/usr/bin/java -Xmx8000000000 -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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:08:28,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:08:28,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:08:28,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 22:08:28,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 22:08:28,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 22:08:28,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 22:08:28,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 22:08:28,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 22:08:28,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 22:08:28,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 22:08:28,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 22:08:28,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 22:08:28,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 22:08:28,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 22:08:28,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 22:08:28,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 22:08:28,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 22:08:28,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 22:08:28,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 22:08:28,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 22:08:28,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 22:08:28,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 22:08:28,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 22:08:28,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 22:08:28,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 22:08:28,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 22:08:28,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 22:08:28,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 22:08:28,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 22:08:28,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 22:08:28,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 22:08:28,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 22:08:28,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 22:08:28,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 22:08:28,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 22:08:28,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 22:08:28,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 22:08:28,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 22:08:28,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 22:08:28,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 22:08:28,310 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random521.epf [2021-07-14 22:08:28,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:08:28,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:08:28,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:08:28,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:08:28,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:08:28,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:08:28,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:08:28,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:08:28,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:08:28,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:08:28,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:08:28,333 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:08:28,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:08:28,333 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:08:28,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:08:28,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:08:28,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:08:28,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 22:08:28,569 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 22:08:28,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2021-07-14 22:08:28,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57e4d5ab/b7534359d3204bca861f2842a138654d/FLAG793240d7d [2021-07-14 22:08:28,968 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 22:08:28,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2021-07-14 22:08:28,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57e4d5ab/b7534359d3204bca861f2842a138654d/FLAG793240d7d [2021-07-14 22:08:29,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57e4d5ab/b7534359d3204bca861f2842a138654d [2021-07-14 22:08:29,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:08:29,357 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 22:08:29,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 22:08:29,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 22:08:29,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 22:08:29,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474fe504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29, skipping insertion in model container [2021-07-14 22:08:29,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 22:08:29,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 22:08:29,618 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/28_buggy_simple_loop1_vf.i[30287,30300] [2021-07-14 22:08:29,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 22:08:29,641 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 22:08:29,688 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/28_buggy_simple_loop1_vf.i[30287,30300] [2021-07-14 22:08:29,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 22:08:29,720 INFO L208 MainTranslator]: Completed translation [2021-07-14 22:08:29,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29 WrapperNode [2021-07-14 22:08:29,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 22:08:29,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:08:29,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:08:29,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:08:29,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:08:29,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:08:29,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:08:29,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:08:29,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (1/1) ... [2021-07-14 22:08:29,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:08:29,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:08:29,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:08:29,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:08:29,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (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 [2021-07-14 22:08:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-07-14 22:08:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-07-14 22:08:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 22:08:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 22:08:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 22:08:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 22:08:29,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:08:29,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:08:29,841 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 22:08:30,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:08:30,160 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 22:08:30,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:08:30 BoogieIcfgContainer [2021-07-14 22:08:30,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:08:30,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:08:30,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:08:30,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:08:30,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 10:08:29" (1/3) ... [2021-07-14 22:08:30,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9ebde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:08:30, skipping insertion in model container [2021-07-14 22:08:30,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 10:08:29" (2/3) ... [2021-07-14 22:08:30,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9ebde4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:08:30, skipping insertion in model container [2021-07-14 22:08:30,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:08:30" (3/3) ... [2021-07-14 22:08:30,166 INFO L111 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2021-07-14 22:08:30,170 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:08:30,170 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:08:30,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:08:30,171 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:08:30,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 22:08:30,233 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 22:08:30,265 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 22:08:30,298 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:08:30,299 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:08:30,299 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:08:30,299 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:08:30,299 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:08:30,299 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:08:30,299 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:08:30,299 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-07-14 22:08:30,404 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:30,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1076493311, now seen corresponding path program 1 times [2021-07-14 22:08:30,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:30,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675113611] [2021-07-14 22:08:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 22:08:30,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:30,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675113611] [2021-07-14 22:08:30,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675113611] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:08:30,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:08:30,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 22:08:30,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176669958] [2021-07-14 22:08:30,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 22:08:30,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:30,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 22:08:30,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 22:08:30,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:30,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:30,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-07-14 22:08:30,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:08:30,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 22:08:30,758 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:30,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:30,758 INFO L82 PathProgramCache]: Analyzing trace with hash -332872156, now seen corresponding path program 1 times [2021-07-14 22:08:30,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:30,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228568975] [2021-07-14 22:08:30,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-14 22:08:30,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:30,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228568975] [2021-07-14 22:08:30,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228568975] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:08:30,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 22:08:30,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 22:08:30,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858843110] [2021-07-14 22:08:30,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:08:30,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:30,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:08:30,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:08:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:30,887 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:30,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-07-14 22:08:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 22:08:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:31,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:31,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:31,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 22:08:31,106 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:31,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:31,108 INFO L82 PathProgramCache]: Analyzing trace with hash -661646341, now seen corresponding path program 1 times [2021-07-14 22:08:31,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:31,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567050955] [2021-07-14 22:08:31,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 22:08:31,217 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:31,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567050955] [2021-07-14 22:08:31,217 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567050955] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:31,217 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585528465] [2021-07-14 22:08:31,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 22:08:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:31,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 22:08:31,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-14 22:08:31,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585528465] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:31,496 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:31,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-07-14 22:08:31,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328503033] [2021-07-14 22:08:31,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 22:08:31,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:31,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 22:08:31,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 22:08:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:31,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:31,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-07-14 22:08:31,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:31,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:31,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:31,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:31,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:31,841 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:31,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:31,842 INFO L82 PathProgramCache]: Analyzing trace with hash 169639337, now seen corresponding path program 1 times [2021-07-14 22:08:31,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:31,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881985956] [2021-07-14 22:08:31,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:32,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:32,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881985956] [2021-07-14 22:08:32,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881985956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:32,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308216482] [2021-07-14 22:08:32,291 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 [2021-07-14 22:08:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:32,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 22:08:32,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:32,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308216482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:32,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:32,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2021-07-14 22:08:32,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31663031] [2021-07-14 22:08:32,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 22:08:32,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:32,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 22:08:32,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2021-07-14 22:08:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:32,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:32,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 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) [2021-07-14 22:08:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:32,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:33,010 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:33,011 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:33,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:33,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1851279663, now seen corresponding path program 1 times [2021-07-14 22:08:33,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:33,011 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844951652] [2021-07-14 22:08:33,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 22:08:33,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:33,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844951652] [2021-07-14 22:08:33,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844951652] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:33,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257921192] [2021-07-14 22:08:33,123 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 [2021-07-14 22:08:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:33,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 22:08:33,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:33,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257921192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:33,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:33,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15] total 18 [2021-07-14 22:08:33,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122310456] [2021-07-14 22:08:33,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 22:08:33,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:33,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 22:08:33,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2021-07-14 22:08:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:33,510 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:33,510 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 18 states have internal predecessors, (78), 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) [2021-07-14 22:08:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:33,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:33,875 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:33,875 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:33,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:33,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1681640870, now seen corresponding path program 2 times [2021-07-14 22:08:33,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:33,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274606487] [2021-07-14 22:08:33,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 22:08:34,059 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:34,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274606487] [2021-07-14 22:08:34,059 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274606487] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:34,059 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666934572] [2021-07-14 22:08:34,060 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 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 [2021-07-14 22:08:34,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:08:34,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:08:34,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 22:08:34,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:34,317 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 22:08:34,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666934572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:34,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:34,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 16 [2021-07-14 22:08:34,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542798580] [2021-07-14 22:08:34,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 22:08:34,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:34,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 22:08:34,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2021-07-14 22:08:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:34,319 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:34,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.9375) internal successors, (79), 16 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) [2021-07-14 22:08:34,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:34,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:34,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:34,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:34,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:34,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:34,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 22:08:34,715 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:34,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:34,716 INFO L82 PathProgramCache]: Analyzing trace with hash 998854469, now seen corresponding path program 3 times [2021-07-14 22:08:34,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:34,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288047270] [2021-07-14 22:08:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 22:08:34,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:34,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288047270] [2021-07-14 22:08:34,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288047270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:34,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900222862] [2021-07-14 22:08:34,876 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 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 [2021-07-14 22:08:34,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 22:08:34,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:08:34,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 22:08:34,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-07-14 22:08:35,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900222862] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 22:08:35,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 22:08:35,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2021-07-14 22:08:35,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964287074] [2021-07-14 22:08:35,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 22:08:35,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:35,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 22:08:35,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-07-14 22:08:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:35,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:35,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:35,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:35,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:35,597 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:35,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:35,597 INFO L82 PathProgramCache]: Analyzing trace with hash -47105016, now seen corresponding path program 2 times [2021-07-14 22:08:35,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:35,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736308476] [2021-07-14 22:08:35,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:36,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:36,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736308476] [2021-07-14 22:08:36,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736308476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:36,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050346336] [2021-07-14 22:08:36,035 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 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 [2021-07-14 22:08:36,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:08:36,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:08:36,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 22:08:36,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:36,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050346336] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:36,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:36,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-07-14 22:08:36,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888858582] [2021-07-14 22:08:36,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 22:08:36,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:36,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 22:08:36,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=822, Unknown=0, NotChecked=0, Total=930 [2021-07-14 22:08:36,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:36,607 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:36,607 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 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) [2021-07-14 22:08:36,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:36,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:37,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:38,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:38,084 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:38,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1710440281, now seen corresponding path program 3 times [2021-07-14 22:08:38,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:38,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765573605] [2021-07-14 22:08:38,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:38,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:38,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765573605] [2021-07-14 22:08:38,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765573605] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:38,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357957975] [2021-07-14 22:08:38,700 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 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 [2021-07-14 22:08:38,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 22:08:38,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:08:38,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 22:08:38,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:39,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357957975] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:39,918 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:39,918 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24] total 44 [2021-07-14 22:08:39,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459599526] [2021-07-14 22:08:39,919 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 22:08:39,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:39,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 22:08:39,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1747, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 22:08:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:39,920 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:39,920 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.840909090909091) internal successors, (125), 44 states have internal predecessors, (125), 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) [2021-07-14 22:08:39,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:39,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:39,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:39,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:39,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:39,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:39,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:39,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:39,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:08:41,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 22:08:41,898 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:41,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:41,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1835137926, now seen corresponding path program 4 times [2021-07-14 22:08:41,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:41,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232831996] [2021-07-14 22:08:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 3 proven. 280 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:42,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:42,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232831996] [2021-07-14 22:08:42,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232831996] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:42,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654554828] [2021-07-14 22:08:42,665 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 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 [2021-07-14 22:08:42,819 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:08:42,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:08:42,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 22:08:42,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 3 proven. 280 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:43,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654554828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:43,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:43,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 34 [2021-07-14 22:08:43,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326695682] [2021-07-14 22:08:43,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 22:08:43,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:43,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 22:08:43,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1039, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 22:08:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:43,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:43,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 3.176470588235294) internal successors, (108), 34 states have internal predecessors, (108), 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) [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:08:43,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:08:45,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:08:45,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:45,929 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:45,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:45,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1224221531, now seen corresponding path program 5 times [2021-07-14 22:08:45,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:45,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113781522] [2021-07-14 22:08:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:46,906 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 3 proven. 481 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:46,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:46,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113781522] [2021-07-14 22:08:46,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113781522] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:46,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44156118] [2021-07-14 22:08:46,907 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 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 [2021-07-14 22:08:52,882 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-07-14 22:08:52,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:08:52,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 22:08:52,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:08:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 3 proven. 481 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:54,526 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44156118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:54,526 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:08:54,526 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 66 [2021-07-14 22:08:54,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679585827] [2021-07-14 22:08:54,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-14 22:08:54,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:08:54,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-14 22:08:54,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=4083, Unknown=0, NotChecked=0, Total=4290 [2021-07-14 22:08:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:54,528 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:08:54,528 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 2.984848484848485) internal successors, (197), 66 states have internal predecessors, (197), 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) [2021-07-14 22:08:54,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:54,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:08:54,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:08:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:08:57,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:08:58,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:08:58,118 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:08:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:08:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1761170436, now seen corresponding path program 6 times [2021-07-14 22:08:58,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:08:58,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474937228] [2021-07-14 22:08:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:08:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:08:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 3 proven. 736 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:08:59,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:08:59,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474937228] [2021-07-14 22:08:59,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474937228] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:08:59,459 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612778948] [2021-07-14 22:08:59,459 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 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 [2021-07-14 22:09:04,134 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-07-14 22:09:04,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:09:04,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-14 22:09:04,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:09:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 3 proven. 736 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:07,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612778948] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:07,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:09:07,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 44] total 82 [2021-07-14 22:09:07,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338263435] [2021-07-14 22:09:07,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-14 22:09:07,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:09:07,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-14 22:09:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=6375, Unknown=0, NotChecked=0, Total=6642 [2021-07-14 22:09:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:07,051 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:09:07,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.841463414634146) internal successors, (233), 82 states have internal predecessors, (233), 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) [2021-07-14 22:09:07,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:07,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:07,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:07,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:07,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:09:12,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 22:09:12,384 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:09:12,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:09:12,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1716867491, now seen corresponding path program 7 times [2021-07-14 22:09:12,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:09:12,385 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789418391] [2021-07-14 22:09:12,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:09:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:09:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 3 proven. 1045 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:13,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:09:13,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789418391] [2021-07-14 22:09:13,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789418391] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:13,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683327840] [2021-07-14 22:09:13,972 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 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 [2021-07-14 22:09:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:09:14,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 91 conjunts are in the unsatisfiable core [2021-07-14 22:09:14,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:09:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 3 proven. 1045 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:17,423 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683327840] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:17,423 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:09:17,423 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 49] total 93 [2021-07-14 22:09:17,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191629455] [2021-07-14 22:09:17,423 INFO L462 AbstractCegarLoop]: Interpolant automaton has 93 states [2021-07-14 22:09:17,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:09:17,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2021-07-14 22:09:17,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=8261, Unknown=0, NotChecked=0, Total=8556 [2021-07-14 22:09:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:17,425 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:09:17,426 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 93 states, 93 states have (on average 2.89247311827957) internal successors, (269), 93 states have internal predecessors, (269), 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) [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:09:17,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:09:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:09:23,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 22:09:23,503 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:09:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:09:23,503 INFO L82 PathProgramCache]: Analyzing trace with hash 39765378, now seen corresponding path program 8 times [2021-07-14 22:09:23,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:09:23,504 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55637963] [2021-07-14 22:09:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:09:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:09:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 1408 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:25,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:09:25,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55637963] [2021-07-14 22:09:25,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55637963] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:25,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706702965] [2021-07-14 22:09:25,444 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 [2021-07-14 22:09:25,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 22:09:25,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:09:25,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 99 conjunts are in the unsatisfiable core [2021-07-14 22:09:25,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:09:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 1408 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:29,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706702965] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:29,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:09:29,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 53] total 103 [2021-07-14 22:09:29,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972184489] [2021-07-14 22:09:29,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 103 states [2021-07-14 22:09:29,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:09:29,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2021-07-14 22:09:29,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=10186, Unknown=0, NotChecked=0, Total=10506 [2021-07-14 22:09:29,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:29,521 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:09:29,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 103 states, 103 states have (on average 2.9611650485436893) internal successors, (305), 103 states have internal predecessors, (305), 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) [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:09:29,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:09:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 22:09:37,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 22:09:37,151 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:09:37,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:09:37,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1082351711, now seen corresponding path program 9 times [2021-07-14 22:09:37,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:09:37,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910570442] [2021-07-14 22:09:37,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:09:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:09:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 3 proven. 1825 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:39,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:09:39,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910570442] [2021-07-14 22:09:39,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910570442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:39,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354315046] [2021-07-14 22:09:39,403 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 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 [2021-07-14 22:09:54,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-07-14 22:09:54,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:09:54,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 22:09:54,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:09:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 3 proven. 1825 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:09:58,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354315046] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:09:58,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:09:58,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 59] total 115 [2021-07-14 22:09:58,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986525009] [2021-07-14 22:09:58,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 115 states [2021-07-14 22:09:58,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:09:58,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2021-07-14 22:09:58,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=12754, Unknown=0, NotChecked=0, Total=13110 [2021-07-14 22:09:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:09:58,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:09:58,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 115 states, 115 states have (on average 2.965217391304348) internal successors, (341), 115 states have internal predecessors, (341), 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) [2021-07-14 22:09:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:09:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:09:58,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 22:09:58,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:10:07,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:10:07,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:10:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 22:10:07,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-07-14 22:10:08,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 22:10:08,129 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:10:08,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:10:08,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1312411648, now seen corresponding path program 10 times [2021-07-14 22:10:08,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:10:08,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239766131] [2021-07-14 22:10:08,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:10:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:10:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 3 proven. 2296 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:10:10,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:10:10,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239766131] [2021-07-14 22:10:10,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239766131] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:10:10,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754785185] [2021-07-14 22:10:10,852 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 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 [2021-07-14 22:10:11,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 22:10:11,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 22:10:11,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 122 conjunts are in the unsatisfiable core [2021-07-14 22:10:11,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 22:10:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 3 proven. 2296 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:10:11,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754785185] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:10:11,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 22:10:11,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 63] total 70 [2021-07-14 22:10:11,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625222887] [2021-07-14 22:10:11,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-14 22:10:11,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 22:10:11,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-14 22:10:11,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=4675, Unknown=0, NotChecked=0, Total=4830 [2021-07-14 22:10:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:10:11,887 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 22:10:11,887 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 3.085714285714286) internal successors, (216), 70 states have internal predecessors, (216), 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) [2021-07-14 22:10:11,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:10:11,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:11,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:10:11,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:11,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-07-14 22:10:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 22:10:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 22:10:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 22:10:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 22:10:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-07-14 22:10:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-14 22:10:22,915 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-14 22:10:22,917 INFO L430 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 22:10:22,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 22:10:22,918 INFO L82 PathProgramCache]: Analyzing trace with hash -867875169, now seen corresponding path program 11 times [2021-07-14 22:10:22,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 22:10:22,918 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068085829] [2021-07-14 22:10:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 22:10:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 22:10:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 3 proven. 2821 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 22:10:26,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 22:10:26,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068085829] [2021-07-14 22:10:26,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068085829] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 22:10:26,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423724584] [2021-07-14 22:10:26,255 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 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 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown