [2021-06-05 08:42:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-06-05 08:42:23,465 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:23,465 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:23,465 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-05 08:42:23,465 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:23,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:23,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1609808271, now seen corresponding path program 1 times [2021-06-05 08:42:23,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:23,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275127554] [2021-06-05 08:42:23,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:42:23,482 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:23,482 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275127554] [2021-06-05 08:42:23,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275127554] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:23,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:23,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:42:23,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767438432] [2021-06-05 08:42:23,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:42:23,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:23,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:42:23,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:42:23,483 INFO L87 Difference]: Start difference. First operand 49387 states and 146267 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:23,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:23,796 INFO L93 Difference]: Finished difference Result 49235 states and 145734 transitions. [2021-06-05 08:42:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 08:42:23,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-06-05 08:42:23,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:23,898 INFO L225 Difference]: With dead ends: 49235 [2021-06-05 08:42:23,899 INFO L226 Difference]: Without dead ends: 49235 [2021-06-05 08:42:23,899 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:42:24,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49235 states. [2021-06-05 08:42:24,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49235 to 49235. [2021-06-05 08:42:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49235 states, 49232 states have (on average 2.960147871303217) internal successors, (145734), 49234 states have internal predecessors, (145734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49235 states to 49235 states and 145734 transitions. [2021-06-05 08:42:24,953 INFO L78 Accepts]: Start accepts. Automaton has 49235 states and 145734 transitions. Word has length 74 [2021-06-05 08:42:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:24,954 INFO L482 AbstractCegarLoop]: Abstraction has 49235 states and 145734 transitions. [2021-06-05 08:42:24,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 49235 states and 145734 transitions. [2021-06-05 08:42:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-06-05 08:42:24,975 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:24,975 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:24,975 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-05 08:42:24,975 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:24,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:24,975 INFO L82 PathProgramCache]: Analyzing trace with hash -764343602, now seen corresponding path program 1 times [2021-06-05 08:42:24,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:24,976 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126937449] [2021-06-05 08:42:24,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:42:25,020 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:25,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126937449] [2021-06-05 08:42:25,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126937449] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:25,021 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:25,021 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 08:42:25,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633029228] [2021-06-05 08:42:25,021 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 08:42:25,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:25,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 08:42:25,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-05 08:42:25,022 INFO L87 Difference]: Start difference. First operand 49235 states and 145734 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:25,479 INFO L93 Difference]: Finished difference Result 73163 states and 216367 transitions. [2021-06-05 08:42:25,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-05 08:42:25,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-06-05 08:42:25,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:25,585 INFO L225 Difference]: With dead ends: 73163 [2021-06-05 08:42:25,586 INFO L226 Difference]: Without dead ends: 73163 [2021-06-05 08:42:25,586 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 47.7ms TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-05 08:42:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73163 states. [2021-06-05 08:42:26,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73163 to 54067. [2021-06-05 08:42:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54067 states, 54064 states have (on average 2.9568289434744006) internal successors, (159858), 54066 states have internal predecessors, (159858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54067 states to 54067 states and 159858 transitions. [2021-06-05 08:42:26,973 INFO L78 Accepts]: Start accepts. Automaton has 54067 states and 159858 transitions. Word has length 76 [2021-06-05 08:42:26,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:26,974 INFO L482 AbstractCegarLoop]: Abstraction has 54067 states and 159858 transitions. [2021-06-05 08:42:26,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 54067 states and 159858 transitions. [2021-06-05 08:42:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-06-05 08:42:26,990 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:26,990 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:26,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-05 08:42:26,990 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:26,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:26,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1684927399, now seen corresponding path program 1 times [2021-06-05 08:42:26,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:26,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686419652] [2021-06-05 08:42:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:42:27,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:27,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686419652] [2021-06-05 08:42:27,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686419652] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:27,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:27,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-05 08:42:27,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195497577] [2021-06-05 08:42:27,167 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:42:27,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:27,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:42:27,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-06-05 08:42:27,168 INFO L87 Difference]: Start difference. First operand 54067 states and 159858 transitions. Second operand has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:28,785 INFO L93 Difference]: Finished difference Result 87445 states and 258807 transitions. [2021-06-05 08:42:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 08:42:28,785 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-06-05 08:42:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:28,925 INFO L225 Difference]: With dead ends: 87445 [2021-06-05 08:42:28,925 INFO L226 Difference]: Without dead ends: 87445 [2021-06-05 08:42:28,926 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 372.8ms TimeCoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:42:29,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87445 states. [2021-06-05 08:42:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87445 to 74825. [2021-06-05 08:42:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74825 states, 74822 states have (on average 2.9656785437438185) internal successors, (221898), 74824 states have internal predecessors, (221898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74825 states to 74825 states and 221898 transitions. [2021-06-05 08:42:30,544 INFO L78 Accepts]: Start accepts. Automaton has 74825 states and 221898 transitions. Word has length 79 [2021-06-05 08:42:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:30,544 INFO L482 AbstractCegarLoop]: Abstraction has 74825 states and 221898 transitions. [2021-06-05 08:42:30,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 18 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 74825 states and 221898 transitions. [2021-06-05 08:42:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 08:42:30,572 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:30,573 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:30,573 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-05 08:42:30,573 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:30,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:30,573 INFO L82 PathProgramCache]: Analyzing trace with hash 225424561, now seen corresponding path program 1 times [2021-06-05 08:42:30,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:30,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282977617] [2021-06-05 08:42:30,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:30,720 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:30,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282977617] [2021-06-05 08:42:30,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282977617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:30,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973348791] [2021-06-05 08:42:30,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:30,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-05 08:42:30,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:42:30,975 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:42:30,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:42:30,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:30,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:30,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:42:30,991 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:31,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:31,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:31,002 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:36 [2021-06-05 08:42:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:31,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973348791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:31,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:42:31,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-05 08:42:31,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650546259] [2021-06-05 08:42:31,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-05 08:42:31,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:31,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-05 08:42:31,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=609, Unknown=0, NotChecked=0, Total=702 [2021-06-05 08:42:31,161 INFO L87 Difference]: Start difference. First operand 74825 states and 221898 transitions. Second operand has 27 states, 26 states have (on average 4.5) internal successors, (117), 27 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:33,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:33,423 INFO L93 Difference]: Finished difference Result 110263 states and 327369 transitions. [2021-06-05 08:42:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 08:42:33,423 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.5) internal successors, (117), 27 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 08:42:33,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:33,601 INFO L225 Difference]: With dead ends: 110263 [2021-06-05 08:42:33,601 INFO L226 Difference]: Without dead ends: 110263 [2021-06-05 08:42:33,602 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 626.7ms TimeCoverageRelationStatistics Valid=348, Invalid=1814, Unknown=0, NotChecked=0, Total=2162 [2021-06-05 08:42:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110263 states. [2021-06-05 08:42:35,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110263 to 73115. [2021-06-05 08:42:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73115 states, 73112 states have (on average 2.9705109968267864) internal successors, (217180), 73114 states have internal predecessors, (217180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73115 states to 73115 states and 217180 transitions. [2021-06-05 08:42:35,563 INFO L78 Accepts]: Start accepts. Automaton has 73115 states and 217180 transitions. Word has length 85 [2021-06-05 08:42:35,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:35,563 INFO L482 AbstractCegarLoop]: Abstraction has 73115 states and 217180 transitions. [2021-06-05 08:42:35,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 26 states have (on average 4.5) internal successors, (117), 27 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 73115 states and 217180 transitions. [2021-06-05 08:42:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 08:42:35,582 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:35,582 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:35,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-05 08:42:35,792 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:35,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:35,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1042411207, now seen corresponding path program 2 times [2021-06-05 08:42:35,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:35,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101732837] [2021-06-05 08:42:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:36,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:36,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101732837] [2021-06-05 08:42:36,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101732837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:36,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693550972] [2021-06-05 08:42:36,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:36,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:42:36,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:42:36,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-05 08:42:36,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:42:36,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:42:36,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,200 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:42:36,220 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:42:36,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:42:36,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:42:36,228 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2021-06-05 08:42:36,294 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-05 08:42:36,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-06-05 08:42:36,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:42:36,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:34 [2021-06-05 08:42:36,511 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 08:42:36,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-06-05 08:42:36,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:22 [2021-06-05 08:42:36,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:42:36,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:42:36,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:36,725 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:60 [2021-06-05 08:42:36,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:42:36,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-06-05 08:42:36,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:36,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:36,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:36,816 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:82, output treesize:44 [2021-06-05 08:42:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:37,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693550972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:37,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:42:37,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 35 [2021-06-05 08:42:37,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069703200] [2021-06-05 08:42:37,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 08:42:37,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:37,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 08:42:37,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1137, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 08:42:37,099 INFO L87 Difference]: Start difference. First operand 73115 states and 217180 transitions. Second operand has 36 states, 35 states have (on average 4.314285714285714) internal successors, (151), 36 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:37,300 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-06-05 08:42:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:42,450 INFO L93 Difference]: Finished difference Result 123577 states and 362798 transitions. [2021-06-05 08:42:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-05 08:42:42,461 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 4.314285714285714) internal successors, (151), 36 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 08:42:42,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:42,656 INFO L225 Difference]: With dead ends: 123577 [2021-06-05 08:42:42,656 INFO L226 Difference]: Without dead ends: 123577 [2021-06-05 08:42:42,658 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2533 ImplicationChecksByTransitivity, 2944.5ms TimeCoverageRelationStatistics Valid=1112, Invalid=7078, Unknown=0, NotChecked=0, Total=8190 [2021-06-05 08:42:43,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123577 states. [2021-06-05 08:42:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123577 to 75330. [2021-06-05 08:42:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75330 states, 75327 states have (on average 2.9755864431080488) internal successors, (224142), 75329 states have internal predecessors, (224142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75330 states to 75330 states and 224142 transitions. [2021-06-05 08:42:44,636 INFO L78 Accepts]: Start accepts. Automaton has 75330 states and 224142 transitions. Word has length 85 [2021-06-05 08:42:44,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:44,637 INFO L482 AbstractCegarLoop]: Abstraction has 75330 states and 224142 transitions. [2021-06-05 08:42:44,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 35 states have (on average 4.314285714285714) internal successors, (151), 36 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 75330 states and 224142 transitions. [2021-06-05 08:42:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-06-05 08:42:44,656 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:44,656 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:44,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-05 08:42:44,874 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:44,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:44,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2001304933, now seen corresponding path program 3 times [2021-06-05 08:42:44,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:44,875 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446808562] [2021-06-05 08:42:44,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:45,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:45,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446808562] [2021-06-05 08:42:45,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446808562] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:45,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314089934] [2021-06-05 08:42:45,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:45,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-06-05 08:42:45,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:42:45,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-05 08:42:45,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:42:45,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:42:45,197 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:45,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:42:45,230 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:42:45,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:42:45,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:45,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:42:45,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2021-06-05 08:42:45,294 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:42:45,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:42:45,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:45,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,302 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:11 [2021-06-05 08:42:45,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:42:45,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:45,520 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:42:45,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:42:45,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:45,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:42:45,535 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:42:45,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:42:45,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:42:45,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:42:45,740 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2021-06-05 08:42:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:42:45,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314089934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:42:45,790 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:42:45,790 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2021-06-05 08:42:45,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495617262] [2021-06-05 08:42:45,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 08:42:45,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:45,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 08:42:45,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1089, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:42:45,791 INFO L87 Difference]: Start difference. First operand 75330 states and 224142 transitions. Second operand has 35 states, 34 states have (on average 4.5) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:50,235 INFO L93 Difference]: Finished difference Result 109136 states and 321777 transitions. [2021-06-05 08:42:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 08:42:50,235 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.5) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-06-05 08:42:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:50,419 INFO L225 Difference]: With dead ends: 109136 [2021-06-05 08:42:50,420 INFO L226 Difference]: Without dead ends: 109136 [2021-06-05 08:42:50,420 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1748.4ms TimeCoverageRelationStatistics Valid=695, Invalid=4417, Unknown=0, NotChecked=0, Total=5112 [2021-06-05 08:42:50,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109136 states. [2021-06-05 08:42:51,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109136 to 75480. [2021-06-05 08:42:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75480 states, 75477 states have (on average 2.976032433721531) internal successors, (224622), 75479 states have internal predecessors, (224622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75480 states to 75480 states and 224622 transitions. [2021-06-05 08:42:52,246 INFO L78 Accepts]: Start accepts. Automaton has 75480 states and 224622 transitions. Word has length 85 [2021-06-05 08:42:52,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:52,247 INFO L482 AbstractCegarLoop]: Abstraction has 75480 states and 224622 transitions. [2021-06-05 08:42:52,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 4.5) internal successors, (153), 35 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 75480 states and 224622 transitions. [2021-06-05 08:42:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-06-05 08:42:52,269 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:52,270 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:52,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:42:52,485 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:52,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:52,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1907569031, now seen corresponding path program 1 times [2021-06-05 08:42:52,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:52,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751486618] [2021-06-05 08:42:52,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:52,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:42:52,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:52,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751486618] [2021-06-05 08:42:52,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751486618] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:52,671 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:52,671 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-05 08:42:52,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200919147] [2021-06-05 08:42:52,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:42:52,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:42:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2021-06-05 08:42:52,672 INFO L87 Difference]: Start difference. First operand 75480 states and 224622 transitions. Second operand has 18 states, 17 states have (on average 4.823529411764706) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:54,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:54,413 INFO L93 Difference]: Finished difference Result 117174 states and 349140 transitions. [2021-06-05 08:42:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 08:42:54,413 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.823529411764706) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-06-05 08:42:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:54,608 INFO L225 Difference]: With dead ends: 117174 [2021-06-05 08:42:54,608 INFO L226 Difference]: Without dead ends: 117174 [2021-06-05 08:42:54,608 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 372.1ms TimeCoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:42:55,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117174 states. [2021-06-05 08:42:56,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117174 to 99392. [2021-06-05 08:42:56,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99392 states, 99389 states have (on average 2.9899083399571382) internal successors, (297164), 99391 states have internal predecessors, (297164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99392 states to 99392 states and 297164 transitions. [2021-06-05 08:42:56,858 INFO L78 Accepts]: Start accepts. Automaton has 99392 states and 297164 transitions. Word has length 86 [2021-06-05 08:42:56,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:42:56,859 INFO L482 AbstractCegarLoop]: Abstraction has 99392 states and 297164 transitions. [2021-06-05 08:42:56,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 4.823529411764706) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 99392 states and 297164 transitions. [2021-06-05 08:42:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-06-05 08:42:56,882 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:42:56,883 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:42:56,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-05 08:42:56,883 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:42:56,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:42:56,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1421763496, now seen corresponding path program 1 times [2021-06-05 08:42:56,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:42:56,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949991826] [2021-06-05 08:42:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:42:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:42:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:42:57,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:42:57,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949991826] [2021-06-05 08:42:57,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949991826] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:42:57,039 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:42:57,039 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-06-05 08:42:57,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751413091] [2021-06-05 08:42:57,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 08:42:57,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:42:57,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 08:42:57,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-05 08:42:57,040 INFO L87 Difference]: Start difference. First operand 99392 states and 297164 transitions. Second operand has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:42:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:42:58,847 INFO L93 Difference]: Finished difference Result 137078 states and 408756 transitions. [2021-06-05 08:42:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 08:42:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-06-05 08:42:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:42:59,089 INFO L225 Difference]: With dead ends: 137078 [2021-06-05 08:42:59,089 INFO L226 Difference]: Without dead ends: 137078 [2021-06-05 08:42:59,089 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 283.1ms TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2021-06-05 08:42:59,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137078 states. [2021-06-05 08:43:01,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137078 to 97034. [2021-06-05 08:43:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97034 states, 97031 states have (on average 2.9938988570662985) internal successors, (290501), 97033 states have internal predecessors, (290501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97034 states to 97034 states and 290501 transitions. [2021-06-05 08:43:01,368 INFO L78 Accepts]: Start accepts. Automaton has 97034 states and 290501 transitions. Word has length 88 [2021-06-05 08:43:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:01,368 INFO L482 AbstractCegarLoop]: Abstraction has 97034 states and 290501 transitions. [2021-06-05 08:43:01,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 97034 states and 290501 transitions. [2021-06-05 08:43:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:43:01,393 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:01,393 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:01,393 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-05 08:43:01,393 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:01,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:01,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1276691210, now seen corresponding path program 1 times [2021-06-05 08:43:01,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:01,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177321612] [2021-06-05 08:43:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:43:01,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:01,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177321612] [2021-06-05 08:43:01,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177321612] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:01,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083000932] [2021-06-05 08:43:01,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:43:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:01,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-05 08:43:01,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:43:01,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:43:01,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:01,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:43:01,657 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:43:01,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:43:01,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:01,661 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,662 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2021-06-05 08:43:01,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:43:01,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:01,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2021-06-05 08:43:01,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:43:01,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:01,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:01,724 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:11 [2021-06-05 08:43:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:43:01,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083000932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:01,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:43:01,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2021-06-05 08:43:01,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546823846] [2021-06-05 08:43:01,790 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-05 08:43:01,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:01,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-05 08:43:01,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-06-05 08:43:01,790 INFO L87 Difference]: Start difference. First operand 97034 states and 290501 transitions. Second operand has 17 states, 17 states have (on average 9.117647058823529) internal successors, (155), 17 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:43:03,632 INFO L93 Difference]: Finished difference Result 173880 states and 519639 transitions. [2021-06-05 08:43:03,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 08:43:03,632 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.117647058823529) internal successors, (155), 17 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:43:03,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:43:04,286 INFO L225 Difference]: With dead ends: 173880 [2021-06-05 08:43:04,286 INFO L226 Difference]: Without dead ends: 173880 [2021-06-05 08:43:04,286 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 358.1ms TimeCoverageRelationStatistics Valid=266, Invalid=1294, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 08:43:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173880 states. [2021-06-05 08:43:06,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173880 to 103178. [2021-06-05 08:43:06,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103178 states, 103175 states have (on average 2.9901041919069544) internal successors, (308504), 103177 states have internal predecessors, (308504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103178 states to 103178 states and 308504 transitions. [2021-06-05 08:43:07,103 INFO L78 Accepts]: Start accepts. Automaton has 103178 states and 308504 transitions. Word has length 91 [2021-06-05 08:43:07,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:07,103 INFO L482 AbstractCegarLoop]: Abstraction has 103178 states and 308504 transitions. [2021-06-05 08:43:07,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 9.117647058823529) internal successors, (155), 17 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 103178 states and 308504 transitions. [2021-06-05 08:43:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:43:07,127 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:07,127 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:07,327 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-05 08:43:07,328 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:07,328 INFO L82 PathProgramCache]: Analyzing trace with hash 494675198, now seen corresponding path program 1 times [2021-06-05 08:43:07,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:07,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729920898] [2021-06-05 08:43:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:43:07,346 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:07,346 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729920898] [2021-06-05 08:43:07,346 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729920898] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:43:07,346 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:43:07,346 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:43:07,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213060727] [2021-06-05 08:43:07,346 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:43:07,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:07,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:43:07,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:43:07,347 INFO L87 Difference]: Start difference. First operand 103178 states and 308504 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:07,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:43:07,717 INFO L93 Difference]: Finished difference Result 103140 states and 307561 transitions. [2021-06-05 08:43:07,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 08:43:07,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:43:07,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:43:07,893 INFO L225 Difference]: With dead ends: 103140 [2021-06-05 08:43:07,893 INFO L226 Difference]: Without dead ends: 103140 [2021-06-05 08:43:07,893 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:43:08,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103140 states. [2021-06-05 08:43:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103140 to 103140. [2021-06-05 08:43:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103140 states, 103137 states have (on average 2.982062693310839) internal successors, (307561), 103139 states have internal predecessors, (307561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103140 states to 103140 states and 307561 transitions. [2021-06-05 08:43:10,337 INFO L78 Accepts]: Start accepts. Automaton has 103140 states and 307561 transitions. Word has length 91 [2021-06-05 08:43:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:10,337 INFO L482 AbstractCegarLoop]: Abstraction has 103140 states and 307561 transitions. [2021-06-05 08:43:10,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 103140 states and 307561 transitions. [2021-06-05 08:43:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:43:10,365 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:10,365 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:10,365 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-05 08:43:10,365 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:10,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1530101324, now seen corresponding path program 2 times [2021-06-05 08:43:10,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:10,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414617000] [2021-06-05 08:43:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:43:10,493 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:10,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414617000] [2021-06-05 08:43:10,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414617000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:10,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73514520] [2021-06-05 08:43:10,493 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:43:10,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 08:43:10,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:43:10,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-05 08:43:10,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:43:10,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:43:10,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:10,653 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,653 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-06-05 08:43:10,680 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:43:10,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:43:10,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:10,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2021-06-05 08:43:10,737 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:43:10,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:43:10,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:10,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,744 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:16 [2021-06-05 08:43:10,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:43:10,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:10,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,781 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2021-06-05 08:43:10,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:43:10,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:10,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:34, output treesize:15 [2021-06-05 08:43:10,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:43:10,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:10,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:10,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:43:10,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:22 [2021-06-05 08:43:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 08:43:10,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73514520] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:10,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:43:10,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8] total 21 [2021-06-05 08:43:10,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793321106] [2021-06-05 08:43:10,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-05 08:43:10,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:10,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-05 08:43:10,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-06-05 08:43:10,935 INFO L87 Difference]: Start difference. First operand 103140 states and 307561 transitions. Second operand has 21 states, 21 states have (on average 7.380952380952381) internal successors, (155), 21 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:43:13,148 INFO L93 Difference]: Finished difference Result 175586 states and 521667 transitions. [2021-06-05 08:43:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 08:43:13,148 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.380952380952381) internal successors, (155), 21 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:43:13,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:43:13,710 INFO L225 Difference]: With dead ends: 175586 [2021-06-05 08:43:13,710 INFO L226 Difference]: Without dead ends: 175586 [2021-06-05 08:43:13,711 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 627.8ms TimeCoverageRelationStatistics Valid=364, Invalid=1988, Unknown=0, NotChecked=0, Total=2352 [2021-06-05 08:43:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175586 states. [2021-06-05 08:43:15,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175586 to 103984. [2021-06-05 08:43:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103984 states, 103981 states have (on average 2.9807753339552416) internal successors, (309944), 103983 states have internal predecessors, (309944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103984 states to 103984 states and 309944 transitions. [2021-06-05 08:43:16,417 INFO L78 Accepts]: Start accepts. Automaton has 103984 states and 309944 transitions. Word has length 91 [2021-06-05 08:43:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:16,417 INFO L482 AbstractCegarLoop]: Abstraction has 103984 states and 309944 transitions. [2021-06-05 08:43:16,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 7.380952380952381) internal successors, (155), 21 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 103984 states and 309944 transitions. [2021-06-05 08:43:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-06-05 08:43:16,438 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:16,438 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:16,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-06-05 08:43:16,649 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:16,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash -669361198, now seen corresponding path program 2 times [2021-06-05 08:43:16,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:16,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772357319] [2021-06-05 08:43:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:43:16,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:16,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772357319] [2021-06-05 08:43:16,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772357319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:43:16,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:43:16,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:43:16,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428607728] [2021-06-05 08:43:16,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:43:16,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:16,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:43:16,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:43:16,667 INFO L87 Difference]: Start difference. First operand 103984 states and 309944 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:43:16,988 INFO L93 Difference]: Finished difference Result 100688 states and 299496 transitions. [2021-06-05 08:43:16,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 08:43:16,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-06-05 08:43:16,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:43:17,161 INFO L225 Difference]: With dead ends: 100688 [2021-06-05 08:43:17,161 INFO L226 Difference]: Without dead ends: 100688 [2021-06-05 08:43:17,161 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-05 08:43:17,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100688 states. [2021-06-05 08:43:19,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100688 to 100688. [2021-06-05 08:43:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100688 states, 100685 states have (on average 2.9745840989223815) internal successors, (299496), 100687 states have internal predecessors, (299496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100688 states to 100688 states and 299496 transitions. [2021-06-05 08:43:19,406 INFO L78 Accepts]: Start accepts. Automaton has 100688 states and 299496 transitions. Word has length 91 [2021-06-05 08:43:19,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:19,406 INFO L482 AbstractCegarLoop]: Abstraction has 100688 states and 299496 transitions. [2021-06-05 08:43:19,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 100688 states and 299496 transitions. [2021-06-05 08:43:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-06-05 08:43:19,426 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:19,426 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:19,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-05 08:43:19,426 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:19,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2131828925, now seen corresponding path program 2 times [2021-06-05 08:43:19,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:19,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030239164] [2021-06-05 08:43:19,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-05 08:43:19,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:19,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030239164] [2021-06-05 08:43:19,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030239164] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:19,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279854753] [2021-06-05 08:43:19,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:43:19,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:43:19,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:43:19,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-05 08:43:19,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:43:19,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:43:19,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:19,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:19,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:19,723 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:43:19,761 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:43:19,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:43:19,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:19,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:19,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:43:19,771 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2021-06-05 08:43:19,829 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:43:19,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:43:19,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:19,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:19,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:19,839 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:11 [2021-06-05 08:43:20,046 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:43:20,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:43:20,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:20,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:20,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:43:20,063 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:20,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:20,076 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:43:20,076 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:43:20,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:43:20,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:20,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:20,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:20,200 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:26, output treesize:11 [2021-06-05 08:43:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-05 08:43:20,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279854753] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:20,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:43:20,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2021-06-05 08:43:20,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526057521] [2021-06-05 08:43:20,306 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 08:43:20,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:20,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 08:43:20,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1086, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:43:20,306 INFO L87 Difference]: Start difference. First operand 100688 states and 299496 transitions. Second operand has 35 states, 34 states have (on average 4.5588235294117645) internal successors, (155), 35 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:24,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:43:24,980 INFO L93 Difference]: Finished difference Result 142244 states and 419362 transitions. [2021-06-05 08:43:24,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-05 08:43:24,980 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.5588235294117645) internal successors, (155), 35 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-06-05 08:43:24,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:43:25,210 INFO L225 Difference]: With dead ends: 142244 [2021-06-05 08:43:25,210 INFO L226 Difference]: Without dead ends: 142244 [2021-06-05 08:43:25,210 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1394 ImplicationChecksByTransitivity, 1710.9ms TimeCoverageRelationStatistics Valid=749, Invalid=4507, Unknown=0, NotChecked=0, Total=5256 [2021-06-05 08:43:25,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142244 states. [2021-06-05 08:43:27,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142244 to 101010. [2021-06-05 08:43:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101010 states, 101007 states have (on average 2.978189630421654) internal successors, (300818), 101009 states have internal predecessors, (300818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101010 states to 101010 states and 300818 transitions. [2021-06-05 08:43:27,469 INFO L78 Accepts]: Start accepts. Automaton has 101010 states and 300818 transitions. Word has length 92 [2021-06-05 08:43:27,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:27,470 INFO L482 AbstractCegarLoop]: Abstraction has 101010 states and 300818 transitions. [2021-06-05 08:43:27,470 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 4.5588235294117645) internal successors, (155), 35 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 101010 states and 300818 transitions. [2021-06-05 08:43:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-06-05 08:43:27,491 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:27,491 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:27,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-05 08:43:27,691 INFO L430 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:27,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:27,692 INFO L82 PathProgramCache]: Analyzing trace with hash -905248292, now seen corresponding path program 1 times [2021-06-05 08:43:27,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:27,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671640562] [2021-06-05 08:43:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:43:27,883 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:27,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671640562] [2021-06-05 08:43:27,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671640562] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:43:27,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:43:27,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 08:43:27,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138509100] [2021-06-05 08:43:27,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 08:43:27,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:27,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 08:43:27,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-06-05 08:43:27,884 INFO L87 Difference]: Start difference. First operand 101010 states and 300818 transitions. Second operand has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:32,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:43:32,970 INFO L93 Difference]: Finished difference Result 281248 states and 833860 transitions. [2021-06-05 08:43:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-06-05 08:43:32,971 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-06-05 08:43:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:43:33,883 INFO L225 Difference]: With dead ends: 281248 [2021-06-05 08:43:33,883 INFO L226 Difference]: Without dead ends: 281248 [2021-06-05 08:43:33,884 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4230 ImplicationChecksByTransitivity, 1818.2ms TimeCoverageRelationStatistics Valid=1550, Invalid=10222, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 08:43:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281248 states. [2021-06-05 08:43:37,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281248 to 169692. [2021-06-05 08:43:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169692 states, 169689 states have (on average 2.991313520617129) internal successors, (507593), 169691 states have internal predecessors, (507593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169692 states to 169692 states and 507593 transitions. [2021-06-05 08:43:38,302 INFO L78 Accepts]: Start accepts. Automaton has 169692 states and 507593 transitions. Word has length 93 [2021-06-05 08:43:38,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:43:38,302 INFO L482 AbstractCegarLoop]: Abstraction has 169692 states and 507593 transitions. [2021-06-05 08:43:38,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 169692 states and 507593 transitions. [2021-06-05 08:43:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-06-05 08:43:38,326 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:43:38,326 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:43:38,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-06-05 08:43:38,326 INFO L430 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:43:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:43:38,327 INFO L82 PathProgramCache]: Analyzing trace with hash 455573300, now seen corresponding path program 2 times [2021-06-05 08:43:38,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:43:38,327 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29098548] [2021-06-05 08:43:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:43:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:43:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:43:38,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:43:38,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29098548] [2021-06-05 08:43:38,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29098548] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:38,558 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184617277] [2021-06-05 08:43:38,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:43:38,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:43:38,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:43:38,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-05 08:43:38,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:43:38,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:43:38,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:38,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:38,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:38,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:43:38,709 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:43:38,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:43:38,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:38,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:38,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:43:38,714 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:43:38,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:43:38,889 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:38,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:38,911 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:43:38,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:43:38,912 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:38,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:38,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:43:38,925 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:43:39,043 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-06-05 08:43:39,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:43:39,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:39,060 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-06-05 08:43:39,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-06-05 08:43:39,061 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:39,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:39,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:43:39,086 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:74, output treesize:66 [2021-06-05 08:43:39,397 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:43:39,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2021-06-05 08:43:39,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:39,423 INFO L354 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2021-06-05 08:43:39,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 53 [2021-06-05 08:43:39,425 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:39,883 INFO L354 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2021-06-05 08:43:39,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:43:39,885 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:43:39,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:43:39,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 3 xjuncts. [2021-06-05 08:43:39,950 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:113, output treesize:91 [2021-06-05 08:43:42,397 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-05 08:43:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:43:42,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184617277] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:43:42,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:43:42,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2021-06-05 08:43:42,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664682921] [2021-06-05 08:43:42,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 08:43:42,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:43:42,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 08:43:42,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1093, Unknown=1, NotChecked=0, Total=1190 [2021-06-05 08:43:42,629 INFO L87 Difference]: Start difference. First operand 169692 states and 507593 transitions. Second operand has 35 states, 34 states have (on average 4.970588235294118) internal successors, (169), 35 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:43:57,865 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2021-06-05 08:44:02,977 WARN L205 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-06-05 08:44:10,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:44:10,915 INFO L93 Difference]: Finished difference Result 219756 states and 653330 transitions. [2021-06-05 08:44:10,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-05 08:44:10,915 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.970588235294118) internal successors, (169), 35 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-06-05 08:44:10,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:44:11,327 INFO L225 Difference]: With dead ends: 219756 [2021-06-05 08:44:11,327 INFO L226 Difference]: Without dead ends: 219756 [2021-06-05 08:44:11,327 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1937 ImplicationChecksByTransitivity, 11745.3ms TimeCoverageRelationStatistics Valid=883, Invalid=6256, Unknown=1, NotChecked=0, Total=7140 [2021-06-05 08:44:12,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219756 states. [2021-06-05 08:44:14,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219756 to 167202. [2021-06-05 08:44:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167202 states, 167199 states have (on average 2.990538220922374) internal successors, (500015), 167201 states have internal predecessors, (500015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:15,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167202 states to 167202 states and 500015 transitions. [2021-06-05 08:44:15,514 INFO L78 Accepts]: Start accepts. Automaton has 167202 states and 500015 transitions. Word has length 93 [2021-06-05 08:44:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:44:15,515 INFO L482 AbstractCegarLoop]: Abstraction has 167202 states and 500015 transitions. [2021-06-05 08:44:15,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 4.970588235294118) internal successors, (169), 35 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 167202 states and 500015 transitions. [2021-06-05 08:44:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-06-05 08:44:15,537 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:44:15,538 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:44:15,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:44:15,756 INFO L430 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:44:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:44:15,757 INFO L82 PathProgramCache]: Analyzing trace with hash 255371198, now seen corresponding path program 3 times [2021-06-05 08:44:15,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:44:15,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879211063] [2021-06-05 08:44:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:44:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:44:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:44:16,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:44:16,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879211063] [2021-06-05 08:44:16,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879211063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:44:16,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136928071] [2021-06-05 08:44:16,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:44:16,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-06-05 08:44:16,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:44:16,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-05 08:44:16,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:44:16,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:44:16,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:16,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:16,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:16,434 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:44:16,465 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:44:16,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:44:16,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:16,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:16,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:16,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2021-06-05 08:44:16,933 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:44:16,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:44:16,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:16,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:16,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:16,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:19 [2021-06-05 08:44:17,225 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:44:17,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:44:17,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:17,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:17,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:44:17,234 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:30 [2021-06-05 08:44:17,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:44:17,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:17,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:17,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:17,359 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:37, output treesize:18 [2021-06-05 08:44:17,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:44:17,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:17,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:17,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:44:17,442 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2021-06-05 08:44:17,511 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:44:17,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:44:17,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:17,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:17,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:44:17,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:25 [2021-06-05 08:44:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:44:17,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136928071] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:44:17,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:44:17,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-06-05 08:44:17,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906535495] [2021-06-05 08:44:17,562 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-05 08:44:17,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:44:17,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-05 08:44:17,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1225, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 08:44:17,563 INFO L87 Difference]: Start difference. First operand 167202 states and 500015 transitions. Second operand has 37 states, 36 states have (on average 4.694444444444445) internal successors, (169), 37 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:44:21,845 INFO L93 Difference]: Finished difference Result 215502 states and 642634 transitions. [2021-06-05 08:44:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-05 08:44:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 4.694444444444445) internal successors, (169), 37 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-06-05 08:44:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:44:22,322 INFO L225 Difference]: With dead ends: 215502 [2021-06-05 08:44:22,322 INFO L226 Difference]: Without dead ends: 215502 [2021-06-05 08:44:22,323 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 1881.3ms TimeCoverageRelationStatistics Valid=477, Invalid=3555, Unknown=0, NotChecked=0, Total=4032 [2021-06-05 08:44:23,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215502 states. [2021-06-05 08:44:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215502 to 164349. [2021-06-05 08:44:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164349 states, 164346 states have (on average 2.9884755333260316) internal successors, (491144), 164348 states have internal predecessors, (491144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164349 states to 164349 states and 491144 transitions. [2021-06-05 08:44:25,960 INFO L78 Accepts]: Start accepts. Automaton has 164349 states and 491144 transitions. Word has length 93 [2021-06-05 08:44:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:44:25,960 INFO L482 AbstractCegarLoop]: Abstraction has 164349 states and 491144 transitions. [2021-06-05 08:44:25,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 36 states have (on average 4.694444444444445) internal successors, (169), 37 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 164349 states and 491144 transitions. [2021-06-05 08:44:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-06-05 08:44:25,981 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:44:25,981 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:44:26,182 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-06-05 08:44:26,196 INFO L430 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:44:26,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:44:26,197 INFO L82 PathProgramCache]: Analyzing trace with hash 44476090, now seen corresponding path program 1 times [2021-06-05 08:44:26,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:44:26,197 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107359745] [2021-06-05 08:44:26,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:44:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:44:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:44:26,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:44:26,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107359745] [2021-06-05 08:44:26,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107359745] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:44:26,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:44:26,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-06-05 08:44:26,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955665917] [2021-06-05 08:44:26,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 08:44:26,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:44:26,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 08:44:26,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-06-05 08:44:26,981 INFO L87 Difference]: Start difference. First operand 164349 states and 491144 transitions. Second operand has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:32,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:44:32,762 INFO L93 Difference]: Finished difference Result 374887 states and 1115256 transitions. [2021-06-05 08:44:32,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-06-05 08:44:32,762 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-06-05 08:44:32,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:44:33,494 INFO L225 Difference]: With dead ends: 374887 [2021-06-05 08:44:33,494 INFO L226 Difference]: Without dead ends: 374887 [2021-06-05 08:44:33,495 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4227 ImplicationChecksByTransitivity, 2155.1ms TimeCoverageRelationStatistics Valid=1550, Invalid=10222, Unknown=0, NotChecked=0, Total=11772 [2021-06-05 08:44:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374887 states. [2021-06-05 08:44:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374887 to 241209. [2021-06-05 08:44:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241209 states, 241206 states have (on average 3.000103645846289) internal successors, (723643), 241208 states have internal predecessors, (723643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241209 states to 241209 states and 723643 transitions. [2021-06-05 08:44:40,117 INFO L78 Accepts]: Start accepts. Automaton has 241209 states and 723643 transitions. Word has length 93 [2021-06-05 08:44:40,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:44:40,118 INFO L482 AbstractCegarLoop]: Abstraction has 241209 states and 723643 transitions. [2021-06-05 08:44:40,118 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 241209 states and 723643 transitions. [2021-06-05 08:44:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-06-05 08:44:40,138 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:44:40,139 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:44:40,139 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-06-05 08:44:40,139 INFO L430 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:44:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:44:40,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1281532814, now seen corresponding path program 2 times [2021-06-05 08:44:40,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:44:40,139 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420809334] [2021-06-05 08:44:40,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:44:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:44:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-05 08:44:40,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:44:40,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420809334] [2021-06-05 08:44:40,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420809334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:44:40,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353374897] [2021-06-05 08:44:40,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:44:40,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:44:40,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:44:40,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-05 08:44:40,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:44:40,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:44:40,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:40,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:40,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:40,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:44:40,570 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:44:40,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:44:40,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:40,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:40,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:44:40,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:21 [2021-06-05 08:44:40,643 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-05 08:44:40,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-06-05 08:44:40,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:40,653 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:40,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:44:40,654 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:34 [2021-06-05 08:44:40,893 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 08:44:40,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-06-05 08:44:40,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:40,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:40,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:40,906 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:22 [2021-06-05 08:44:41,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:44:41,057 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:41,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:41,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:44:41,081 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:41,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:41,101 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:44:41,101 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:60 [2021-06-05 08:44:41,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:44:41,222 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:41,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:44:41,227 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:41,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:41,606 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-05 08:44:41,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-05 08:44:41,609 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:90, output treesize:48 [2021-06-05 08:44:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-05 08:44:41,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353374897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:44:41,871 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:44:41,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2021-06-05 08:44:41,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102313027] [2021-06-05 08:44:41,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-05 08:44:41,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:44:41,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-05 08:44:41,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1082, Unknown=0, NotChecked=0, Total=1190 [2021-06-05 08:44:41,872 INFO L87 Difference]: Start difference. First operand 241209 states and 723643 transitions. Second operand has 35 states, 34 states have (on average 4.676470588235294) internal successors, (159), 35 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:43,162 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2021-06-05 08:44:43,299 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-06-05 08:44:44,378 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2021-06-05 08:44:48,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:44:48,037 INFO L93 Difference]: Finished difference Result 333943 states and 992447 transitions. [2021-06-05 08:44:48,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-05 08:44:48,038 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 4.676470588235294) internal successors, (159), 35 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-06-05 08:44:48,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:44:48,712 INFO L225 Difference]: With dead ends: 333943 [2021-06-05 08:44:48,712 INFO L226 Difference]: Without dead ends: 333943 [2021-06-05 08:44:48,713 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1569 ImplicationChecksByTransitivity, 2942.7ms TimeCoverageRelationStatistics Valid=777, Invalid=5385, Unknown=0, NotChecked=0, Total=6162 [2021-06-05 08:44:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333943 states. [2021-06-05 08:44:53,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333943 to 237323. [2021-06-05 08:44:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237323 states, 237320 states have (on average 2.9985125568852182) internal successors, (711607), 237322 states have internal predecessors, (711607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237323 states to 237323 states and 711607 transitions. [2021-06-05 08:44:54,610 INFO L78 Accepts]: Start accepts. Automaton has 237323 states and 711607 transitions. Word has length 94 [2021-06-05 08:44:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:44:54,610 INFO L482 AbstractCegarLoop]: Abstraction has 237323 states and 711607 transitions. [2021-06-05 08:44:54,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 4.676470588235294) internal successors, (159), 35 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 237323 states and 711607 transitions. [2021-06-05 08:44:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-06-05 08:44:54,644 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:44:54,644 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:44:54,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:44:54,845 INFO L430 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:44:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:44:54,845 INFO L82 PathProgramCache]: Analyzing trace with hash -368091268, now seen corresponding path program 2 times [2021-06-05 08:44:54,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:44:54,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924230968] [2021-06-05 08:44:54,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:44:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:44:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-05 08:44:55,773 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:44:55,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924230968] [2021-06-05 08:44:55,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924230968] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:44:55,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089044019] [2021-06-05 08:44:55,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:44:55,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:44:55,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:44:55,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 55 conjunts are in the unsatisfiable core [2021-06-05 08:44:55,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:44:55,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:44:55,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:55,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:55,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:55,912 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:44:55,940 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:44:55,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:44:55,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:55,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:55,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:44:55,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:44:56,163 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:44:56,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:44:56,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:56,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:56,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:44:56,181 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:56,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:56,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:44:56,195 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:44:56,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:44:56,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:44:56,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:44:56,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:44:56,363 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:25 [2021-06-05 08:44:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-05 08:44:56,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089044019] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:44:56,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:44:56,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 35 [2021-06-05 08:44:56,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971646059] [2021-06-05 08:44:56,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-05 08:44:56,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:44:56,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-05 08:44:56,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1159, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 08:44:56,491 INFO L87 Difference]: Start difference. First operand 237323 states and 711607 transitions. Second operand has 36 states, 35 states have (on average 4.828571428571428) internal successors, (169), 36 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:44:58,251 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-06-05 08:45:07,365 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-06-05 08:45:08,586 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-06-05 08:45:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:45:14,145 INFO L93 Difference]: Finished difference Result 433225 states and 1282304 transitions. [2021-06-05 08:45:14,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2021-06-05 08:45:14,146 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 4.828571428571428) internal successors, (169), 36 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-06-05 08:45:14,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:45:15,265 INFO L225 Difference]: With dead ends: 433225 [2021-06-05 08:45:15,270 INFO L226 Difference]: Without dead ends: 433225 [2021-06-05 08:45:15,272 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19548 ImplicationChecksByTransitivity, 9466.0ms TimeCoverageRelationStatistics Valid=5013, Invalid=43607, Unknown=0, NotChecked=0, Total=48620 [2021-06-05 08:45:16,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433225 states. [2021-06-05 08:45:21,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433225 to 235779. [2021-06-05 08:45:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235779 states, 235776 states have (on average 2.999079634907709) internal successors, (707111), 235778 states have internal predecessors, (707111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235779 states to 235779 states and 707111 transitions. [2021-06-05 08:45:22,806 INFO L78 Accepts]: Start accepts. Automaton has 235779 states and 707111 transitions. Word has length 99 [2021-06-05 08:45:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:45:22,807 INFO L482 AbstractCegarLoop]: Abstraction has 235779 states and 707111 transitions. [2021-06-05 08:45:22,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 35 states have (on average 4.828571428571428) internal successors, (169), 36 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 235779 states and 707111 transitions. [2021-06-05 08:45:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-06-05 08:45:22,841 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:45:22,841 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:45:23,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:45:23,042 INFO L430 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:45:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:45:23,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1779705010, now seen corresponding path program 1 times [2021-06-05 08:45:23,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:45:23,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214321051] [2021-06-05 08:45:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:45:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:45:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:45:23,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:45:23,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214321051] [2021-06-05 08:45:23,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214321051] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:45:23,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:45:23,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 08:45:23,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898928902] [2021-06-05 08:45:23,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-05 08:45:23,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:45:23,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-05 08:45:23,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:45:23,116 INFO L87 Difference]: Start difference. First operand 235779 states and 707111 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:24,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:45:24,345 INFO L93 Difference]: Finished difference Result 190423 states and 570071 transitions. [2021-06-05 08:45:24,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-05 08:45:24,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-06-05 08:45:24,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:45:24,755 INFO L225 Difference]: With dead ends: 190423 [2021-06-05 08:45:24,756 INFO L226 Difference]: Without dead ends: 190423 [2021-06-05 08:45:24,756 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-05 08:45:25,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190423 states. [2021-06-05 08:45:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190423 to 189875. [2021-06-05 08:45:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189875 states, 189872 states have (on average 2.9941276228195837) internal successors, (568501), 189874 states have internal predecessors, (568501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189875 states to 189875 states and 568501 transitions. [2021-06-05 08:45:28,975 INFO L78 Accepts]: Start accepts. Automaton has 189875 states and 568501 transitions. Word has length 103 [2021-06-05 08:45:28,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:45:28,975 INFO L482 AbstractCegarLoop]: Abstraction has 189875 states and 568501 transitions. [2021-06-05 08:45:28,975 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 189875 states and 568501 transitions. [2021-06-05 08:45:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:45:29,066 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:45:29,067 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:45:29,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-06-05 08:45:29,067 INFO L430 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:45:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:45:29,067 INFO L82 PathProgramCache]: Analyzing trace with hash 62227622, now seen corresponding path program 1 times [2021-06-05 08:45:29,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:45:29,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416544831] [2021-06-05 08:45:29,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:45:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:45:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:45:29,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:45:29,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416544831] [2021-06-05 08:45:29,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416544831] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:45:29,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942302714] [2021-06-05 08:45:29,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:45:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:45:29,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-05 08:45:29,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:45:29,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:45:29,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:45:29,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:45:29,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:45:29,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:45:29,579 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:45:29,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:45:29,580 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:45:29,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:45:29,584 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:45:29,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:45:29,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:45:29,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:45:29,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:45:29,807 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:45:29,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:45:29,808 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:45:29,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:45:29,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:45:29,822 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:45:30,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:45:30,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:45:30,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:45:30,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:45:30,091 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2021-06-05 08:45:30,158 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:45:30,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:45:30,160 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:45:30,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:45:30,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:45:30,175 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:25 [2021-06-05 08:45:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:45:30,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942302714] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:45:30,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:45:30,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [21] total 35 [2021-06-05 08:45:30,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104803944] [2021-06-05 08:45:30,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:45:30,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:45:30,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:45:30,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2021-06-05 08:45:30,210 INFO L87 Difference]: Start difference. First operand 189875 states and 568501 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:45:33,703 INFO L93 Difference]: Finished difference Result 329573 states and 981540 transitions. [2021-06-05 08:45:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-05 08:45:33,704 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:45:33,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:45:34,767 INFO L225 Difference]: With dead ends: 329573 [2021-06-05 08:45:34,767 INFO L226 Difference]: Without dead ends: 329573 [2021-06-05 08:45:34,767 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 1113.6ms TimeCoverageRelationStatistics Valid=310, Invalid=2770, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 08:45:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329573 states. [2021-06-05 08:45:39,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329573 to 245149. [2021-06-05 08:45:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245149 states, 245146 states have (on average 2.9923514966591336) internal successors, (733563), 245148 states have internal predecessors, (733563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245149 states to 245149 states and 733563 transitions. [2021-06-05 08:45:41,477 INFO L78 Accepts]: Start accepts. Automaton has 245149 states and 733563 transitions. Word has length 115 [2021-06-05 08:45:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:45:41,477 INFO L482 AbstractCegarLoop]: Abstraction has 245149 states and 733563 transitions. [2021-06-05 08:45:41,477 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 245149 states and 733563 transitions. [2021-06-05 08:45:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:45:41,553 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:45:41,554 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:45:41,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-06-05 08:45:41,769 INFO L430 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:45:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:45:41,770 INFO L82 PathProgramCache]: Analyzing trace with hash -2033723492, now seen corresponding path program 2 times [2021-06-05 08:45:41,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:45:41,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198505475] [2021-06-05 08:45:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:45:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:45:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:45:42,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:45:42,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198505475] [2021-06-05 08:45:42,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198505475] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:45:42,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:45:42,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-06-05 08:45:42,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652915029] [2021-06-05 08:45:42,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 08:45:42,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:45:42,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 08:45:42,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-06-05 08:45:42,196 INFO L87 Difference]: Start difference. First operand 245149 states and 733563 transitions. Second operand has 23 states, 22 states have (on average 5.045454545454546) internal successors, (111), 23 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:45:46,981 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-05 08:45:49,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:45:49,285 INFO L93 Difference]: Finished difference Result 646919 states and 1921290 transitions. [2021-06-05 08:45:49,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-06-05 08:45:49,285 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.045454545454546) internal successors, (111), 23 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:45:49,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:45:50,838 INFO L225 Difference]: With dead ends: 646919 [2021-06-05 08:45:50,839 INFO L226 Difference]: Without dead ends: 646919 [2021-06-05 08:45:50,839 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2894 ImplicationChecksByTransitivity, 1641.2ms TimeCoverageRelationStatistics Valid=1285, Invalid=7645, Unknown=0, NotChecked=0, Total=8930 [2021-06-05 08:45:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646919 states. [2021-06-05 08:45:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646919 to 275931. [2021-06-05 08:45:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275931 states, 275928 states have (on average 3.002236090574353) internal successors, (828401), 275930 states have internal predecessors, (828401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275931 states to 275931 states and 828401 transitions. [2021-06-05 08:46:00,360 INFO L78 Accepts]: Start accepts. Automaton has 275931 states and 828401 transitions. Word has length 115 [2021-06-05 08:46:00,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:46:00,360 INFO L482 AbstractCegarLoop]: Abstraction has 275931 states and 828401 transitions. [2021-06-05 08:46:00,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 5.045454545454546) internal successors, (111), 23 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:00,360 INFO L276 IsEmpty]: Start isEmpty. Operand 275931 states and 828401 transitions. [2021-06-05 08:46:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:46:00,426 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:46:00,426 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:46:00,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-06-05 08:46:00,426 INFO L430 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:46:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:46:00,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2034089400, now seen corresponding path program 1 times [2021-06-05 08:46:00,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:46:00,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464501996] [2021-06-05 08:46:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:46:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:46:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:46:00,551 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:46:00,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464501996] [2021-06-05 08:46:00,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464501996] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:46:00,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:46:00,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-06-05 08:46:00,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730771250] [2021-06-05 08:46:00,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-05 08:46:00,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:46:00,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-05 08:46:00,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-05 08:46:00,552 INFO L87 Difference]: Start difference. First operand 275931 states and 828401 transitions. Second operand has 14 states, 13 states have (on average 8.538461538461538) internal successors, (111), 14 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:02,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:46:02,930 INFO L93 Difference]: Finished difference Result 364694 states and 1091773 transitions. [2021-06-05 08:46:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 08:46:02,930 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.538461538461538) internal successors, (111), 14 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:46:02,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:46:04,219 INFO L225 Difference]: With dead ends: 364694 [2021-06-05 08:46:04,219 INFO L226 Difference]: Without dead ends: 364694 [2021-06-05 08:46:04,219 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 225.2ms TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2021-06-05 08:46:05,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364694 states. [2021-06-05 08:46:09,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364694 to 266243. [2021-06-05 08:46:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266243 states, 266240 states have (on average 3.0174654447115383) internal successors, (803370), 266242 states have internal predecessors, (803370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266243 states to 266243 states and 803370 transitions. [2021-06-05 08:46:10,951 INFO L78 Accepts]: Start accepts. Automaton has 266243 states and 803370 transitions. Word has length 115 [2021-06-05 08:46:10,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:46:10,951 INFO L482 AbstractCegarLoop]: Abstraction has 266243 states and 803370 transitions. [2021-06-05 08:46:10,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 13 states have (on average 8.538461538461538) internal successors, (111), 14 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand 266243 states and 803370 transitions. [2021-06-05 08:46:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:46:11,005 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:46:11,006 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:46:11,006 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-06-05 08:46:11,006 INFO L430 AbstractCegarLoop]: === Iteration 27 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:46:11,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:46:11,006 INFO L82 PathProgramCache]: Analyzing trace with hash -664329780, now seen corresponding path program 2 times [2021-06-05 08:46:11,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:46:11,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565586557] [2021-06-05 08:46:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:46:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:46:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:46:11,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:46:11,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565586557] [2021-06-05 08:46:11,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565586557] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:46:11,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:46:11,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-05 08:46:11,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000449914] [2021-06-05 08:46:11,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:46:11,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:46:11,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:46:11,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-06-05 08:46:11,192 INFO L87 Difference]: Start difference. First operand 266243 states and 803370 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:46:15,687 INFO L93 Difference]: Finished difference Result 490972 states and 1477049 transitions. [2021-06-05 08:46:15,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-05 08:46:15,688 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:46:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:46:16,881 INFO L225 Difference]: With dead ends: 490972 [2021-06-05 08:46:16,881 INFO L226 Difference]: Without dead ends: 488932 [2021-06-05 08:46:16,882 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1409.1ms TimeCoverageRelationStatistics Valid=665, Invalid=2091, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 08:46:18,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488932 states. [2021-06-05 08:46:23,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488932 to 279074. [2021-06-05 08:46:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279074 states, 279071 states have (on average 3.0055756420409145) internal successors, (838769), 279073 states have internal predecessors, (838769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279074 states to 279074 states and 838769 transitions. [2021-06-05 08:46:25,490 INFO L78 Accepts]: Start accepts. Automaton has 279074 states and 838769 transitions. Word has length 115 [2021-06-05 08:46:25,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:46:25,491 INFO L482 AbstractCegarLoop]: Abstraction has 279074 states and 838769 transitions. [2021-06-05 08:46:25,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 279074 states and 838769 transitions. [2021-06-05 08:46:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:46:25,564 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:46:25,564 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:46:25,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-06-05 08:46:25,564 INFO L430 AbstractCegarLoop]: === Iteration 28 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:46:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:46:25,565 INFO L82 PathProgramCache]: Analyzing trace with hash 388172614, now seen corresponding path program 3 times [2021-06-05 08:46:25,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:46:25,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949459592] [2021-06-05 08:46:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:46:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:46:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:46:25,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:46:25,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949459592] [2021-06-05 08:46:25,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949459592] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:46:25,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 08:46:25,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-06-05 08:46:25,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801240549] [2021-06-05 08:46:25,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-05 08:46:25,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:46:25,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-05 08:46:25,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2021-06-05 08:46:25,821 INFO L87 Difference]: Start difference. First operand 279074 states and 838769 transitions. Second operand has 22 states, 21 states have (on average 5.285714285714286) internal successors, (111), 22 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:46:35,912 INFO L93 Difference]: Finished difference Result 718293 states and 2145452 transitions. [2021-06-05 08:46:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-05 08:46:35,913 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.285714285714286) internal successors, (111), 22 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:46:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:46:37,503 INFO L225 Difference]: With dead ends: 718293 [2021-06-05 08:46:37,503 INFO L226 Difference]: Without dead ends: 717661 [2021-06-05 08:46:37,504 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8074 ImplicationChecksByTransitivity, 3207.5ms TimeCoverageRelationStatistics Valid=2644, Invalid=18818, Unknown=0, NotChecked=0, Total=21462 [2021-06-05 08:46:39,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717661 states. [2021-06-05 08:46:46,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717661 to 279844. [2021-06-05 08:46:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279844 states, 279841 states have (on average 3.0057389732026403) internal successors, (841129), 279843 states have internal predecessors, (841129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279844 states to 279844 states and 841129 transitions. [2021-06-05 08:46:47,693 INFO L78 Accepts]: Start accepts. Automaton has 279844 states and 841129 transitions. Word has length 115 [2021-06-05 08:46:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:46:47,693 INFO L482 AbstractCegarLoop]: Abstraction has 279844 states and 841129 transitions. [2021-06-05 08:46:47,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 21 states have (on average 5.285714285714286) internal successors, (111), 22 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 279844 states and 841129 transitions. [2021-06-05 08:46:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:46:47,773 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:46:47,773 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:46:47,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-06-05 08:46:47,774 INFO L430 AbstractCegarLoop]: === Iteration 29 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:46:47,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:46:47,774 INFO L82 PathProgramCache]: Analyzing trace with hash -194172412, now seen corresponding path program 4 times [2021-06-05 08:46:47,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:46:47,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306396597] [2021-06-05 08:46:47,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:46:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:46:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:46:48,309 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:46:48,309 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306396597] [2021-06-05 08:46:48,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306396597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:46:48,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183725127] [2021-06-05 08:46:48,310 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:46:49,025 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 08:46:49,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:46:49,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 91 conjunts are in the unsatisfiable core [2021-06-05 08:46:49,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:46:49,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:46:49,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,063 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,063 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:46:49,080 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:46:49,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:46:49,081 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,087 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2021-06-05 08:46:49,120 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:46:49,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-06-05 08:46:49,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:22 [2021-06-05 08:46:49,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:46:49,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,210 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,210 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2021-06-05 08:46:49,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:46:49,249 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,257 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:33 [2021-06-05 08:46:49,360 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-06-05 08:46:49,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 20 [2021-06-05 08:46:49,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,374 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:30 [2021-06-05 08:46:49,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:46:49,580 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:46:49,611 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:46:49,636 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:93, output treesize:76 [2021-06-05 08:46:49,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:46:49,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:46:49,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:49,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:49,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:46:49,838 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:106, output treesize:98 [2021-06-05 08:46:50,064 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:46:50,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 45 [2021-06-05 08:46:50,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:50,092 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:46:50,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2021-06-05 08:46:50,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:50,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:50,168 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2021-06-05 08:46:50,168 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:120, output treesize:98 [2021-06-05 08:46:50,718 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-06-05 08:46:50,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2021-06-05 08:46:50,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:50,735 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-06-05 08:46:50,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 39 [2021-06-05 08:46:50,737 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:50,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:50,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2021-06-05 08:46:50,785 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:120, output treesize:116 [2021-06-05 08:46:51,036 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-05 08:46:51,421 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 08:46:51,503 INFO L354 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2021-06-05 08:46:51,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 63 [2021-06-05 08:46:51,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:51,526 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:46:51,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:46:51,527 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:51,548 INFO L354 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2021-06-05 08:46:51,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 42 [2021-06-05 08:46:51,550 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:46:51,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:46:51,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 14 dim-0 vars, and 3 xjuncts. [2021-06-05 08:46:51,688 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 11 variables, input treesize:174, output treesize:156 [2021-06-05 08:46:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:46:53,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183725127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:46:53,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:46:53,636 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 39 [2021-06-05 08:46:53,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051936433] [2021-06-05 08:46:53,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-05 08:46:53,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:46:53,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-05 08:46:53,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1427, Unknown=1, NotChecked=0, Total=1560 [2021-06-05 08:46:53,637 INFO L87 Difference]: Start difference. First operand 279844 states and 841129 transitions. Second operand has 40 states, 39 states have (on average 5.461538461538462) internal successors, (213), 40 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:46:58,467 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-05 08:47:05,987 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-06-05 08:47:06,332 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-05 08:47:09,713 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-06-05 08:47:12,163 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 120 DAG size of output: 104 [2021-06-05 08:47:12,996 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-05 08:47:22,705 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-05 08:47:36,142 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 88 [2021-06-05 08:47:39,470 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-06-05 08:47:39,829 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2021-06-05 08:48:07,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:48:07,241 INFO L93 Difference]: Finished difference Result 503943 states and 1502589 transitions. [2021-06-05 08:48:07,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-06-05 08:48:07,242 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 5.461538461538462) internal successors, (213), 40 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:48:07,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:48:08,280 INFO L225 Difference]: With dead ends: 503943 [2021-06-05 08:48:08,280 INFO L226 Difference]: Without dead ends: 503943 [2021-06-05 08:48:08,281 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 93 SyntacticMatches, 7 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4118 ImplicationChecksByTransitivity, 13836.5ms TimeCoverageRelationStatistics Valid=1473, Invalid=11180, Unknown=3, NotChecked=0, Total=12656 [2021-06-05 08:48:09,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503943 states. [2021-06-05 08:48:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503943 to 292652. [2021-06-05 08:48:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292652 states, 292649 states have (on average 2.997454288242912) internal successors, (877202), 292651 states have internal predecessors, (877202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:48:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292652 states to 292652 states and 877202 transitions. [2021-06-05 08:48:16,932 INFO L78 Accepts]: Start accepts. Automaton has 292652 states and 877202 transitions. Word has length 115 [2021-06-05 08:48:16,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:48:16,932 INFO L482 AbstractCegarLoop]: Abstraction has 292652 states and 877202 transitions. [2021-06-05 08:48:16,932 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 39 states have (on average 5.461538461538462) internal successors, (213), 40 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:48:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 292652 states and 877202 transitions. [2021-06-05 08:48:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:48:17,009 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:48:17,010 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:48:17,210 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:48:17,210 INFO L430 AbstractCegarLoop]: === Iteration 30 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:48:17,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:48:17,211 INFO L82 PathProgramCache]: Analyzing trace with hash 8441056, now seen corresponding path program 5 times [2021-06-05 08:48:17,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:48:17,211 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788002263] [2021-06-05 08:48:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:48:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:48:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:48:17,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:48:17,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788002263] [2021-06-05 08:48:17,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788002263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:48:17,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194102681] [2021-06-05 08:48:17,667 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:48:17,777 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 08:48:17,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:48:17,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 93 conjunts are in the unsatisfiable core [2021-06-05 08:48:17,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:48:17,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:48:17,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:17,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:48:17,819 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:48:17,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:48:17,820 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:17,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,827 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2021-06-05 08:48:17,871 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-05 08:48:17,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-06-05 08:48:17,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:17,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,883 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:37 [2021-06-05 08:48:17,939 INFO L354 Elim1Store]: treesize reduction 42, result has 27.6 percent of original size [2021-06-05 08:48:17,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 30 [2021-06-05 08:48:17,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:17,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:17,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:48:17,953 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:42 [2021-06-05 08:48:18,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:48:18,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:18,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2021-06-05 08:48:18,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-05 08:48:18,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:18,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,071 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:34 [2021-06-05 08:48:18,131 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-06-05 08:48:18,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-06-05 08:48:18,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:18,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,144 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:42, output treesize:34 [2021-06-05 08:48:18,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:48:18,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:18,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:48:18,371 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:18,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:48:18,402 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:101, output treesize:84 [2021-06-05 08:48:18,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:48:18,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:48:18,563 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:18,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:48:18,595 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:114, output treesize:98 [2021-06-05 08:48:18,749 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:48:18,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:48:18,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,768 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:48:18,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 42 [2021-06-05 08:48:18,770 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:18,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:19,138 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-06-05 08:48:19,162 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2021-06-05 08:48:19,163 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:120, output treesize:98 [2021-06-05 08:48:19,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-06-05 08:48:19,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:19,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-06-05 08:48:19,630 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:19,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:19,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2021-06-05 08:48:19,670 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:120, output treesize:112 [2021-06-05 08:48:20,073 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:48:20,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 52 [2021-06-05 08:48:20,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:48:20,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:48:20,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-06-05 08:48:20,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:70, output treesize:59 [2021-06-05 08:48:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:48:20,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194102681] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:48:20,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:48:20,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 38 [2021-06-05 08:48:20,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238209660] [2021-06-05 08:48:20,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-05 08:48:20,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:48:20,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-05 08:48:20,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1348, Unknown=0, NotChecked=0, Total=1482 [2021-06-05 08:48:20,240 INFO L87 Difference]: Start difference. First operand 292652 states and 877202 transitions. Second operand has 39 states, 38 states have (on average 5.605263157894737) internal successors, (213), 39 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:48:21,878 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-06-05 08:48:22,651 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-06-05 08:48:25,472 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-06-05 08:48:25,706 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-06-05 08:48:28,706 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-06-05 08:48:28,996 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-06-05 08:48:36,131 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2021-06-05 08:48:42,455 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2021-06-05 08:48:42,736 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2021-06-05 08:49:01,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:49:01,691 INFO L93 Difference]: Finished difference Result 532516 states and 1586076 transitions. [2021-06-05 08:49:01,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-05 08:49:01,692 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 5.605263157894737) internal successors, (213), 39 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:49:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:49:02,710 INFO L225 Difference]: With dead ends: 532516 [2021-06-05 08:49:02,710 INFO L226 Difference]: Without dead ends: 532516 [2021-06-05 08:49:02,711 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 99 SyntacticMatches, 4 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2078 ImplicationChecksByTransitivity, 5126.1ms TimeCoverageRelationStatistics Valid=921, Invalid=6389, Unknown=0, NotChecked=0, Total=7310 [2021-06-05 08:49:04,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532516 states. [2021-06-05 08:49:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532516 to 277028. [2021-06-05 08:49:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277028 states, 277025 states have (on average 2.99473693709954) internal successors, (829617), 277027 states have internal predecessors, (829617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:49:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277028 states to 277028 states and 829617 transitions. [2021-06-05 08:49:10,578 INFO L78 Accepts]: Start accepts. Automaton has 277028 states and 829617 transitions. Word has length 115 [2021-06-05 08:49:10,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:49:10,578 INFO L482 AbstractCegarLoop]: Abstraction has 277028 states and 829617 transitions. [2021-06-05 08:49:10,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 38 states have (on average 5.605263157894737) internal successors, (213), 39 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:49:10,578 INFO L276 IsEmpty]: Start isEmpty. Operand 277028 states and 829617 transitions. [2021-06-05 08:49:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:49:10,651 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:49:10,651 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:49:10,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:49:10,851 INFO L430 AbstractCegarLoop]: === Iteration 31 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:49:10,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:49:10,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1007944840, now seen corresponding path program 6 times [2021-06-05 08:49:10,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:49:10,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78232795] [2021-06-05 08:49:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:49:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:49:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:49:11,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:49:11,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78232795] [2021-06-05 08:49:11,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78232795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:49:11,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945826011] [2021-06-05 08:49:11,139 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:49:11,261 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2021-06-05 08:49:11,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:49:11,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 121 conjunts are in the unsatisfiable core [2021-06-05 08:49:11,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:49:11,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:49:11,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:11,287 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,287 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:49:11,305 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-06-05 08:49:11,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-06-05 08:49:11,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:11,313 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,313 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2021-06-05 08:49:11,358 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-05 08:49:11,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-06-05 08:49:11,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:11,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:37 [2021-06-05 08:49:11,442 INFO L354 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2021-06-05 08:49:11,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2021-06-05 08:49:11,444 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:11,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:54 [2021-06-05 08:49:11,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:49:11,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:11,554 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:11,554 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:61 [2021-06-05 08:49:12,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:49:12,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:12,215 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:12,216 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:12,216 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:68 [2021-06-05 08:49:12,306 INFO L354 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2021-06-05 08:49:12,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:49:12,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:12,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:12,331 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:49:12,331 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:67 [2021-06-05 08:49:12,459 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 08:49:12,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 08:49:12,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:12,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:12,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:49:12,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:75 [2021-06-05 08:49:12,621 INFO L354 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2021-06-05 08:49:12,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2021-06-05 08:49:12,623 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:12,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:12,652 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:49:12,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:86, output treesize:75 [2021-06-05 08:49:13,070 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-06-05 08:49:13,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 47 [2021-06-05 08:49:13,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:13,111 INFO L628 ElimStorePlain]: treesize reduction 4, result has 94.6 percent of original size [2021-06-05 08:49:13,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:49:13,113 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:99, output treesize:70 [2021-06-05 08:49:13,182 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-06-05 08:49:13,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 48 [2021-06-05 08:49:13,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:13,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:13,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:49:13,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:81, output treesize:54 [2021-06-05 08:49:13,353 INFO L354 Elim1Store]: treesize reduction 68, result has 33.3 percent of original size [2021-06-05 08:49:13,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 63 [2021-06-05 08:49:13,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:13,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:13,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-05 08:49:13,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:69, output treesize:77 [2021-06-05 08:49:13,797 INFO L354 Elim1Store]: treesize reduction 76, result has 28.3 percent of original size [2021-06-05 08:49:13,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 69 [2021-06-05 08:49:13,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:13,813 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:49:13,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 55 [2021-06-05 08:49:13,815 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:13,905 INFO L628 ElimStorePlain]: treesize reduction 4, result has 97.4 percent of original size [2021-06-05 08:49:13,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 2 xjuncts. [2021-06-05 08:49:13,938 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:152, output treesize:148 [2021-06-05 08:49:15,736 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-06-05 08:49:15,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 65 [2021-06-05 08:49:15,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:15,752 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:49:15,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 55 [2021-06-05 08:49:15,753 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:15,843 INFO L628 ElimStorePlain]: treesize reduction 8, result has 94.7 percent of original size [2021-06-05 08:49:15,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2021-06-05 08:49:15,851 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:156, output treesize:122 [2021-06-05 08:49:16,060 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-06-05 08:49:16,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 62 [2021-06-05 08:49:16,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:16,079 INFO L354 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2021-06-05 08:49:16,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 55 [2021-06-05 08:49:16,081 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:49:16,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:49:16,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 2 xjuncts. [2021-06-05 08:49:16,147 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:144, output treesize:118 [2021-06-05 08:49:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-05 08:49:16,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945826011] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:49:16,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 08:49:16,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 32] total 51 [2021-06-05 08:49:16,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021150645] [2021-06-05 08:49:16,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-05 08:49:16,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:49:16,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-05 08:49:16,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=2420, Unknown=0, NotChecked=0, Total=2652 [2021-06-05 08:49:16,874 INFO L87 Difference]: Start difference. First operand 277028 states and 829617 transitions. Second operand has 52 states, 51 states have (on average 4.176470588235294) internal successors, (213), 52 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:49:20,278 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2021-06-05 08:50:34,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:50:34,279 INFO L93 Difference]: Finished difference Result 476689 states and 1410421 transitions. [2021-06-05 08:50:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-05 08:50:34,280 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 4.176470588235294) internal successors, (213), 52 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:50:34,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:50:35,723 INFO L225 Difference]: With dead ends: 476689 [2021-06-05 08:50:35,724 INFO L226 Difference]: Without dead ends: 476689 [2021-06-05 08:50:35,724 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 71 SyntacticMatches, 18 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4414 ImplicationChecksByTransitivity, 15353.4ms TimeCoverageRelationStatistics Valid=1002, Invalid=10125, Unknown=3, NotChecked=0, Total=11130 [2021-06-05 08:50:37,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476689 states. [2021-06-05 08:50:41,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476689 to 308836. [2021-06-05 08:50:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308836 states, 308833 states have (on average 3.0008710209077396) internal successors, (926768), 308835 states have internal predecessors, (926768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:50:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308836 states to 308836 states and 926768 transitions. [2021-06-05 08:50:43,464 INFO L78 Accepts]: Start accepts. Automaton has 308836 states and 926768 transitions. Word has length 115 [2021-06-05 08:50:43,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:50:43,464 INFO L482 AbstractCegarLoop]: Abstraction has 308836 states and 926768 transitions. [2021-06-05 08:50:43,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 51 states have (on average 4.176470588235294) internal successors, (213), 52 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:50:43,464 INFO L276 IsEmpty]: Start isEmpty. Operand 308836 states and 926768 transitions. [2021-06-05 08:50:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:50:43,537 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:50:43,537 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:50:43,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable156 [2021-06-05 08:50:43,739 INFO L430 AbstractCegarLoop]: === Iteration 32 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:50:43,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:50:43,739 INFO L82 PathProgramCache]: Analyzing trace with hash 963168270, now seen corresponding path program 1 times [2021-06-05 08:50:43,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:50:43,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917430168] [2021-06-05 08:50:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:50:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:50:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:50:44,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:50:44,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917430168] [2021-06-05 08:50:44,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917430168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:50:44,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242225391] [2021-06-05 08:50:44,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:50:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:50:44,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-05 08:50:44,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:50:44,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:50:44,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:44,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:44,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:50:44,156 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:50:44,165 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:50:44,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:50:44,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:44,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:44,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:50:44,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:50:44,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:50:44,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:44,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:44,422 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:50:44,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:50:44,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:44,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:44,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:50:44,437 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:50:45,133 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-06-05 08:50:45,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-06-05 08:50:45,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:45,147 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-06-05 08:50:45,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:50:45,148 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:45,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:45,179 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:50:45,179 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:74, output treesize:66 [2021-06-05 08:50:45,471 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:50:45,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:50:45,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:45,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:45,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:50:45,487 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:25 [2021-06-05 08:50:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:50:45,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242225391] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:50:45,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:50:45,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 36 [2021-06-05 08:50:45,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985719699] [2021-06-05 08:50:45,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:50:45,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:50:45,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:50:45,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1223, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 08:50:45,530 INFO L87 Difference]: Start difference. First operand 308836 states and 926768 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:50:49,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:50:49,106 INFO L93 Difference]: Finished difference Result 359464 states and 1077537 transitions. [2021-06-05 08:50:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 08:50:49,107 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:50:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:50:49,827 INFO L225 Difference]: With dead ends: 359464 [2021-06-05 08:50:49,827 INFO L226 Difference]: Without dead ends: 359464 [2021-06-05 08:50:49,828 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 1230.7ms TimeCoverageRelationStatistics Valid=255, Invalid=2607, Unknown=0, NotChecked=0, Total=2862 [2021-06-05 08:50:51,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359464 states. [2021-06-05 08:50:56,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359464 to 314188. [2021-06-05 08:50:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314188 states, 314185 states have (on average 3.001012142527492) internal successors, (942873), 314187 states have internal predecessors, (942873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:50:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314188 states to 314188 states and 942873 transitions. [2021-06-05 08:50:57,871 INFO L78 Accepts]: Start accepts. Automaton has 314188 states and 942873 transitions. Word has length 115 [2021-06-05 08:50:57,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:50:57,871 INFO L482 AbstractCegarLoop]: Abstraction has 314188 states and 942873 transitions. [2021-06-05 08:50:57,871 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:50:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand 314188 states and 942873 transitions. [2021-06-05 08:50:57,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:50:57,939 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:50:57,939 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:50:58,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:50:58,143 INFO L430 AbstractCegarLoop]: === Iteration 33 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:50:58,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:50:58,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1605600140, now seen corresponding path program 2 times [2021-06-05 08:50:58,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:50:58,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968386656] [2021-06-05 08:50:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:50:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:50:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:50:58,436 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:50:58,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968386656] [2021-06-05 08:50:58,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968386656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:50:58,436 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669401734] [2021-06-05 08:50:58,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:50:58,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:50:58,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:50:58,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-05 08:50:58,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:50:58,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:50:58,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:58,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:58,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:50:58,585 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:50:58,594 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:50:58,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:50:58,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:58,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:58,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:50:58,602 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:50:58,820 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:50:58,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:50:58,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:58,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:58,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:50:58,839 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:58,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:58,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:50:58,853 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:50:59,027 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-06-05 08:50:59,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:50:59,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:59,043 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-06-05 08:50:59,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-06-05 08:50:59,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:59,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:59,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:50:59,068 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:74, output treesize:62 [2021-06-05 08:50:59,314 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:50:59,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:50:59,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:50:59,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:50:59,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:50:59,328 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:25 [2021-06-05 08:50:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:50:59,414 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669401734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:50:59,414 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:50:59,414 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 36 [2021-06-05 08:50:59,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781929804] [2021-06-05 08:50:59,414 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:50:59,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:50:59,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:50:59,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1226, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 08:50:59,414 INFO L87 Difference]: Start difference. First operand 314188 states and 942873 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:00,103 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-06-05 08:51:03,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:51:03,270 INFO L93 Difference]: Finished difference Result 354912 states and 1062693 transitions. [2021-06-05 08:51:03,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-05 08:51:03,270 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:51:03,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:51:03,961 INFO L225 Difference]: With dead ends: 354912 [2021-06-05 08:51:03,961 INFO L226 Difference]: Without dead ends: 354912 [2021-06-05 08:51:03,961 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 1549.2ms TimeCoverageRelationStatistics Valid=237, Invalid=2519, Unknown=0, NotChecked=0, Total=2756 [2021-06-05 08:51:05,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354912 states. [2021-06-05 08:51:09,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354912 to 314888. [2021-06-05 08:51:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314888 states, 314885 states have (on average 3.000844752846277) internal successors, (944921), 314887 states have internal predecessors, (944921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314888 states to 314888 states and 944921 transitions. [2021-06-05 08:51:11,241 INFO L78 Accepts]: Start accepts. Automaton has 314888 states and 944921 transitions. Word has length 115 [2021-06-05 08:51:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:51:11,241 INFO L482 AbstractCegarLoop]: Abstraction has 314888 states and 944921 transitions. [2021-06-05 08:51:11,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 314888 states and 944921 transitions. [2021-06-05 08:51:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:51:11,313 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:51:11,313 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:51:11,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:51:11,525 INFO L430 AbstractCegarLoop]: === Iteration 34 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:51:11,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:51:11,526 INFO L82 PathProgramCache]: Analyzing trace with hash -18724084, now seen corresponding path program 3 times [2021-06-05 08:51:11,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:51:11,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294995553] [2021-06-05 08:51:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:51:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:51:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:51:11,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:51:11,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294995553] [2021-06-05 08:51:11,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294995553] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:51:11,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422453142] [2021-06-05 08:51:11,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:51:11,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-06-05 08:51:11,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:51:11,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-05 08:51:11,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:51:11,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:51:11,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:11,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:11,913 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:51:11,913 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:51:11,922 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:51:11,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:51:11,923 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:11,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:11,927 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:51:11,927 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:51:12,144 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:51:12,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:51:12,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:12,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:12,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:51:12,162 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:12,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:12,176 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:51:12,176 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:51:12,988 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-06-05 08:51:12,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-06-05 08:51:12,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:13,001 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-06-05 08:51:13,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:51:13,003 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:13,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:13,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:51:13,028 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:74, output treesize:66 [2021-06-05 08:51:13,213 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:51:13,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:51:13,214 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:13,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:13,227 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:51:13,227 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:25 [2021-06-05 08:51:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:51:13,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422453142] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:51:13,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:51:13,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 36 [2021-06-05 08:51:13,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463198481] [2021-06-05 08:51:13,358 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:51:13,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:51:13,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:51:13,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1229, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 08:51:13,359 INFO L87 Difference]: Start difference. First operand 314888 states and 944921 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:51:16,972 INFO L93 Difference]: Finished difference Result 363642 states and 1088190 transitions. [2021-06-05 08:51:16,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 08:51:16,972 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:51:16,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:51:17,684 INFO L225 Difference]: With dead ends: 363642 [2021-06-05 08:51:17,684 INFO L226 Difference]: Without dead ends: 363642 [2021-06-05 08:51:17,685 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 1226.8ms TimeCoverageRelationStatistics Valid=253, Invalid=2717, Unknown=0, NotChecked=0, Total=2970 [2021-06-05 08:51:19,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363642 states. [2021-06-05 08:51:23,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363642 to 317514. [2021-06-05 08:51:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317514 states, 317511 states have (on average 3.0003999861422126) internal successors, (952660), 317513 states have internal predecessors, (952660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317514 states to 317514 states and 952660 transitions. [2021-06-05 08:51:24,879 INFO L78 Accepts]: Start accepts. Automaton has 317514 states and 952660 transitions. Word has length 115 [2021-06-05 08:51:24,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:51:24,880 INFO L482 AbstractCegarLoop]: Abstraction has 317514 states and 952660 transitions. [2021-06-05 08:51:24,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 317514 states and 952660 transitions. [2021-06-05 08:51:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:51:25,675 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:51:25,675 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:51:25,891 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:51:25,891 INFO L430 AbstractCegarLoop]: === Iteration 35 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:51:25,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:51:25,891 INFO L82 PathProgramCache]: Analyzing trace with hash 2071088916, now seen corresponding path program 4 times [2021-06-05 08:51:25,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:51:25,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092867848] [2021-06-05 08:51:25,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:51:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:51:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:51:26,160 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:51:26,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092867848] [2021-06-05 08:51:26,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092867848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:51:26,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061776426] [2021-06-05 08:51:26,160 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:51:26,315 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-05 08:51:26,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:51:26,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 105 conjunts are in the unsatisfiable core [2021-06-05 08:51:26,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:51:26,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:51:26,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:26,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,356 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2021-06-05 08:51:26,384 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:51:26,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:51:26,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:26,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,392 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:17 [2021-06-05 08:51:26,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:51:26,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:26,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,453 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2021-06-05 08:51:26,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:51:26,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:26,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:51:26,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:31 [2021-06-05 08:51:26,550 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:51:26,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:51:26,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,569 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-06-05 08:51:26,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,570 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2021-06-05 08:51:26,720 INFO L354 Elim1Store]: treesize reduction 68, result has 42.4 percent of original size [2021-06-05 08:51:26,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 68 [2021-06-05 08:51:26,722 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:26,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:26,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-05 08:51:26,746 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:71 [2021-06-05 08:51:27,017 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-06-05 08:51:27,064 INFO L354 Elim1Store]: treesize reduction 52, result has 26.8 percent of original size [2021-06-05 08:51:27,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 44 [2021-06-05 08:51:27,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:27,145 INFO L354 Elim1Store]: treesize reduction 107, result has 39.5 percent of original size [2021-06-05 08:51:27,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 42 treesize of output 91 [2021-06-05 08:51:27,148 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:27,175 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-06-05 08:51:27,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 46 [2021-06-05 08:51:27,176 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:27,353 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-06-05 08:51:27,353 INFO L628 ElimStorePlain]: treesize reduction 25, result has 87.6 percent of original size [2021-06-05 08:51:27,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2021-06-05 08:51:27,362 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:161, output treesize:166 [2021-06-05 08:51:27,697 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-06-05 08:51:28,098 INFO L354 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2021-06-05 08:51:28,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 54 [2021-06-05 08:51:28,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:28,138 INFO L354 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2021-06-05 08:51:28,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2021-06-05 08:51:28,139 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:28,398 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2021-06-05 08:51:28,399 INFO L354 Elim1Store]: treesize reduction 68, result has 33.3 percent of original size [2021-06-05 08:51:28,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 50 [2021-06-05 08:51:28,400 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:28,475 INFO L354 Elim1Store]: treesize reduction 131, result has 26.0 percent of original size [2021-06-05 08:51:28,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 42 treesize of output 67 [2021-06-05 08:51:28,477 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:28,500 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-06-05 08:51:28,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 40 [2021-06-05 08:51:28,502 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:28,668 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-05 08:51:28,669 INFO L628 ElimStorePlain]: treesize reduction 9, result has 97.0 percent of original size [2021-06-05 08:51:28,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 5 xjuncts. [2021-06-05 08:51:28,692 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:278, output treesize:290 [2021-06-05 08:51:28,934 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2021-06-05 08:51:30,282 INFO L446 ElimStorePlain]: Different costs {28=[v_prenex_88], 40=[|v_#memory_int_280|, v_prenex_87, v_prenex_86]} [2021-06-05 08:51:30,415 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-06-05 08:51:30,468 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 08:51:30,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 41 [2021-06-05 08:51:30,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:30,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2021-06-05 08:51:30,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:30,652 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 08:51:30,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2021-06-05 08:51:30,654 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:30,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:51:30,680 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:32,744 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 146 DAG size of output: 146 [2021-06-05 08:51:32,744 INFO L628 ElimStorePlain]: treesize reduction 48, result has 95.3 percent of original size [2021-06-05 08:51:32,995 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2021-06-05 08:51:32,995 INFO L354 Elim1Store]: treesize reduction 91, result has 30.0 percent of original size [2021-06-05 08:51:32,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 42 treesize of output 60 [2021-06-05 08:51:32,997 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:33,310 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2021-06-05 08:51:33,311 INFO L354 Elim1Store]: treesize reduction 126, result has 21.3 percent of original size [2021-06-05 08:51:33,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 58 treesize of output 55 [2021-06-05 08:51:33,313 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:33,609 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2021-06-05 08:51:33,609 INFO L354 Elim1Store]: treesize reduction 242, result has 16.8 percent of original size [2021-06-05 08:51:33,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 65 treesize of output 73 [2021-06-05 08:51:33,612 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:33,759 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2021-06-05 08:51:33,759 INFO L354 Elim1Store]: treesize reduction 171, result has 19.7 percent of original size [2021-06-05 08:51:33,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 66 [2021-06-05 08:51:33,761 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:34,797 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 140 [2021-06-05 08:51:34,798 INFO L628 ElimStorePlain]: treesize reduction 4, result has 99.6 percent of original size [2021-06-05 08:51:34,952 INFO L354 Elim1Store]: treesize reduction 148, result has 14.9 percent of original size [2021-06-05 08:51:34,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 47 [2021-06-05 08:51:34,954 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,046 INFO L354 Elim1Store]: treesize reduction 150, result has 19.8 percent of original size [2021-06-05 08:51:35,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 65 treesize of output 61 [2021-06-05 08:51:35,048 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,133 INFO L354 Elim1Store]: treesize reduction 136, result has 17.6 percent of original size [2021-06-05 08:51:35,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 53 [2021-06-05 08:51:35,134 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,192 INFO L354 Elim1Store]: treesize reduction 108, result has 19.4 percent of original size [2021-06-05 08:51:35,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 42 treesize of output 47 [2021-06-05 08:51:35,194 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,594 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-05 08:51:35,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:35,660 INFO L354 Elim1Store]: treesize reduction 80, result has 22.3 percent of original size [2021-06-05 08:51:35,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 59 [2021-06-05 08:51:35,662 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,747 INFO L354 Elim1Store]: treesize reduction 118, result has 18.1 percent of original size [2021-06-05 08:51:35,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 45 [2021-06-05 08:51:35,764 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,829 INFO L354 Elim1Store]: treesize reduction 84, result has 28.8 percent of original size [2021-06-05 08:51:35,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 40 treesize of output 53 [2021-06-05 08:51:35,831 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:35,901 INFO L354 Elim1Store]: treesize reduction 146, result has 20.2 percent of original size [2021-06-05 08:51:35,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 63 treesize of output 59 [2021-06-05 08:51:35,903 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:36,481 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2021-06-05 08:51:36,482 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.1 percent of original size [2021-06-05 08:51:36,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 4 dim-2 vars, End of recursive call: 36 dim-0 vars, and 16 xjuncts. [2021-06-05 08:51:36,510 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:1105, output treesize:827 [2021-06-05 08:51:37,149 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 167 [2021-06-05 08:51:42,473 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 215 DAG size of output: 190 [2021-06-05 08:51:45,500 INFO L446 ElimStorePlain]: Different costs {14=[v_prenex_180], 17=[v_prenex_179], 24=[v_prenex_183, v_prenex_186, v_prenex_191, v_prenex_181], 36=[|v_#memory_int_281|, v_prenex_189, v_prenex_182]} [2021-06-05 08:51:45,531 INFO L354 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2021-06-05 08:51:45,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 30 [2021-06-05 08:51:45,532 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:45,873 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 148 [2021-06-05 08:51:45,873 INFO L628 ElimStorePlain]: treesize reduction 207, result has 61.9 percent of original size [2021-06-05 08:51:45,913 INFO L354 Elim1Store]: treesize reduction 84, result has 18.4 percent of original size [2021-06-05 08:51:45,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 48 [2021-06-05 08:51:45,914 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:46,133 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 144 [2021-06-05 08:51:46,133 INFO L628 ElimStorePlain]: treesize reduction 4, result has 98.8 percent of original size [2021-06-05 08:51:46,196 INFO L354 Elim1Store]: treesize reduction 132, result has 25.4 percent of original size [2021-06-05 08:51:46,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 54 treesize of output 70 [2021-06-05 08:51:46,198 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:46,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:46,298 INFO L518 ElimStorePlain]: Eliminatee v_prenex_186 vanished before elimination [2021-06-05 08:51:46,340 INFO L354 Elim1Store]: treesize reduction 84, result has 28.8 percent of original size [2021-06-05 08:51:46,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 54 treesize of output 66 [2021-06-05 08:51:46,342 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:46,529 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2021-06-05 08:51:46,530 INFO L628 ElimStorePlain]: treesize reduction 4, result has 98.8 percent of original size [2021-06-05 08:51:46,530 INFO L518 ElimStorePlain]: Eliminatee v_prenex_181 vanished before elimination [2021-06-05 08:51:46,530 INFO L518 ElimStorePlain]: Eliminatee |v_#memory_int_281| vanished before elimination [2021-06-05 08:51:46,595 INFO L354 Elim1Store]: treesize reduction 172, result has 23.2 percent of original size [2021-06-05 08:51:46,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 80 [2021-06-05 08:51:46,597 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:46,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:46,742 INFO L354 Elim1Store]: treesize reduction 180, result has 18.6 percent of original size [2021-06-05 08:51:46,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 61 treesize of output 76 [2021-06-05 08:51:46,744 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:46,919 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-06-05 08:51:46,919 INFO L628 ElimStorePlain]: treesize reduction 4, result has 98.8 percent of original size [2021-06-05 08:51:46,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 28 dim-0 vars, 9 dim-2 vars, End of recursive call: 11 dim-0 vars, and 5 xjuncts. [2021-06-05 08:51:46,955 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 37 variables, input treesize:601, output treesize:263 [2021-06-05 08:51:47,176 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 84 [2021-06-05 08:51:47,269 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:51:47,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 42 [2021-06-05 08:51:47,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:51:47,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:51:47,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-06-05 08:51:47,296 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:48 [2021-06-05 08:51:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:51:47,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061776426] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:51:47,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:51:47,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [22] total 45 [2021-06-05 08:51:47,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932408451] [2021-06-05 08:51:47,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-05 08:51:47,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:51:47,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-05 08:51:47,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1923, Unknown=0, NotChecked=0, Total=2070 [2021-06-05 08:51:47,911 INFO L87 Difference]: Start difference. First operand 317514 states and 952660 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:51:50,726 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2021-06-05 08:51:50,959 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2021-06-05 08:51:51,338 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2021-06-05 08:51:51,664 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 64 [2021-06-05 08:51:54,758 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 198 [2021-06-05 08:51:57,293 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 258 DAG size of output: 149 [2021-06-05 08:51:57,626 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 123 [2021-06-05 08:51:58,004 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 129 [2021-06-05 08:52:11,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:52:11,966 INFO L93 Difference]: Finished difference Result 353956 states and 1059047 transitions. [2021-06-05 08:52:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-05 08:52:11,966 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:52:11,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:52:12,634 INFO L225 Difference]: With dead ends: 353956 [2021-06-05 08:52:12,634 INFO L226 Difference]: Without dead ends: 353956 [2021-06-05 08:52:12,635 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 72 SyntacticMatches, 23 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1622 ImplicationChecksByTransitivity, 16279.0ms TimeCoverageRelationStatistics Valid=309, Invalid=3981, Unknown=0, NotChecked=0, Total=4290 [2021-06-05 08:52:14,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353956 states. [2021-06-05 08:52:18,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353956 to 320588. [2021-06-05 08:52:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320588 states, 320585 states have (on average 3.000255782397804) internal successors, (961837), 320587 states have internal predecessors, (961837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320588 states to 320588 states and 961837 transitions. [2021-06-05 08:52:19,924 INFO L78 Accepts]: Start accepts. Automaton has 320588 states and 961837 transitions. Word has length 115 [2021-06-05 08:52:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:52:19,925 INFO L482 AbstractCegarLoop]: Abstraction has 320588 states and 961837 transitions. [2021-06-05 08:52:19,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 320588 states and 961837 transitions. [2021-06-05 08:52:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:52:20,000 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:52:20,000 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:52:20,200 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable271 [2021-06-05 08:52:20,201 INFO L430 AbstractCegarLoop]: === Iteration 36 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:52:20,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:52:20,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1808822508, now seen corresponding path program 5 times [2021-06-05 08:52:20,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:52:20,201 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242775235] [2021-06-05 08:52:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:52:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:52:20,993 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-06-05 08:52:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:52:21,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:52:21,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242775235] [2021-06-05 08:52:21,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242775235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:52:21,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575482020] [2021-06-05 08:52:21,222 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:52:21,333 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-05 08:52:21,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:52:21,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-05 08:52:21,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:52:21,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:52:21,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:21,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-06-05 08:52:21,367 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:52:21,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:52:21,368 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:21,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,372 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-06-05 08:52:21,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:52:21,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:21,610 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:52:21,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:52:21,611 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:21,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:52:21,625 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:44 [2021-06-05 08:52:21,803 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-06-05 08:52:21,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-06-05 08:52:21,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,819 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-06-05 08:52:21,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2021-06-05 08:52:21,821 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:21,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:21,844 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2021-06-05 08:52:21,844 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:74, output treesize:62 [2021-06-05 08:52:22,137 INFO L354 Elim1Store]: treesize reduction 39, result has 41.8 percent of original size [2021-06-05 08:52:22,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 41 [2021-06-05 08:52:22,138 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:22,151 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:52:22,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2021-06-05 08:52:22,152 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:22,164 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:52:22,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:52:22,165 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:22,225 INFO L628 ElimStorePlain]: treesize reduction 9, result has 91.9 percent of original size [2021-06-05 08:52:22,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2021-06-05 08:52:22,237 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:102, output treesize:80 [2021-06-05 08:52:22,778 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-06-05 08:52:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:52:22,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575482020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:52:22,983 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:52:22,983 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22] total 36 [2021-06-05 08:52:22,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514409680] [2021-06-05 08:52:22,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-05 08:52:22,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:52:22,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-05 08:52:22,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1230, Unknown=0, NotChecked=0, Total=1332 [2021-06-05 08:52:22,985 INFO L87 Difference]: Start difference. First operand 320588 states and 961837 transitions. Second operand has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:25,933 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2021-06-05 08:52:27,030 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-06-05 08:52:28,274 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2021-06-05 08:52:33,461 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-06-05 08:52:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:52:34,468 INFO L93 Difference]: Finished difference Result 370550 states and 1109041 transitions. [2021-06-05 08:52:34,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-05 08:52:34,469 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:52:34,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:52:35,173 INFO L225 Difference]: With dead ends: 370550 [2021-06-05 08:52:35,173 INFO L226 Difference]: Without dead ends: 370550 [2021-06-05 08:52:35,173 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 101 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 6406.4ms TimeCoverageRelationStatistics Valid=357, Invalid=3425, Unknown=0, NotChecked=0, Total=3782 [2021-06-05 08:52:36,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370550 states. [2021-06-05 08:52:41,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370550 to 322086. [2021-06-05 08:52:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322086 states, 322083 states have (on average 3.0007948261783453) internal successors, (966505), 322085 states have internal predecessors, (966505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322086 states to 322086 states and 966505 transitions. [2021-06-05 08:52:43,333 INFO L78 Accepts]: Start accepts. Automaton has 322086 states and 966505 transitions. Word has length 115 [2021-06-05 08:52:43,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:52:43,334 INFO L482 AbstractCegarLoop]: Abstraction has 322086 states and 966505 transitions. [2021-06-05 08:52:43,334 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 6.529411764705882) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:43,334 INFO L276 IsEmpty]: Start isEmpty. Operand 322086 states and 966505 transitions. [2021-06-05 08:52:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:52:43,408 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:52:43,408 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:52:43,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable468 [2021-06-05 08:52:43,609 INFO L430 AbstractCegarLoop]: === Iteration 37 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:52:43,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:52:43,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1639512232, now seen corresponding path program 6 times [2021-06-05 08:52:43,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:52:43,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743009052] [2021-06-05 08:52:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:52:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:52:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:52:43,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:52:43,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743009052] [2021-06-05 08:52:43,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743009052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:52:43,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586274674] [2021-06-05 08:52:43,877 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:52:43,990 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2021-06-05 08:52:43,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:52:43,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 87 conjunts are in the unsatisfiable core [2021-06-05 08:52:43,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:52:44,659 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-06-05 08:52:44,744 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:52:44,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2021-06-05 08:52:44,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:44,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:44,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:52:44,753 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:17 [2021-06-05 08:52:44,938 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:52:44,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:52:44,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:44,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:44,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:52:44,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:44,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:44,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:52:44,978 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:50 [2021-06-05 08:52:45,044 INFO L446 ElimStorePlain]: Different costs {5=[|v_#memory_int_288|], 11=[v_prenex_206]} [2021-06-05 08:52:45,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:52:45,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:45,081 INFO L628 ElimStorePlain]: treesize reduction 8, result has 88.4 percent of original size [2021-06-05 08:52:45,104 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-06-05 08:52:45,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 39 [2021-06-05 08:52:45,105 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:45,121 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:45,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:52:45,122 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:58 [2021-06-05 08:52:45,392 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:52:45,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:52:45,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:45,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:45,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:52:45,408 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:36 [2021-06-05 08:52:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:52:45,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586274674] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:52:45,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:52:45,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [22] total 39 [2021-06-05 08:52:45,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518953111] [2021-06-05 08:52:45,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 08:52:45,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:52:45,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 08:52:45,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1434, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 08:52:45,456 INFO L87 Difference]: Start difference. First operand 322086 states and 966505 transitions. Second operand has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:48,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:52:48,799 INFO L93 Difference]: Finished difference Result 387312 states and 1157999 transitions. [2021-06-05 08:52:48,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-05 08:52:48,800 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:52:48,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:52:50,033 INFO L225 Difference]: With dead ends: 387312 [2021-06-05 08:52:50,033 INFO L226 Difference]: Without dead ends: 387312 [2021-06-05 08:52:50,033 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1350.6ms TimeCoverageRelationStatistics Valid=283, Invalid=2797, Unknown=0, NotChecked=0, Total=3080 [2021-06-05 08:52:51,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387312 states. [2021-06-05 08:52:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387312 to 330636. [2021-06-05 08:52:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330636 states, 330633 states have (on average 2.9930799405987907) internal successors, (989611), 330635 states have internal predecessors, (989611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330636 states to 330636 states and 989611 transitions. [2021-06-05 08:52:57,778 INFO L78 Accepts]: Start accepts. Automaton has 330636 states and 989611 transitions. Word has length 115 [2021-06-05 08:52:57,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:52:57,779 INFO L482 AbstractCegarLoop]: Abstraction has 330636 states and 989611 transitions. [2021-06-05 08:52:57,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:52:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 330636 states and 989611 transitions. [2021-06-05 08:52:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:52:57,851 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:52:57,851 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:52:58,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable486 [2021-06-05 08:52:58,052 INFO L430 AbstractCegarLoop]: === Iteration 38 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:52:58,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:52:58,052 INFO L82 PathProgramCache]: Analyzing trace with hash -2013023194, now seen corresponding path program 7 times [2021-06-05 08:52:58,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:52:58,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34108229] [2021-06-05 08:52:58,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:52:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:52:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:52:58,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:52:58,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34108229] [2021-06-05 08:52:58,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34108229] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:52:58,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901910531] [2021-06-05 08:52:58,323 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:52:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:52:58,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-05 08:52:58,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:52:58,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-05 08:52:58,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:58,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,465 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2021-06-05 08:52:58,493 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:52:58,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 08:52:58,494 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:58,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,499 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2021-06-05 08:52:58,638 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:52:58,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2021-06-05 08:52:58,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:58,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,647 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:18 [2021-06-05 08:52:58,804 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:52:58,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:52:58,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:58,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:52:58,826 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:58,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:52:58,843 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:69, output treesize:52 [2021-06-05 08:52:58,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 08:52:58,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,924 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-06-05 08:52:58,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2021-06-05 08:52:58,925 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:58,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:58,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-05 08:52:58,946 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:66 [2021-06-05 08:52:59,690 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:52:59,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:52:59,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:52:59,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:52:59,703 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:52:59,703 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:25 [2021-06-05 08:52:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:52:59,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901910531] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:52:59,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:52:59,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [22] total 39 [2021-06-05 08:52:59,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642228754] [2021-06-05 08:52:59,796 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 08:52:59,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:52:59,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 08:52:59,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1441, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 08:52:59,797 INFO L87 Difference]: Start difference. First operand 330636 states and 989611 transitions. Second operand has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:01,306 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-06-05 08:53:03,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:53:03,699 INFO L93 Difference]: Finished difference Result 380488 states and 1136162 transitions. [2021-06-05 08:53:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-05 08:53:03,700 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:53:03,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:53:04,448 INFO L225 Difference]: With dead ends: 380488 [2021-06-05 08:53:04,448 INFO L226 Difference]: Without dead ends: 380488 [2021-06-05 08:53:04,449 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 1508.2ms TimeCoverageRelationStatistics Valid=285, Invalid=2907, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 08:53:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380488 states. [2021-06-05 08:53:10,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380488 to 331484. [2021-06-05 08:53:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331484 states, 331481 states have (on average 2.9930584256714563) internal successors, (992142), 331483 states have internal predecessors, (992142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331484 states to 331484 states and 992142 transitions. [2021-06-05 08:53:13,019 INFO L78 Accepts]: Start accepts. Automaton has 331484 states and 992142 transitions. Word has length 115 [2021-06-05 08:53:13,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:53:13,019 INFO L482 AbstractCegarLoop]: Abstraction has 331484 states and 992142 transitions. [2021-06-05 08:53:13,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 331484 states and 992142 transitions. [2021-06-05 08:53:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:53:13,099 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:53:13,099 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:53:13,314 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable493,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:53:13,314 INFO L430 AbstractCegarLoop]: === Iteration 39 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:53:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:53:13,315 INFO L82 PathProgramCache]: Analyzing trace with hash 657619878, now seen corresponding path program 8 times [2021-06-05 08:53:13,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:53:13,315 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354021665] [2021-06-05 08:53:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:53:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:53:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:53:13,587 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:53:13,587 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354021665] [2021-06-05 08:53:13,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354021665] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:53:13,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423977685] [2021-06-05 08:53:13,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:53:13,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-06-05 08:53:13,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:53:13,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 87 conjunts are in the unsatisfiable core [2021-06-05 08:53:13,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:53:13,857 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:53:13,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2021-06-05 08:53:13,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:13,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:13,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:53:13,865 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:17 [2021-06-05 08:53:14,024 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:53:14,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:53:14,025 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:14,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:14,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:53:14,046 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:14,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:14,063 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:53:14,063 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:50 [2021-06-05 08:53:14,128 INFO L446 ElimStorePlain]: Different costs {5=[v_prenex_212], 11=[|v_#memory_int_296|]} [2021-06-05 08:53:14,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:53:14,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:14,165 INFO L628 ElimStorePlain]: treesize reduction 8, result has 88.4 percent of original size [2021-06-05 08:53:14,187 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-06-05 08:53:14,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 39 [2021-06-05 08:53:14,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:14,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:14,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:53:14,205 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:58 [2021-06-05 08:53:14,405 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:53:14,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:53:14,407 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:14,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:14,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:53:14,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:36 [2021-06-05 08:53:15,431 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-05 08:53:16,455 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-05 08:53:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:53:16,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423977685] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:53:16,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:53:16,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [22] total 39 [2021-06-05 08:53:16,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365997472] [2021-06-05 08:53:16,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 08:53:16,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:53:16,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 08:53:16,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1440, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 08:53:16,464 INFO L87 Difference]: Start difference. First operand 331484 states and 992142 transitions. Second operand has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:24,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 08:53:24,518 INFO L93 Difference]: Finished difference Result 390254 states and 1165087 transitions. [2021-06-05 08:53:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-05 08:53:24,518 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-06-05 08:53:24,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 08:53:25,291 INFO L225 Difference]: With dead ends: 390254 [2021-06-05 08:53:25,291 INFO L226 Difference]: Without dead ends: 390254 [2021-06-05 08:53:25,292 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 3369.1ms TimeCoverageRelationStatistics Valid=281, Invalid=2911, Unknown=0, NotChecked=0, Total=3192 [2021-06-05 08:53:26,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390254 states. [2021-06-05 08:53:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390254 to 331104. [2021-06-05 08:53:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331104 states, 331101 states have (on average 2.993065560055693) internal successors, (991007), 331103 states have internal predecessors, (991007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331104 states to 331104 states and 991007 transitions. [2021-06-05 08:53:33,628 INFO L78 Accepts]: Start accepts. Automaton has 331104 states and 991007 transitions. Word has length 115 [2021-06-05 08:53:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 08:53:33,628 INFO L482 AbstractCegarLoop]: Abstraction has 331104 states and 991007 transitions. [2021-06-05 08:53:33,628 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 331104 states and 991007 transitions. [2021-06-05 08:53:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-06-05 08:53:33,703 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 08:53:33,704 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 08:53:33,905 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable496 [2021-06-05 08:53:33,905 INFO L430 AbstractCegarLoop]: === Iteration 40 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 08:53:33,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 08:53:33,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1547534418, now seen corresponding path program 9 times [2021-06-05 08:53:33,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 08:53:33,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504224765] [2021-06-05 08:53:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 08:53:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 08:53:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-05 08:53:34,179 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 08:53:34,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504224765] [2021-06-05 08:53:34,179 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504224765] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 08:53:34,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52794496] [2021-06-05 08:53:34,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 08:53:34,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-06-05 08:53:34,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-05 08:53:34,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 87 conjunts are in the unsatisfiable core [2021-06-05 08:53:34,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 08:53:34,448 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 08:53:34,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2021-06-05 08:53:34,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:34,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,455 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:17 [2021-06-05 08:53:34,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 08:53:34,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:34,635 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-06-05 08:53:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2021-06-05 08:53:34,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:34,653 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:53:34,653 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:50 [2021-06-05 08:53:34,718 INFO L446 ElimStorePlain]: Different costs {5=[v_prenex_217], 11=[|v_#memory_int_300|]} [2021-06-05 08:53:34,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-06-05 08:53:34,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,756 INFO L628 ElimStorePlain]: treesize reduction 8, result has 88.4 percent of original size [2021-06-05 08:53:34,778 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-06-05 08:53:34,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 39 [2021-06-05 08:53:34,780 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:34,796 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-06-05 08:53:34,796 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:80, output treesize:58 [2021-06-05 08:53:34,961 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-06-05 08:53:34,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-06-05 08:53:34,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 08:53:34,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 08:53:34,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-05 08:53:34,976 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:33 [2021-06-05 08:53:35,997 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-06-05 08:53:37,080 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-05 08:53:38,079 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-06-05 08:53:38,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 08:53:38,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52794496] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 08:53:38,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 08:53:38,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [22] total 39 [2021-06-05 08:53:38,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279575175] [2021-06-05 08:53:38,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-05 08:53:38,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 08:53:38,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-05 08:53:38,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1434, Unknown=0, NotChecked=0, Total=1560 [2021-06-05 08:53:38,089 INFO L87 Difference]: Start difference. First operand 331104 states and 991007 transitions. Second operand has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 08:53:42,247 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2021-06-05 08:53:44,246 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2021-06-05 08:53:46,188 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2021-06-05 08:53:48,129 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 44 DAG size of output: 31