/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 22:35:29,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 22:35:29,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 22:35:29,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 22:35:29,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 22:35:29,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 22:35:29,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 22:35:29,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 22:35:29,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 22:35:29,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 22:35:29,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 22:35:29,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 22:35:29,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 22:35:29,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 22:35:29,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 22:35:29,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 22:35:29,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 22:35:29,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 22:35:29,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 22:35:29,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 22:35:29,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2021-05-21 22:35:30,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 22:35:30,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 22:35:30,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 22:35:30,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 22:35:30,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 22:35:30,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 22:35:30,028 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 22:35:30,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 22:35:30,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 22:35:30,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 22:35:30,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 22:35:30,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 22:35:30,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 22:35:30,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 22:35:30,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 22:35:30,030 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 22:35:30,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 22:35:30,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 22:35:30,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 22:35:30,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 22:35:30,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 22:35:30,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 22:35:30,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 22:35:30,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 22:35:30,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 22:35:30,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 22:35:30,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 22:35:30,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 22:35:30,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 22:35:30,032 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 22:35:30,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 22:35:30,032 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-21 22:35:30,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 22:35:30,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 22:35:30,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 22:35:30,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 22:35:30,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 22:35:30,353 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 22:35:30,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2021-05-21 22:35:30,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa1c9edd9/5c8d51ec416d43888d2453c8edf74556/FLAGa45eef8f7 [2021-05-21 22:35:31,011 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 22:35:31,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/45_monabsex1_vs.i [2021-05-21 22:35:31,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa1c9edd9/5c8d51ec416d43888d2453c8edf74556/FLAGa45eef8f7 [2021-05-21 22:35:31,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa1c9edd9/5c8d51ec416d43888d2453c8edf74556 [2021-05-21 22:35:31,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 22:35:31,249 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 22:35:31,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 22:35:31,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 22:35:31,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 22:35:31,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6426e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31, skipping insertion in model container [2021-05-21 22:35:31,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 22:35:31,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 22:35:31,433 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-21 22:35:31,514 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/45_monabsex1_vs.i[30633,30646] [2021-05-21 22:35:31,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 22:35:31,573 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 22:35:31,597 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-05-21 22:35:31,612 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/45_monabsex1_vs.i[30633,30646] [2021-05-21 22:35:31,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 22:35:31,681 INFO L208 MainTranslator]: Completed translation [2021-05-21 22:35:31,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31 WrapperNode [2021-05-21 22:35:31,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 22:35:31,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 22:35:31,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 22:35:31,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 22:35:31,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 22:35:31,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 22:35:31,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 22:35:31,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 22:35:31,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (1/1) ... [2021-05-21 22:35:31,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 22:35:31,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 22:35:31,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 22:35:31,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 22:35:31,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (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 [2021-05-21 22:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-05-21 22:35:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-05-21 22:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 22:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-05-21 22:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 22:35:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 22:35:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 22:35:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-05-21 22:35:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 22:35:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 22:35:31,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 22:35:32,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 22:35:32,212 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-05-21 22:35:32,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 10:35:32 BoogieIcfgContainer [2021-05-21 22:35:32,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 22:35:32,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 22:35:32,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 22:35:32,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 22:35:32,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 10:35:31" (1/3) ... [2021-05-21 22:35:32,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbcb382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 10:35:32, skipping insertion in model container [2021-05-21 22:35:32,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 10:35:31" (2/3) ... [2021-05-21 22:35:32,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbcb382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 10:35:32, skipping insertion in model container [2021-05-21 22:35:32,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 10:35:32" (3/3) ... [2021-05-21 22:35:32,221 INFO L111 eAbstractionObserver]: Analyzing ICFG 45_monabsex1_vs.i [2021-05-21 22:35:32,226 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 22:35:32,227 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 22:35:32,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 22:35:32,227 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 22:35:32,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,264 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 22:35:32,285 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 22:35:32,311 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:32,312 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:32,312 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:32,312 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:32,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:32,313 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:32,313 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:32,313 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:35:32,325 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 81 flow [2021-05-21 22:35:32,356 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 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) [2021-05-21 22:35:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 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) [2021-05-21 22:35:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-21 22:35:32,370 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:32,371 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:32,371 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:32,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:32,376 INFO L82 PathProgramCache]: Analyzing trace with hash 43837896, now seen corresponding path program 1 times [2021-05-21 22:35:32,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:32,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041583008] [2021-05-21 22:35:32,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:35:32,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:32,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041583008] [2021-05-21 22:35:32,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041583008] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:32,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:32,597 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:35:32,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035082928] [2021-05-21 22:35:32,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:35:32,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:32,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:35:32,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:32,617 INFO L87 Difference]: Start difference. First operand has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:35:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:32,658 INFO L93 Difference]: Finished difference Result 99 states and 161 transitions. [2021-05-21 22:35:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:35:32,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-05-21 22:35:32,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:32,664 INFO L225 Difference]: With dead ends: 99 [2021-05-21 22:35:32,665 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 22:35:32,666 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 22:35:32,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 22:35:32,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:35:32,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 22:35:32,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-05-21 22:35:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:32,686 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 22:35:32,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:35:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 22:35:32,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:35:32,687 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 22:35:32,689 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 22:35:32,692 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 22:35:32,702 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:32,702 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:32,702 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:32,703 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:32,703 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:32,703 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:32,703 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:32,704 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:35:32,706 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 81 flow [2021-05-21 22:35:32,709 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 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) [2021-05-21 22:35:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 166 states have internal predecessors, (298), 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) [2021-05-21 22:35:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-21 22:35:32,711 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:32,712 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:32,712 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-21 22:35:32,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:32,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1393201750, now seen corresponding path program 1 times [2021-05-21 22:35:32,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:32,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476225313] [2021-05-21 22:35:32,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:35:32,750 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:35:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:35:32,781 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:35:32,813 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 22:35:32,813 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 22:35:32,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 22:35:32,814 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-21 22:35:32,814 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 22:35:32,814 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-05-21 22:35:32,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:32,849 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 22:35:32,850 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-05-21 22:35:32,853 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:32,853 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:32,853 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:32,853 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:32,853 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:32,853 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:32,853 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:32,853 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:35:32,858 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 49 transitions, 110 flow [2021-05-21 22:35:32,921 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 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) [2021-05-21 22:35:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 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) [2021-05-21 22:35:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-21 22:35:32,931 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:32,931 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:32,931 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:32,933 INFO L82 PathProgramCache]: Analyzing trace with hash -276500888, now seen corresponding path program 1 times [2021-05-21 22:35:32,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:32,933 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783360468] [2021-05-21 22:35:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:35:32,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:32,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783360468] [2021-05-21 22:35:32,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783360468] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:32,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:32,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:35:32,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520827159] [2021-05-21 22:35:32,991 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:35:32,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:32,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:35:32,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:32,997 INFO L87 Difference]: Start difference. First operand has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:35:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:33,054 INFO L93 Difference]: Finished difference Result 1169 states and 3009 transitions. [2021-05-21 22:35:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:35:33,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-05-21 22:35:33,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:33,069 INFO L225 Difference]: With dead ends: 1169 [2021-05-21 22:35:33,070 INFO L226 Difference]: Without dead ends: 857 [2021-05-21 22:35:33,070 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-05-21 22:35:33,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 809. [2021-05-21 22:35:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 806 states have (on average 2.5285359801488836) internal successors, (2038), 808 states have internal predecessors, (2038), 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) [2021-05-21 22:35:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 2038 transitions. [2021-05-21 22:35:33,139 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 2038 transitions. Word has length 26 [2021-05-21 22:35:33,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:33,139 INFO L482 AbstractCegarLoop]: Abstraction has 809 states and 2038 transitions. [2021-05-21 22:35:33,140 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:35:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2038 transitions. [2021-05-21 22:35:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-21 22:35:33,141 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:33,142 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:33,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 22:35:33,142 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:33,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:33,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1212738903, now seen corresponding path program 1 times [2021-05-21 22:35:33,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:33,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911479233] [2021-05-21 22:35:33,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:35:33,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:33,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911479233] [2021-05-21 22:35:33,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911479233] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:33,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:33,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:35:33,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411706903] [2021-05-21 22:35:33,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:35:33,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:33,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:35:33,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:33,174 INFO L87 Difference]: Start difference. First operand 809 states and 2038 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-05-21 22:35:33,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:33,194 INFO L93 Difference]: Finished difference Result 769 states and 1891 transitions. [2021-05-21 22:35:33,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:35:33,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-05-21 22:35:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:33,197 INFO L225 Difference]: With dead ends: 769 [2021-05-21 22:35:33,197 INFO L226 Difference]: Without dead ends: 580 [2021-05-21 22:35:33,198 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:33,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-05-21 22:35:33,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2021-05-21 22:35:33,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 578 states have (on average 2.4048442906574397) internal successors, (1390), 579 states have internal predecessors, (1390), 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) [2021-05-21 22:35:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1390 transitions. [2021-05-21 22:35:33,217 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1390 transitions. Word has length 33 [2021-05-21 22:35:33,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:33,218 INFO L482 AbstractCegarLoop]: Abstraction has 580 states and 1390 transitions. [2021-05-21 22:35:33,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-05-21 22:35:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1390 transitions. [2021-05-21 22:35:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:35:33,220 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:33,220 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:33,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 22:35:33,220 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:33,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:33,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1649243368, now seen corresponding path program 1 times [2021-05-21 22:35:33,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:33,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314230584] [2021-05-21 22:35:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-05-21 22:35:33,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:33,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314230584] [2021-05-21 22:35:33,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314230584] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:33,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:33,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:33,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406758432] [2021-05-21 22:35:33,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:33,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:33,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:33,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:33,268 INFO L87 Difference]: Start difference. First operand 580 states and 1390 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:35:33,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:33,331 INFO L93 Difference]: Finished difference Result 668 states and 1547 transitions. [2021-05-21 22:35:33,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:33,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-05-21 22:35:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:33,334 INFO L225 Difference]: With dead ends: 668 [2021-05-21 22:35:33,334 INFO L226 Difference]: Without dead ends: 486 [2021-05-21 22:35:33,334 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:33,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-05-21 22:35:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2021-05-21 22:35:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 484 states have (on average 2.3388429752066116) internal successors, (1132), 485 states have internal predecessors, (1132), 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) [2021-05-21 22:35:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 1132 transitions. [2021-05-21 22:35:33,346 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 1132 transitions. Word has length 39 [2021-05-21 22:35:33,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:33,346 INFO L482 AbstractCegarLoop]: Abstraction has 486 states and 1132 transitions. [2021-05-21 22:35:33,347 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:35:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1132 transitions. [2021-05-21 22:35:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:35:33,348 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:33,348 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:33,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 22:35:33,348 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:33,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:33,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1552157608, now seen corresponding path program 2 times [2021-05-21 22:35:33,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:33,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425493302] [2021-05-21 22:35:33,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:35:33,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:33,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425493302] [2021-05-21 22:35:33,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425493302] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:33,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:33,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:33,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476820301] [2021-05-21 22:35:33,401 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:33,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:33,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:33,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:33,402 INFO L87 Difference]: Start difference. First operand 486 states and 1132 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-05-21 22:35:33,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:33,437 INFO L93 Difference]: Finished difference Result 430 states and 979 transitions. [2021-05-21 22:35:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-21 22:35:33,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-05-21 22:35:33,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:33,438 INFO L225 Difference]: With dead ends: 430 [2021-05-21 22:35:33,438 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 22:35:33,438 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-05-21 22:35:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 22:35:33,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 22:35:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:35:33,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 22:35:33,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-05-21 22:35:33,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:33,439 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 22:35:33,439 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-05-21 22:35:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 22:35:33,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:35:33,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 22:35:33,440 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 22:35:33,440 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 22:35:33,441 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:33,441 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:33,441 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:33,441 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:33,441 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:33,441 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:33,441 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:33,441 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:35:33,442 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 49 transitions, 110 flow [2021-05-21 22:35:33,486 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 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) [2021-05-21 22:35:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 1729 states, 1718 states have (on average 2.7479627473806754) internal successors, (4721), 1728 states have internal predecessors, (4721), 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) [2021-05-21 22:35:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-21 22:35:33,491 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:33,491 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:33,491 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-21 22:35:33,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:33,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1645188757, now seen corresponding path program 1 times [2021-05-21 22:35:33,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:33,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269158042] [2021-05-21 22:35:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:35:33,502 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:35:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:35:33,509 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:35:33,514 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 22:35:33,514 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 22:35:33,515 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 22:35:33,515 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-21 22:35:33,515 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 22:35:33,515 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-05-21 22:35:33,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,527 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,534 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:33,537 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 22:35:33,537 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-05-21 22:35:33,538 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:33,538 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:33,538 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:33,538 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:33,539 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:33,539 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:33,539 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:33,539 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:35:33,540 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 60 transitions, 141 flow [2021-05-21 22:35:35,013 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 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) [2021-05-21 22:35:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 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) [2021-05-21 22:35:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-21 22:35:35,060 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:35,060 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:35,061 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:35,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1894961310, now seen corresponding path program 1 times [2021-05-21 22:35:35,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:35,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057552395] [2021-05-21 22:35:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:35:35,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:35,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057552395] [2021-05-21 22:35:35,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057552395] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:35,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:35,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:35:35,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582708792] [2021-05-21 22:35:35,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:35:35,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:35,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:35:35,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:35,226 INFO L87 Difference]: Start difference. First operand has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:35:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:35,468 INFO L93 Difference]: Finished difference Result 14114 states and 49167 transitions. [2021-05-21 22:35:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:35:35,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-05-21 22:35:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:35,609 INFO L225 Difference]: With dead ends: 14114 [2021-05-21 22:35:35,609 INFO L226 Difference]: Without dead ends: 13178 [2021-05-21 22:35:35,609 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13178 states. [2021-05-21 22:35:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13178 to 11249. [2021-05-21 22:35:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11249 states, 11242 states have (on average 3.5065824586372534) internal successors, (39421), 11248 states have internal predecessors, (39421), 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) [2021-05-21 22:35:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11249 states to 11249 states and 39421 transitions. [2021-05-21 22:35:36,187 INFO L78 Accepts]: Start accepts. Automaton has 11249 states and 39421 transitions. Word has length 26 [2021-05-21 22:35:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:36,187 INFO L482 AbstractCegarLoop]: Abstraction has 11249 states and 39421 transitions. [2021-05-21 22:35:36,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:35:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11249 states and 39421 transitions. [2021-05-21 22:35:36,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-21 22:35:36,188 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:36,188 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:36,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 22:35:36,188 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:36,189 INFO L82 PathProgramCache]: Analyzing trace with hash 144001721, now seen corresponding path program 1 times [2021-05-21 22:35:36,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:36,189 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272947037] [2021-05-21 22:35:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:35:36,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:36,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272947037] [2021-05-21 22:35:36,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272947037] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:36,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:36,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:35:36,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669886349] [2021-05-21 22:35:36,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:35:36,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:36,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:35:36,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:36,207 INFO L87 Difference]: Start difference. First operand 11249 states and 39421 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-05-21 22:35:36,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:36,342 INFO L93 Difference]: Finished difference Result 12794 states and 43933 transitions. [2021-05-21 22:35:36,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:35:36,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-05-21 22:35:36,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:36,390 INFO L225 Difference]: With dead ends: 12794 [2021-05-21 22:35:36,390 INFO L226 Difference]: Without dead ends: 12290 [2021-05-21 22:35:36,390 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12290 states. [2021-05-21 22:35:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12290 to 10910. [2021-05-21 22:35:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10910 states, 10903 states have (on average 3.454737228285793) internal successors, (37667), 10909 states have internal predecessors, (37667), 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) [2021-05-21 22:35:37,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10910 states to 10910 states and 37667 transitions. [2021-05-21 22:35:37,064 INFO L78 Accepts]: Start accepts. Automaton has 10910 states and 37667 transitions. Word has length 33 [2021-05-21 22:35:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:37,064 INFO L482 AbstractCegarLoop]: Abstraction has 10910 states and 37667 transitions. [2021-05-21 22:35:37,064 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-05-21 22:35:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 10910 states and 37667 transitions. [2021-05-21 22:35:37,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:35:37,066 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:37,066 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:37,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-21 22:35:37,067 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:37,067 INFO L82 PathProgramCache]: Analyzing trace with hash -966309070, now seen corresponding path program 1 times [2021-05-21 22:35:37,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:37,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546866139] [2021-05-21 22:35:37,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-21 22:35:37,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:37,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546866139] [2021-05-21 22:35:37,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546866139] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:37,098 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:37,098 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:37,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610453670] [2021-05-21 22:35:37,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:37,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:37,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:37,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:37,099 INFO L87 Difference]: Start difference. First operand 10910 states and 37667 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:35:37,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:37,393 INFO L93 Difference]: Finished difference Result 16186 states and 54189 transitions. [2021-05-21 22:35:37,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:37,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-05-21 22:35:37,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:37,493 INFO L225 Difference]: With dead ends: 16186 [2021-05-21 22:35:37,493 INFO L226 Difference]: Without dead ends: 15682 [2021-05-21 22:35:37,494 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15682 states. [2021-05-21 22:35:37,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15682 to 11074. [2021-05-21 22:35:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11074 states, 11067 states have (on average 3.4551368934670643) internal successors, (38238), 11073 states have internal predecessors, (38238), 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) [2021-05-21 22:35:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11074 states to 11074 states and 38238 transitions. [2021-05-21 22:35:37,907 INFO L78 Accepts]: Start accepts. Automaton has 11074 states and 38238 transitions. Word has length 39 [2021-05-21 22:35:37,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:37,908 INFO L482 AbstractCegarLoop]: Abstraction has 11074 states and 38238 transitions. [2021-05-21 22:35:37,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:35:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 11074 states and 38238 transitions. [2021-05-21 22:35:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:35:37,910 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:37,910 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:37,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-05-21 22:35:37,911 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:37,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1388078844, now seen corresponding path program 1 times [2021-05-21 22:35:37,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:37,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172307175] [2021-05-21 22:35:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:35:37,940 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:37,940 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172307175] [2021-05-21 22:35:37,940 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172307175] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:37,940 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:37,940 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:37,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722410104] [2021-05-21 22:35:37,940 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:37,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:37,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:37,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:37,941 INFO L87 Difference]: Start difference. First operand 11074 states and 38238 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-05-21 22:35:38,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:38,182 INFO L93 Difference]: Finished difference Result 15149 states and 50299 transitions. [2021-05-21 22:35:38,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:38,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-05-21 22:35:38,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:38,222 INFO L225 Difference]: With dead ends: 15149 [2021-05-21 22:35:38,222 INFO L226 Difference]: Without dead ends: 14045 [2021-05-21 22:35:38,222 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14045 states. [2021-05-21 22:35:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14045 to 8869. [2021-05-21 22:35:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8869 states, 8862 states have (on average 3.412096592191379) internal successors, (30238), 8868 states have internal predecessors, (30238), 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) [2021-05-21 22:35:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8869 states to 8869 states and 30238 transitions. [2021-05-21 22:35:38,617 INFO L78 Accepts]: Start accepts. Automaton has 8869 states and 30238 transitions. Word has length 39 [2021-05-21 22:35:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:38,617 INFO L482 AbstractCegarLoop]: Abstraction has 8869 states and 30238 transitions. [2021-05-21 22:35:38,617 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-05-21 22:35:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8869 states and 30238 transitions. [2021-05-21 22:35:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-21 22:35:38,620 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:38,620 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:38,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-05-21 22:35:38,620 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:38,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1216898029, now seen corresponding path program 1 times [2021-05-21 22:35:38,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:38,621 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278101959] [2021-05-21 22:35:38,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:35:38,637 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:38,637 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278101959] [2021-05-21 22:35:38,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278101959] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:38,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:38,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:35:38,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031965108] [2021-05-21 22:35:38,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:35:38,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:38,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:35:38,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:38,639 INFO L87 Difference]: Start difference. First operand 8869 states and 30238 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-05-21 22:35:38,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:38,696 INFO L93 Difference]: Finished difference Result 8957 states and 29611 transitions. [2021-05-21 22:35:38,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:35:38,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-05-21 22:35:38,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:38,721 INFO L225 Difference]: With dead ends: 8957 [2021-05-21 22:35:38,721 INFO L226 Difference]: Without dead ends: 8342 [2021-05-21 22:35:38,721 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:35:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8342 states. [2021-05-21 22:35:38,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8342 to 8150. [2021-05-21 22:35:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8150 states, 8144 states have (on average 3.31078094302554) internal successors, (26963), 8149 states have internal predecessors, (26963), 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) [2021-05-21 22:35:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8150 states to 8150 states and 26963 transitions. [2021-05-21 22:35:39,039 INFO L78 Accepts]: Start accepts. Automaton has 8150 states and 26963 transitions. Word has length 40 [2021-05-21 22:35:39,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:39,040 INFO L482 AbstractCegarLoop]: Abstraction has 8150 states and 26963 transitions. [2021-05-21 22:35:39,040 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-05-21 22:35:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 8150 states and 26963 transitions. [2021-05-21 22:35:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:35:39,049 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:39,049 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:39,050 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-05-21 22:35:39,050 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:39,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:39,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1369412154, now seen corresponding path program 1 times [2021-05-21 22:35:39,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:39,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34057303] [2021-05-21 22:35:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:35:39,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:39,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34057303] [2021-05-21 22:35:39,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34057303] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:39,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:39,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:39,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503444010] [2021-05-21 22:35:39,093 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:39,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:39,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:39,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:39,094 INFO L87 Difference]: Start difference. First operand 8150 states and 26963 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-05-21 22:35:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:39,197 INFO L93 Difference]: Finished difference Result 11063 states and 34992 transitions. [2021-05-21 22:35:39,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:39,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:35:39,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:39,222 INFO L225 Difference]: With dead ends: 11063 [2021-05-21 22:35:39,223 INFO L226 Difference]: Without dead ends: 10176 [2021-05-21 22:35:39,223 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10176 states. [2021-05-21 22:35:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10176 to 8196. [2021-05-21 22:35:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8196 states, 8190 states have (on average 3.287179487179487) internal successors, (26922), 8195 states have internal predecessors, (26922), 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) [2021-05-21 22:35:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 26922 transitions. [2021-05-21 22:35:39,440 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 26922 transitions. Word has length 46 [2021-05-21 22:35:39,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:39,440 INFO L482 AbstractCegarLoop]: Abstraction has 8196 states and 26922 transitions. [2021-05-21 22:35:39,440 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-05-21 22:35:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 26922 transitions. [2021-05-21 22:35:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:35:39,448 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:39,448 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:39,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-21 22:35:39,448 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:39,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:39,448 INFO L82 PathProgramCache]: Analyzing trace with hash -792052594, now seen corresponding path program 1 times [2021-05-21 22:35:39,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:39,448 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630725888] [2021-05-21 22:35:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:35:39,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:39,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630725888] [2021-05-21 22:35:39,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630725888] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:39,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:39,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:39,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822589114] [2021-05-21 22:35:39,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:39,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:39,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:39,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:39,487 INFO L87 Difference]: Start difference. First operand 8196 states and 26922 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:35:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:39,670 INFO L93 Difference]: Finished difference Result 8996 states and 28598 transitions. [2021-05-21 22:35:39,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:39,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:35:39,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:39,690 INFO L225 Difference]: With dead ends: 8996 [2021-05-21 22:35:39,690 INFO L226 Difference]: Without dead ends: 7587 [2021-05-21 22:35:39,690 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 102.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:39,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2021-05-21 22:35:39,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 5699. [2021-05-21 22:35:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5699 states, 5697 states have (on average 3.296998420221169) internal successors, (18783), 5698 states have internal predecessors, (18783), 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) [2021-05-21 22:35:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5699 states to 5699 states and 18783 transitions. [2021-05-21 22:35:39,832 INFO L78 Accepts]: Start accepts. Automaton has 5699 states and 18783 transitions. Word has length 46 [2021-05-21 22:35:39,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:39,833 INFO L482 AbstractCegarLoop]: Abstraction has 5699 states and 18783 transitions. [2021-05-21 22:35:39,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:35:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 5699 states and 18783 transitions. [2021-05-21 22:35:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:35:39,840 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:39,840 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:39,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-05-21 22:35:39,840 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:39,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:39,841 INFO L82 PathProgramCache]: Analyzing trace with hash 612102536, now seen corresponding path program 1 times [2021-05-21 22:35:39,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:39,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528108503] [2021-05-21 22:35:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-21 22:35:39,866 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:39,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528108503] [2021-05-21 22:35:39,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528108503] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:39,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:39,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:39,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488821310] [2021-05-21 22:35:39,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:39,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:39,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:39,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:39,867 INFO L87 Difference]: Start difference. First operand 5699 states and 18783 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2021-05-21 22:35:39,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:39,955 INFO L93 Difference]: Finished difference Result 6991 states and 22042 transitions. [2021-05-21 22:35:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:39,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:35:39,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:39,967 INFO L225 Difference]: With dead ends: 6991 [2021-05-21 22:35:39,968 INFO L226 Difference]: Without dead ends: 4919 [2021-05-21 22:35:39,968 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states. [2021-05-21 22:35:40,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4759. [2021-05-21 22:35:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 4757 states have (on average 3.2282951439983183) internal successors, (15357), 4758 states have internal predecessors, (15357), 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) [2021-05-21 22:35:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 15357 transitions. [2021-05-21 22:35:40,078 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 15357 transitions. Word has length 46 [2021-05-21 22:35:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:40,078 INFO L482 AbstractCegarLoop]: Abstraction has 4759 states and 15357 transitions. [2021-05-21 22:35:40,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2021-05-21 22:35:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 15357 transitions. [2021-05-21 22:35:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:35:40,084 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:40,084 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:40,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-05-21 22:35:40,084 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:35:40,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:40,084 INFO L82 PathProgramCache]: Analyzing trace with hash -2085575278, now seen corresponding path program 1 times [2021-05-21 22:35:40,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:40,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183331611] [2021-05-21 22:35:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:35:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:35:40,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:35:40,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183331611] [2021-05-21 22:35:40,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183331611] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:35:40,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:35:40,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:35:40,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948477017] [2021-05-21 22:35:40,139 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:35:40,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:35:40,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:35:40,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:35:40,140 INFO L87 Difference]: Start difference. First operand 4759 states and 15357 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:35:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:35:40,308 INFO L93 Difference]: Finished difference Result 4343 states and 13689 transitions. [2021-05-21 22:35:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:35:40,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:35:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:35:40,310 INFO L225 Difference]: With dead ends: 4343 [2021-05-21 22:35:40,310 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 22:35:40,310 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 38.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:35:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 22:35:40,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 22:35:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:35:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 22:35:40,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-05-21 22:35:40,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:35:40,311 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 22:35:40,311 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:35:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 22:35:40,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:35:40,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-05-21 22:35:40,311 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 22:35:40,312 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 22:35:40,312 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:40,312 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:40,312 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:40,313 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:40,313 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:40,313 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:40,313 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:40,313 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:35:40,314 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 60 transitions, 141 flow [2021-05-21 22:35:41,715 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 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) [2021-05-21 22:35:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 18911 states, 18888 states have (on average 3.6527954256670903) internal successors, (68994), 18910 states have internal predecessors, (68994), 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) [2021-05-21 22:35:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-21 22:35:41,742 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:35:41,742 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:35:41,742 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-21 22:35:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:35:41,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1641029641, now seen corresponding path program 1 times [2021-05-21 22:35:41,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:35:41,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16312797] [2021-05-21 22:35:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:35:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:35:41,749 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:35:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:35:41,755 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:35:41,764 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 22:35:41,764 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 22:35:41,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-05-21 22:35:41,764 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-21 22:35:41,764 WARN L242 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 22:35:41,765 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-05-21 22:35:41,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:35:41,792 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 22:35:41,794 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-05-21 22:35:41,797 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:35:41,797 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:35:41,797 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:35:41,797 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:35:41,797 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:35:41,797 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:35:41,798 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:35:41,798 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:35:41,799 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 71 transitions, 174 flow [2021-05-21 22:37:46,989 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 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) [2021-05-21 22:37:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 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) [2021-05-21 22:37:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-21 22:37:47,283 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:37:47,283 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:37:47,284 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:37:47,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:37:47,284 INFO L82 PathProgramCache]: Analyzing trace with hash -869836546, now seen corresponding path program 1 times [2021-05-21 22:37:47,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:37:47,284 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133375655] [2021-05-21 22:37:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:37:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:37:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:37:47,305 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:37:47,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133375655] [2021-05-21 22:37:47,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133375655] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:37:47,305 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:37:47,305 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:37:47,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208263637] [2021-05-21 22:37:47,305 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:37:47,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:37:47,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:37:47,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:37:47,530 INFO L87 Difference]: Start difference. First operand has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:37:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:37:49,466 INFO L93 Difference]: Finished difference Result 163559 states and 718185 transitions. [2021-05-21 22:37:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:37:49,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-05-21 22:37:49,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:37:50,501 INFO L225 Difference]: With dead ends: 163559 [2021-05-21 22:37:50,501 INFO L226 Difference]: Without dead ends: 160751 [2021-05-21 22:37:50,501 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:37:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160751 states. [2021-05-21 22:37:56,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160751 to 132749. [2021-05-21 22:37:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132749 states, 132734 states have (on average 4.433604050205674) internal successors, (588490), 132748 states have internal predecessors, (588490), 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) [2021-05-21 22:37:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132749 states to 132749 states and 588490 transitions. [2021-05-21 22:37:57,739 INFO L78 Accepts]: Start accepts. Automaton has 132749 states and 588490 transitions. Word has length 26 [2021-05-21 22:37:57,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:37:57,739 INFO L482 AbstractCegarLoop]: Abstraction has 132749 states and 588490 transitions. [2021-05-21 22:37:57,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-05-21 22:37:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 132749 states and 588490 transitions. [2021-05-21 22:37:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-05-21 22:37:57,740 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:37:57,740 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:37:57,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-21 22:37:57,740 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:37:57,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:37:57,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1281161078, now seen corresponding path program 1 times [2021-05-21 22:37:57,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:37:57,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315678130] [2021-05-21 22:37:57,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:37:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:37:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:37:57,760 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:37:57,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315678130] [2021-05-21 22:37:57,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315678130] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:37:57,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:37:57,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:37:57,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349324031] [2021-05-21 22:37:57,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:37:57,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:37:57,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:37:57,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:37:57,762 INFO L87 Difference]: Start difference. First operand 132749 states and 588490 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-05-21 22:37:59,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:37:59,673 INFO L93 Difference]: Finished difference Result 166553 states and 728831 transitions. [2021-05-21 22:37:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:37:59,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-05-21 22:37:59,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:38:00,803 INFO L225 Difference]: With dead ends: 166553 [2021-05-21 22:38:00,803 INFO L226 Difference]: Without dead ends: 165041 [2021-05-21 22:38:00,804 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:38:03,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165041 states. [2021-05-21 22:38:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165041 to 137417. [2021-05-21 22:38:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137417 states, 137402 states have (on average 4.4193679859099575) internal successors, (607230), 137416 states have internal predecessors, (607230), 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) [2021-05-21 22:38:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137417 states to 137417 states and 607230 transitions. [2021-05-21 22:38:07,503 INFO L78 Accepts]: Start accepts. Automaton has 137417 states and 607230 transitions. Word has length 33 [2021-05-21 22:38:07,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:38:07,503 INFO L482 AbstractCegarLoop]: Abstraction has 137417 states and 607230 transitions. [2021-05-21 22:38:07,503 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-05-21 22:38:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 137417 states and 607230 transitions. [2021-05-21 22:38:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:38:07,504 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:38:07,504 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:38:07,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-05-21 22:38:07,504 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:38:07,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:38:07,505 INFO L82 PathProgramCache]: Analyzing trace with hash -460430915, now seen corresponding path program 1 times [2021-05-21 22:38:07,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:38:07,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817197163] [2021-05-21 22:38:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:38:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:38:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 22:38:07,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:38:07,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817197163] [2021-05-21 22:38:07,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817197163] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:38:07,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:38:07,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:38:07,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859857223] [2021-05-21 22:38:07,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:38:07,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:38:07,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:38:07,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:38:07,533 INFO L87 Difference]: Start difference. First operand 137417 states and 607230 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-05-21 22:38:10,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:38:10,029 INFO L93 Difference]: Finished difference Result 226858 states and 976630 transitions. [2021-05-21 22:38:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:38:10,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-05-21 22:38:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:38:11,021 INFO L225 Difference]: With dead ends: 226858 [2021-05-21 22:38:11,022 INFO L226 Difference]: Without dead ends: 225346 [2021-05-21 22:38:11,022 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:38:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225346 states. [2021-05-21 22:38:17,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225346 to 142762. [2021-05-21 22:38:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142762 states, 142747 states have (on average 4.441564446188011) internal successors, (634020), 142761 states have internal predecessors, (634020), 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) [2021-05-21 22:38:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142762 states to 142762 states and 634020 transitions. [2021-05-21 22:38:18,993 INFO L78 Accepts]: Start accepts. Automaton has 142762 states and 634020 transitions. Word has length 39 [2021-05-21 22:38:18,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:38:18,993 INFO L482 AbstractCegarLoop]: Abstraction has 142762 states and 634020 transitions. [2021-05-21 22:38:18,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-05-21 22:38:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 142762 states and 634020 transitions. [2021-05-21 22:38:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-21 22:38:18,995 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:38:18,995 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:38:18,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-05-21 22:38:18,995 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:38:18,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:38:18,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1191389783, now seen corresponding path program 1 times [2021-05-21 22:38:18,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:38:18,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920287714] [2021-05-21 22:38:18,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:38:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:38:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:38:19,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:38:19,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920287714] [2021-05-21 22:38:19,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920287714] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:38:19,038 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:38:19,038 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:38:19,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785392366] [2021-05-21 22:38:19,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:38:19,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:38:19,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:38:19,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:38:19,039 INFO L87 Difference]: Start difference. First operand 142762 states and 634020 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-05-21 22:38:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:38:21,485 INFO L93 Difference]: Finished difference Result 221855 states and 950513 transitions. [2021-05-21 22:38:21,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:38:21,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-05-21 22:38:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:38:22,576 INFO L225 Difference]: With dead ends: 221855 [2021-05-21 22:38:22,577 INFO L226 Difference]: Without dead ends: 218543 [2021-05-21 22:38:22,577 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:38:25,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218543 states. [2021-05-21 22:38:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218543 to 128119. [2021-05-21 22:38:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128119 states, 128104 states have (on average 4.398785361893461) internal successors, (563502), 128118 states have internal predecessors, (563502), 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) [2021-05-21 22:38:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128119 states to 128119 states and 563502 transitions. [2021-05-21 22:38:29,822 INFO L78 Accepts]: Start accepts. Automaton has 128119 states and 563502 transitions. Word has length 39 [2021-05-21 22:38:29,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:38:29,822 INFO L482 AbstractCegarLoop]: Abstraction has 128119 states and 563502 transitions. [2021-05-21 22:38:29,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-05-21 22:38:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 128119 states and 563502 transitions. [2021-05-21 22:38:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-21 22:38:29,824 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:38:29,825 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:38:29,825 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-05-21 22:38:29,825 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:38:29,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:38:29,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1835340023, now seen corresponding path program 1 times [2021-05-21 22:38:29,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:38:29,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564149757] [2021-05-21 22:38:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:38:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:38:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:38:29,840 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:38:29,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564149757] [2021-05-21 22:38:29,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564149757] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:38:29,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:38:29,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:38:29,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123442314] [2021-05-21 22:38:29,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:38:29,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:38:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:38:29,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:38:29,841 INFO L87 Difference]: Start difference. First operand 128119 states and 563502 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-05-21 22:38:31,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:38:31,293 INFO L93 Difference]: Finished difference Result 154204 states and 664737 transitions. [2021-05-21 22:38:31,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:38:31,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-05-21 22:38:31,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:38:31,911 INFO L225 Difference]: With dead ends: 154204 [2021-05-21 22:38:31,912 INFO L226 Difference]: Without dead ends: 152548 [2021-05-21 22:38:31,912 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:38:34,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152548 states. [2021-05-21 22:38:36,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152548 to 130828. [2021-05-21 22:38:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130828 states, 130813 states have (on average 4.360881563758953) internal successors, (570460), 130827 states have internal predecessors, (570460), 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) [2021-05-21 22:38:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130828 states to 130828 states and 570460 transitions. [2021-05-21 22:38:38,425 INFO L78 Accepts]: Start accepts. Automaton has 130828 states and 570460 transitions. Word has length 40 [2021-05-21 22:38:38,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:38:38,425 INFO L482 AbstractCegarLoop]: Abstraction has 130828 states and 570460 transitions. [2021-05-21 22:38:38,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-05-21 22:38:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 130828 states and 570460 transitions. [2021-05-21 22:38:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:38:38,449 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:38:38,449 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:38:38,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-05-21 22:38:38,449 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:38:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:38:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1668208832, now seen corresponding path program 1 times [2021-05-21 22:38:38,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:38:38,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029685179] [2021-05-21 22:38:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:38:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:38:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-21 22:38:38,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:38:38,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029685179] [2021-05-21 22:38:38,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029685179] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:38:38,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:38:38,539 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:38:38,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929091729] [2021-05-21 22:38:38,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:38:38,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:38:38,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:38:38,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:38:38,540 INFO L87 Difference]: Start difference. First operand 130828 states and 570460 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 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) [2021-05-21 22:38:40,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:38:40,743 INFO L93 Difference]: Finished difference Result 215030 states and 910386 transitions. [2021-05-21 22:38:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:38:40,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 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) Word has length 46 [2021-05-21 22:38:40,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:38:42,611 INFO L225 Difference]: With dead ends: 215030 [2021-05-21 22:38:42,611 INFO L226 Difference]: Without dead ends: 212558 [2021-05-21 22:38:42,625 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 42.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:38:45,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212558 states. [2021-05-21 22:38:48,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212558 to 136198. [2021-05-21 22:38:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136198 states, 136183 states have (on average 4.374819177136647) internal successors, (595776), 136197 states have internal predecessors, (595776), 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) [2021-05-21 22:38:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136198 states to 136198 states and 595776 transitions. [2021-05-21 22:38:49,673 INFO L78 Accepts]: Start accepts. Automaton has 136198 states and 595776 transitions. Word has length 46 [2021-05-21 22:38:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:38:49,673 INFO L482 AbstractCegarLoop]: Abstraction has 136198 states and 595776 transitions. [2021-05-21 22:38:49,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 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) [2021-05-21 22:38:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 136198 states and 595776 transitions. [2021-05-21 22:38:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:38:49,680 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:38:49,680 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:38:49,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-21 22:38:49,680 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:38:49,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:38:49,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1834651864, now seen corresponding path program 1 times [2021-05-21 22:38:49,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:38:49,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15483900] [2021-05-21 22:38:49,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:38:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:38:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:38:49,712 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:38:49,712 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15483900] [2021-05-21 22:38:49,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15483900] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:38:49,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:38:49,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:38:49,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931134184] [2021-05-21 22:38:49,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:38:49,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:38:49,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:38:49,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:38:49,713 INFO L87 Difference]: Start difference. First operand 136198 states and 595776 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:38:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:38:51,562 INFO L93 Difference]: Finished difference Result 200790 states and 846983 transitions. [2021-05-21 22:38:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:38:51,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:38:51,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:38:53,057 INFO L225 Difference]: With dead ends: 200790 [2021-05-21 22:38:53,057 INFO L226 Difference]: Without dead ends: 196878 [2021-05-21 22:38:53,057 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:38:55,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196878 states. [2021-05-21 22:38:58,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196878 to 119243. [2021-05-21 22:38:58,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119243 states, 119228 states have (on average 4.338301405710068) internal successors, (517247), 119242 states have internal predecessors, (517247), 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) [2021-05-21 22:38:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119243 states to 119243 states and 517247 transitions. [2021-05-21 22:38:59,400 INFO L78 Accepts]: Start accepts. Automaton has 119243 states and 517247 transitions. Word has length 46 [2021-05-21 22:38:59,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:38:59,400 INFO L482 AbstractCegarLoop]: Abstraction has 119243 states and 517247 transitions. [2021-05-21 22:38:59,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:38:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 119243 states and 517247 transitions. [2021-05-21 22:38:59,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:38:59,408 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:38:59,408 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:38:59,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-05-21 22:38:59,409 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:38:59,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:38:59,409 INFO L82 PathProgramCache]: Analyzing trace with hash 61549578, now seen corresponding path program 1 times [2021-05-21 22:38:59,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:38:59,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156454416] [2021-05-21 22:38:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:38:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:38:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-21 22:38:59,441 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:38:59,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156454416] [2021-05-21 22:38:59,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156454416] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:38:59,441 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:38:59,441 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:38:59,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161785153] [2021-05-21 22:38:59,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:38:59,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:38:59,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:38:59,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:38:59,442 INFO L87 Difference]: Start difference. First operand 119243 states and 517247 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-05-21 22:39:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:01,085 INFO L93 Difference]: Finished difference Result 192361 states and 808651 transitions. [2021-05-21 22:39:01,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:01,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:39:01,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:01,805 INFO L225 Difference]: With dead ends: 192361 [2021-05-21 22:39:01,806 INFO L226 Difference]: Without dead ends: 186649 [2021-05-21 22:39:01,806 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186649 states. [2021-05-21 22:39:07,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186649 to 121139. [2021-05-21 22:39:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121139 states, 121124 states have (on average 4.3344754136257055) internal successors, (525009), 121138 states have internal predecessors, (525009), 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) [2021-05-21 22:39:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121139 states to 121139 states and 525009 transitions. [2021-05-21 22:39:07,603 INFO L78 Accepts]: Start accepts. Automaton has 121139 states and 525009 transitions. Word has length 46 [2021-05-21 22:39:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:07,603 INFO L482 AbstractCegarLoop]: Abstraction has 121139 states and 525009 transitions. [2021-05-21 22:39:07,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-05-21 22:39:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 121139 states and 525009 transitions. [2021-05-21 22:39:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-05-21 22:39:07,610 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:07,610 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:07,610 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-05-21 22:39:07,610 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:07,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1061720438, now seen corresponding path program 2 times [2021-05-21 22:39:07,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:07,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209559111] [2021-05-21 22:39:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:39:07,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:07,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209559111] [2021-05-21 22:39:07,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209559111] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:07,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:07,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:07,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292954053] [2021-05-21 22:39:07,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:07,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:07,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:07,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:07,644 INFO L87 Difference]: Start difference. First operand 121139 states and 525009 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:39:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:09,481 INFO L93 Difference]: Finished difference Result 180666 states and 755767 transitions. [2021-05-21 22:39:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-21 22:39:09,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-05-21 22:39:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:10,847 INFO L225 Difference]: With dead ends: 180666 [2021-05-21 22:39:10,847 INFO L226 Difference]: Without dead ends: 169290 [2021-05-21 22:39:10,848 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:12,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169290 states. [2021-05-21 22:39:15,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169290 to 98269. [2021-05-21 22:39:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98269 states, 98254 states have (on average 4.279500071243919) internal successors, (420478), 98268 states have internal predecessors, (420478), 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) [2021-05-21 22:39:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98269 states to 98269 states and 420478 transitions. [2021-05-21 22:39:15,696 INFO L78 Accepts]: Start accepts. Automaton has 98269 states and 420478 transitions. Word has length 46 [2021-05-21 22:39:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:15,697 INFO L482 AbstractCegarLoop]: Abstraction has 98269 states and 420478 transitions. [2021-05-21 22:39:15,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-05-21 22:39:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 98269 states and 420478 transitions. [2021-05-21 22:39:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-05-21 22:39:15,705 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:15,705 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:15,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-05-21 22:39:15,705 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:15,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1824171467, now seen corresponding path program 1 times [2021-05-21 22:39:15,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:15,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071679150] [2021-05-21 22:39:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-05-21 22:39:15,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:15,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071679150] [2021-05-21 22:39:15,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071679150] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:15,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:15,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 22:39:15,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032321223] [2021-05-21 22:39:15,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 22:39:15,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:15,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 22:39:15,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:39:15,729 INFO L87 Difference]: Start difference. First operand 98269 states and 420478 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-05-21 22:39:17,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:17,065 INFO L93 Difference]: Finished difference Result 104325 states and 431425 transitions. [2021-05-21 22:39:17,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 22:39:17,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-05-21 22:39:17,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:17,460 INFO L225 Difference]: With dead ends: 104325 [2021-05-21 22:39:17,460 INFO L226 Difference]: Without dead ends: 102336 [2021-05-21 22:39:17,460 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 22:39:19,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102336 states. [2021-05-21 22:39:20,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102336 to 97440. [2021-05-21 22:39:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97440 states, 97426 states have (on average 4.176072095744463) internal successors, (406858), 97439 states have internal predecessors, (406858), 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) [2021-05-21 22:39:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97440 states to 97440 states and 406858 transitions. [2021-05-21 22:39:21,708 INFO L78 Accepts]: Start accepts. Automaton has 97440 states and 406858 transitions. Word has length 47 [2021-05-21 22:39:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:21,708 INFO L482 AbstractCegarLoop]: Abstraction has 97440 states and 406858 transitions. [2021-05-21 22:39:21,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-05-21 22:39:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 97440 states and 406858 transitions. [2021-05-21 22:39:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:39:21,746 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:21,746 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:21,746 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-05-21 22:39:21,746 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:21,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:21,747 INFO L82 PathProgramCache]: Analyzing trace with hash -30849860, now seen corresponding path program 1 times [2021-05-21 22:39:21,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:21,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235591735] [2021-05-21 22:39:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-05-21 22:39:21,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:21,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235591735] [2021-05-21 22:39:21,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235591735] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:21,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:21,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:21,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928364597] [2021-05-21 22:39:21,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:21,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:21,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:21,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:21,786 INFO L87 Difference]: Start difference. First operand 97440 states and 406858 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-05-21 22:39:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:22,628 INFO L93 Difference]: Finished difference Result 149939 states and 605330 transitions. [2021-05-21 22:39:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:22,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 22:39:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:23,934 INFO L225 Difference]: With dead ends: 149939 [2021-05-21 22:39:23,934 INFO L226 Difference]: Without dead ends: 145806 [2021-05-21 22:39:23,934 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:25,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145806 states. [2021-05-21 22:39:28,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145806 to 101562. [2021-05-21 22:39:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101562 states, 101548 states have (on average 4.1725981801709535) internal successors, (423719), 101561 states have internal predecessors, (423719), 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) [2021-05-21 22:39:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101562 states to 101562 states and 423719 transitions. [2021-05-21 22:39:29,042 INFO L78 Accepts]: Start accepts. Automaton has 101562 states and 423719 transitions. Word has length 53 [2021-05-21 22:39:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:29,043 INFO L482 AbstractCegarLoop]: Abstraction has 101562 states and 423719 transitions. [2021-05-21 22:39:29,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-05-21 22:39:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 101562 states and 423719 transitions. [2021-05-21 22:39:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:39:29,078 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:29,078 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:29,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-21 22:39:29,079 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:29,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:29,079 INFO L82 PathProgramCache]: Analyzing trace with hash 17705876, now seen corresponding path program 1 times [2021-05-21 22:39:29,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:29,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802315746] [2021-05-21 22:39:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-05-21 22:39:29,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:29,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802315746] [2021-05-21 22:39:29,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802315746] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:29,146 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:29,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:29,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408239950] [2021-05-21 22:39:29,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:29,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:29,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:29,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:29,148 INFO L87 Difference]: Start difference. First operand 101562 states and 423719 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:39:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:30,981 INFO L93 Difference]: Finished difference Result 122298 states and 493151 transitions. [2021-05-21 22:39:30,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:30,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 22:39:30,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:31,365 INFO L225 Difference]: With dead ends: 122298 [2021-05-21 22:39:31,365 INFO L226 Difference]: Without dead ends: 116359 [2021-05-21 22:39:31,365 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116359 states. [2021-05-21 22:39:34,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116359 to 81847. [2021-05-21 22:39:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81847 states, 81841 states have (on average 4.192458547671705) internal successors, (343115), 81846 states have internal predecessors, (343115), 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) [2021-05-21 22:39:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81847 states to 81847 states and 343115 transitions. [2021-05-21 22:39:35,460 INFO L78 Accepts]: Start accepts. Automaton has 81847 states and 343115 transitions. Word has length 53 [2021-05-21 22:39:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:35,460 INFO L482 AbstractCegarLoop]: Abstraction has 81847 states and 343115 transitions. [2021-05-21 22:39:35,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:39:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 81847 states and 343115 transitions. [2021-05-21 22:39:35,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:39:35,493 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:35,493 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:35,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-05-21 22:39:35,494 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:35,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:35,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1285265402, now seen corresponding path program 1 times [2021-05-21 22:39:35,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:35,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169825104] [2021-05-21 22:39:35,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-05-21 22:39:35,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:35,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169825104] [2021-05-21 22:39:35,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169825104] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:35,525 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:35,525 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:35,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51215419] [2021-05-21 22:39:35,525 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:35,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:35,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:35,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:35,526 INFO L87 Difference]: Start difference. First operand 81847 states and 343115 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-05-21 22:39:36,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:36,320 INFO L93 Difference]: Finished difference Result 120217 states and 484461 transitions. [2021-05-21 22:39:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:36,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 22:39:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:37,378 INFO L225 Difference]: With dead ends: 120217 [2021-05-21 22:39:37,378 INFO L226 Difference]: Without dead ends: 111195 [2021-05-21 22:39:37,378 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:38,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111195 states. [2021-05-21 22:39:40,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111195 to 82275. [2021-05-21 22:39:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82275 states, 82269 states have (on average 4.166757831017759) internal successors, (342795), 82274 states have internal predecessors, (342795), 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) [2021-05-21 22:39:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82275 states to 82275 states and 342795 transitions. [2021-05-21 22:39:40,696 INFO L78 Accepts]: Start accepts. Automaton has 82275 states and 342795 transitions. Word has length 53 [2021-05-21 22:39:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:40,696 INFO L482 AbstractCegarLoop]: Abstraction has 82275 states and 342795 transitions. [2021-05-21 22:39:40,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-05-21 22:39:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 82275 states and 342795 transitions. [2021-05-21 22:39:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:39:40,724 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:40,724 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:40,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-05-21 22:39:40,725 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:40,725 INFO L82 PathProgramCache]: Analyzing trace with hash 698871410, now seen corresponding path program 1 times [2021-05-21 22:39:40,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:40,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525034709] [2021-05-21 22:39:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-05-21 22:39:40,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:40,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525034709] [2021-05-21 22:39:40,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525034709] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:40,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:40,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:40,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31580574] [2021-05-21 22:39:40,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:40,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:40,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:40,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:40,766 INFO L87 Difference]: Start difference. First operand 82275 states and 342795 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:39:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:42,017 INFO L93 Difference]: Finished difference Result 95227 states and 383704 transitions. [2021-05-21 22:39:42,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:42,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 22:39:42,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:42,316 INFO L225 Difference]: With dead ends: 95227 [2021-05-21 22:39:42,317 INFO L226 Difference]: Without dead ends: 80225 [2021-05-21 22:39:42,317 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:42,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80225 states. [2021-05-21 22:39:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80225 to 56889. [2021-05-21 22:39:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56889 states, 56887 states have (on average 4.17726369820873) internal successors, (237632), 56888 states have internal predecessors, (237632), 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) [2021-05-21 22:39:44,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56889 states to 56889 states and 237632 transitions. [2021-05-21 22:39:44,507 INFO L78 Accepts]: Start accepts. Automaton has 56889 states and 237632 transitions. Word has length 53 [2021-05-21 22:39:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:44,508 INFO L482 AbstractCegarLoop]: Abstraction has 56889 states and 237632 transitions. [2021-05-21 22:39:44,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:39:44,508 INFO L276 IsEmpty]: Start isEmpty. Operand 56889 states and 237632 transitions. [2021-05-21 22:39:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:39:44,535 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:44,535 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:44,535 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-05-21 22:39:44,535 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:44,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:44,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1088762734, now seen corresponding path program 1 times [2021-05-21 22:39:44,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:44,536 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69876729] [2021-05-21 22:39:44,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-05-21 22:39:44,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:44,568 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69876729] [2021-05-21 22:39:44,568 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69876729] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:44,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:44,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:44,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683809234] [2021-05-21 22:39:44,569 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:44,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:44,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:44,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:44,569 INFO L87 Difference]: Start difference. First operand 56889 states and 237632 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-05-21 22:39:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:45,600 INFO L93 Difference]: Finished difference Result 72281 states and 289192 transitions. [2021-05-21 22:39:45,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:45,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 22:39:45,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:45,759 INFO L225 Difference]: With dead ends: 72281 [2021-05-21 22:39:45,760 INFO L226 Difference]: Without dead ends: 50049 [2021-05-21 22:39:45,760 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50049 states. [2021-05-21 22:39:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50049 to 47489. [2021-05-21 22:39:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47489 states, 47487 states have (on average 4.104533872428243) internal successors, (194912), 47488 states have internal predecessors, (194912), 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) [2021-05-21 22:39:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47489 states to 47489 states and 194912 transitions. [2021-05-21 22:39:47,361 INFO L78 Accepts]: Start accepts. Automaton has 47489 states and 194912 transitions. Word has length 53 [2021-05-21 22:39:47,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:47,361 INFO L482 AbstractCegarLoop]: Abstraction has 47489 states and 194912 transitions. [2021-05-21 22:39:47,361 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-05-21 22:39:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 47489 states and 194912 transitions. [2021-05-21 22:39:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-21 22:39:47,386 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:39:47,386 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:39:47,387 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-05-21 22:39:47,387 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 22:39:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:39:47,387 INFO L82 PathProgramCache]: Analyzing trace with hash -630422282, now seen corresponding path program 1 times [2021-05-21 22:39:47,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:39:47,387 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422758687] [2021-05-21 22:39:47,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:39:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 22:39:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-05-21 22:39:47,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 22:39:47,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422758687] [2021-05-21 22:39:47,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422758687] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 22:39:47,411 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 22:39:47,411 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-21 22:39:47,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318279637] [2021-05-21 22:39:47,411 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-21 22:39:47,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 22:39:47,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-21 22:39:47,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-21 22:39:47,412 INFO L87 Difference]: Start difference. First operand 47489 states and 194912 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:39:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 22:39:47,724 INFO L93 Difference]: Finished difference Result 44673 states and 179360 transitions. [2021-05-21 22:39:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-21 22:39:47,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-05-21 22:39:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 22:39:47,725 INFO L225 Difference]: With dead ends: 44673 [2021-05-21 22:39:47,725 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 22:39:47,725 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-05-21 22:39:47,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 22:39:47,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 22:39:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 22:39:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 22:39:47,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2021-05-21 22:39:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 22:39:47,725 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 22:39:47,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-05-21 22:39:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 22:39:47,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 22:39:47,726 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-21 22:39:47,726 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 22:39:47,726 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 22:39:47,726 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:39:47,726 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:39:47,727 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:39:47,727 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:39:47,727 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:39:47,727 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:39:47,727 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:39:47,727 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:39:47,730 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 71 transitions, 174 flow [2021-05-21 22:41:52,845 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 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) [2021-05-21 22:41:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 207913 states, 207866 states have (on average 4.559750031270145) internal successors, (947817), 207912 states have internal predecessors, (947817), 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) [2021-05-21 22:41:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-05-21 22:41:53,218 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 22:41:53,218 INFO L521 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 22:41:53,218 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-21 22:41:53,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 22:41:53,219 INFO L82 PathProgramCache]: Analyzing trace with hash 452819435, now seen corresponding path program 1 times [2021-05-21 22:41:53,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 22:41:53,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069068590] [2021-05-21 22:41:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 22:41:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:41:53,227 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:41:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 22:41:53,234 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 22:41:53,240 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 22:41:53,240 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 22:41:53,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-05-21 22:41:53,240 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-21 22:41:53,240 WARN L242 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-21 22:41:53,240 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-05-21 22:41:53,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,267 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 22:41:53,270 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 22:41:53,271 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-05-21 22:41:53,271 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:41:53,271 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:41:53,271 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:41:53,271 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:41:53,271 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:41:53,271 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:41:53,271 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:41:53,271 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 22:41:53,272 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 209 flow Received shutdown request... [2021-05-21 22:48:51,690 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 22:48:51,690 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-05-21 22:48:51,691 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 22:48:51,691 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 22:48:51,691 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 22:48:51,691 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 22:48:51,691 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 22:48:51,691 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 22:48:51,691 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 22:48:51,691 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 22:48:51,691 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 22:48:51,692 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 82 transitions, 209 flow [2021-05-21 22:48:51,692 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-21 22:48:51,692 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-05-21 22:48:51,692 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 5 thread instances [2021-05-21 22:48:51,695 WARN L196 ceAbstractionStarter]: Timeout [2021-05-21 22:48:51,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 10:48:51 BasicIcfg [2021-05-21 22:48:51,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 22:48:51,698 INFO L168 Benchmark]: Toolchain (without parser) took 800447.17 ms. Allocated memory was 329.3 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 292.4 MB in the beginning and 9.3 GB in the end (delta: -9.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-05-21 22:48:51,698 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 329.3 MB. Free memory is still 310.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 22:48:51,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.27 ms. Allocated memory is still 329.3 MB. Free memory was 292.1 MB in the beginning and 294.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.0 GB. [2021-05-21 22:48:51,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 329.3 MB. Free memory was 294.6 MB in the beginning and 292.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:48:51,700 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 ms. Allocated memory is still 329.3 MB. Free memory was 292.5 MB in the beginning and 291.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 22:48:51,700 INFO L168 Benchmark]: RCFGBuilder took 446.96 ms. Allocated memory is still 329.3 MB. Free memory was 291.5 MB in the beginning and 271.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-05-21 22:48:51,700 INFO L168 Benchmark]: TraceAbstraction took 799479.77 ms. Allocated memory was 329.3 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 271.5 MB in the beginning and 9.3 GB in the end (delta: -9.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-05-21 22:48:51,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 329.3 MB. Free memory is still 310.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 431.27 ms. Allocated memory is still 329.3 MB. Free memory was 292.1 MB in the beginning and 294.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 44.72 ms. Allocated memory is still 329.3 MB. Free memory was 294.6 MB in the beginning and 292.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.86 ms. Allocated memory is still 329.3 MB. Free memory was 292.5 MB in the beginning and 291.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 446.96 ms. Allocated memory is still 329.3 MB. Free memory was 291.5 MB in the beginning and 271.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 799479.77 ms. Allocated memory was 329.3 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 271.5 MB in the beginning and 9.3 GB in the end (delta: -9.0 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 710]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 92 places, 82 transitions, 209 flow. Already constructed 440096 states. Currently 72569 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 49 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 379.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 13.7ms, AutomataDifference: 63.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 10 SDslu, 22 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.0ms SsaConstructionTime, 41.3ms SatisfiabilityAnalysisTime, 87.8ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 587.0ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 14.2ms, AutomataDifference: 207.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 67.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 254 SDtfs, 146 SDslu, 305 SDs, 0 SdLazy, 87 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 72.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1729occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 100.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.7ms SsaConstructionTime, 27.5ms SatisfiabilityAnalysisTime, 114.8ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 71 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6773.1ms, OverallIterations: 9, TraceHistogramMax: 3, EmptinessCheckTime: 82.1ms, AutomataDifference: 2063.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1474.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 996 SDtfs, 646 SDslu, 1331 SDs, 0 SdLazy, 375 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 326.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 246.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18911occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2843.8ms AutomataMinimizationTime, 9 MinimizatonAttempts, 17313 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.7ms SsaConstructionTime, 52.2ms SatisfiabilityAnalysisTime, 187.5ms InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 100/100 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 82 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 245928.6ms, OverallIterations: 16, TraceHistogramMax: 4, EmptinessCheckTime: 508.2ms, AutomataDifference: 39342.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 125221.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2521 SDtfs, 1657 SDslu, 3464 SDs, 0 SdLazy, 964 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1198.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 351.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=207913occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 80259.4ms AutomataMinimizationTime, 16 MinimizatonAttempts, 679348 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.0ms SsaConstructionTime, 80.3ms SatisfiabilityAnalysisTime, 366.8ms InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 996 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 352/352 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances CFG has 7 procedures, 93 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 418419.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 418418.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 49 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 111.7ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 1.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.3ms SsaConstructionTime, 16.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 60 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 74.1ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 4.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1729occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2ms SsaConstructionTime, 6.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 3 thread instances CFG has 5 procedures, 71 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1452.1ms, OverallIterations: 1, TraceHistogramMax: 4, EmptinessCheckTime: 26.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1402.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18911occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8ms SsaConstructionTime, 4.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 4 thread instances CFG has 6 procedures, 82 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 125513.5ms, OverallIterations: 1, TraceHistogramMax: 5, EmptinessCheckTime: 351.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 125139.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=207913occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9ms SsaConstructionTime, 5.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 5 thread instances CFG has 7 procedures, 93 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 1.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown