/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:30:24,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:30:24,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:30:24,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:30:24,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:30:24,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:30:24,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:30:24,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:30:24,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:30:24,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:30:24,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:30:24,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:30:24,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:30:24,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:30:24,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:30:24,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:30:24,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:30:24,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:30:24,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:30:24,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:30:24,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:30:24,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:30:24,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:30:24,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:30:24,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 20:30:24,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:30:24,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:30:24,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:30:24,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:30:24,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:30:24,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:30:24,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:30:24,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:30:24,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:30:24,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:30:24,895 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:30:24,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:30:24,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:30:24,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:30:24,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:30:24,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:30:24,898 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 20:30:25,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:30:25,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:30:25,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:30:25,085 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:30:25,086 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:30:25,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-03-15 20:30:25,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/038b173a0/b2216fc64034486584d8a47305b970e2/FLAG26fa2d910 [2022-03-15 20:30:25,474 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:30:25,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-03-15 20:30:25,474 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:30:25,474 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:30:25,474 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:30:25,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/038b173a0/b2216fc64034486584d8a47305b970e2/FLAG26fa2d910 [2022-03-15 20:30:25,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/038b173a0/b2216fc64034486584d8a47305b970e2 [2022-03-15 20:30:25,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:30:25,922 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:30:25,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:30:25,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:30:25,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:30:25,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:30:25" (1/1) ... [2022-03-15 20:30:25,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1378d9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:25, skipping insertion in model container [2022-03-15 20:30:25,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:30:25" (1/1) ... [2022-03-15 20:30:25,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:30:25,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:30:26,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:30:26,084 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:30:26,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:30:26,102 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:30:26,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26 WrapperNode [2022-03-15 20:30:26,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:30:26,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:30:26,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:30:26,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:30:26,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,127 INFO L137 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-03-15 20:30:26,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:30:26,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:30:26,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:30:26,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:30:26,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:30:26,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:30:26,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:30:26,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:30:26,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (1/1) ... [2022-03-15 20:30:26,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:30:26,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:30:26,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 20:30:26,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 20:30:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:30:26,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:30:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:30:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:30:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:30:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:30:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2022-03-15 20:30:26,218 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2022-03-15 20:30:26,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:30:26,219 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:30:26,295 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:30:26,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:30:26,454 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:30:26,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:30:26,458 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 20:30:26,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:30:26 BoogieIcfgContainer [2022-03-15 20:30:26,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:30:26,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:30:26,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:30:26,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:30:26,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:30:25" (1/3) ... [2022-03-15 20:30:26,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4442be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:30:26, skipping insertion in model container [2022-03-15 20:30:26,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:26" (2/3) ... [2022-03-15 20:30:26,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4442be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:30:26, skipping insertion in model container [2022-03-15 20:30:26,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:30:26" (3/3) ... [2022-03-15 20:30:26,480 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2022-03-15 20:30:26,483 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:30:26,483 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:30:26,483 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 20:30:26,483 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:30:26,529 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,529 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,529 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,530 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,531 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,532 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,532 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,532 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,532 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,532 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,533 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,534 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,534 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,534 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,534 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,534 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,535 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,535 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,535 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,535 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,535 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,536 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,536 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,536 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,539 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,540 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,540 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,540 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,540 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:26,554 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-15 20:30:26,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:30:26,605 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:30:26,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 20:30:26,613 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:30:26,618 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 63 transitions, 134 flow [2022-03-15 20:30:26,620 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 63 transitions, 134 flow [2022-03-15 20:30:26,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 63 transitions, 134 flow [2022-03-15 20:30:26,658 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2022-03-15 20:30:26,658 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-03-15 20:30:26,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 73 events. 2/73 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 37. Up to 4 conditions per place. [2022-03-15 20:30:26,662 INFO L116 LiptonReduction]: Number of co-enabled transitions 720 [2022-03-15 20:30:27,843 INFO L131 LiptonReduction]: Checked pairs total: 638 [2022-03-15 20:30:27,843 INFO L133 LiptonReduction]: Total number of compositions: 59 [2022-03-15 20:30:27,849 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 10 transitions, 28 flow [2022-03-15 20:30:27,871 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-03-15 20:30:27,876 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:27,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-03-15 20:30:27,877 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-15 20:30:27,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:27,880 INFO L85 PathProgramCache]: Analyzing trace with hash 7563316, now seen corresponding path program 1 times [2022-03-15 20:30:27,902 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:27,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938279220] [2022-03-15 20:30:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:28,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:28,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938279220] [2022-03-15 20:30:28,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938279220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:28,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:28,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 20:30:28,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [759642752] [2022-03-15 20:30:28,060 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:28,062 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:28,069 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2022-03-15 20:30:28,069 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:28,072 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:28,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:30:28,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:28,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:30:28,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:30:28,099 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 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 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:28,113 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2022-03-15 20:30:28,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:30:28,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-03-15 20:30:28,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:28,118 INFO L225 Difference]: With dead ends: 12 [2022-03-15 20:30:28,118 INFO L226 Difference]: Without dead ends: 11 [2022-03-15 20:30:28,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:30:28,122 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:28,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:30:28,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-03-15 20:30:28,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-03-15 20:30:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2022-03-15 20:30:28,143 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2022-03-15 20:30:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:28,143 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-03-15 20:30:28,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-03-15 20:30:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 20:30:28,144 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:28,144 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-03-15 20:30:28,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:30:28,144 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-15 20:30:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:28,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1321584196, now seen corresponding path program 1 times [2022-03-15 20:30:28,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:28,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304448799] [2022-03-15 20:30:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:28,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:30:28,188 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 20:30:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:30:28,230 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 20:30:28,230 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 20:30:28,232 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-03-15 20:30:28,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-03-15 20:30:28,233 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining) [2022-03-15 20:30:28,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:30:28,235 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-15 20:30:28,237 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 20:30:28,237 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-15 20:30:28,250 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,251 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,252 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,252 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,252 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,252 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,252 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,252 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,253 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,253 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,253 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,253 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,255 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,256 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,256 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,256 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,256 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,256 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,257 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,257 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,257 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,257 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,257 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,258 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,258 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,258 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,258 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,259 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,259 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,259 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,259 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,260 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,261 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,262 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,263 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,263 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,263 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,263 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,264 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,266 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,268 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,268 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,268 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,269 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,270 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,270 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,270 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,270 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,271 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:28,277 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 20:30:28,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:30:28,285 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:30:28,285 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 20:30:28,288 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:30:28,288 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 85 transitions, 188 flow [2022-03-15 20:30:28,288 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 85 transitions, 188 flow [2022-03-15 20:30:28,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 85 transitions, 188 flow [2022-03-15 20:30:28,308 INFO L129 PetriNetUnfolder]: 3/131 cut-off events. [2022-03-15 20:30:28,308 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2022-03-15 20:30:28,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 131 events. 3/131 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 213 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 75. Up to 6 conditions per place. [2022-03-15 20:30:28,311 INFO L116 LiptonReduction]: Number of co-enabled transitions 3080 [2022-03-15 20:30:29,088 INFO L131 LiptonReduction]: Checked pairs total: 8504 [2022-03-15 20:30:29,088 INFO L133 LiptonReduction]: Total number of compositions: 56 [2022-03-15 20:30:29,089 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 86 flow [2022-03-15 20:30:29,144 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 991 states, 983 states have (on average 2.586978636826043) internal successors, (2543), 990 states have internal predecessors, (2543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 991 states, 983 states have (on average 2.586978636826043) internal successors, (2543), 990 states have internal predecessors, (2543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:30:29,153 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:29,153 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-03-15 20:30:29,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-03-15 20:30:29,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:29,153 INFO L85 PathProgramCache]: Analyzing trace with hash -799687930, now seen corresponding path program 1 times [2022-03-15 20:30:29,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:29,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378589823] [2022-03-15 20:30:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:29,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:30:29,184 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 20:30:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:30:29,197 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 20:30:29,197 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 20:30:29,197 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-03-15 20:30:29,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (2 of 4 remaining) [2022-03-15 20:30:29,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 4 remaining) [2022-03-15 20:30:29,197 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 4 remaining) [2022-03-15 20:30:29,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:30:29,198 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-15 20:30:29,198 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 20:30:29,198 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,205 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,206 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,207 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,208 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,209 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,210 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,211 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,212 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,213 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,214 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,215 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,216 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,217 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,218 WARN L322 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:29,220 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 20:30:29,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:30:29,221 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:30:29,221 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 20:30:29,222 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:30:29,222 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 107 transitions, 244 flow [2022-03-15 20:30:29,222 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 107 transitions, 244 flow [2022-03-15 20:30:29,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 107 transitions, 244 flow [2022-03-15 20:30:29,258 INFO L129 PetriNetUnfolder]: 4/199 cut-off events. [2022-03-15 20:30:29,258 INFO L130 PetriNetUnfolder]: For 13/16 co-relation queries the response was YES. [2022-03-15 20:30:29,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 199 events. 4/199 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 528 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 138. Up to 8 conditions per place. [2022-03-15 20:30:29,265 INFO L116 LiptonReduction]: Number of co-enabled transitions 6000 [2022-03-15 20:30:30,244 INFO L131 LiptonReduction]: Checked pairs total: 19020 [2022-03-15 20:30:30,244 INFO L133 LiptonReduction]: Total number of compositions: 65 [2022-03-15 20:30:30,245 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 47 transitions, 124 flow [2022-03-15 20:30:30,516 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12501 states, 12479 states have (on average 3.4515586184790448) internal successors, (43072), 12500 states have internal predecessors, (43072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 12501 states, 12479 states have (on average 3.4515586184790448) internal successors, (43072), 12500 states have internal predecessors, (43072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:30:30,572 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:30,572 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:30,572 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT (and 1 more)] === [2022-03-15 20:30:30,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:30,573 INFO L85 PathProgramCache]: Analyzing trace with hash 681900240, now seen corresponding path program 1 times [2022-03-15 20:30:30,575 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:30,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480330324] [2022-03-15 20:30:30,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:30,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:30,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480330324] [2022-03-15 20:30:30,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480330324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:30,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:30,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:30:30,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1956166531] [2022-03-15 20:30:30,619 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:30,619 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:30,621 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:30:30,622 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:30,622 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:30,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 20:30:30,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:30,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 20:30:30,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:30:30,646 INFO L87 Difference]: Start difference. First operand has 12501 states, 12479 states have (on average 3.4515586184790448) internal successors, (43072), 12500 states have internal predecessors, (43072), 0 states have call successors, (0), 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 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:30,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:30,953 INFO L93 Difference]: Finished difference Result 16031 states and 52086 transitions. [2022-03-15 20:30:30,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 20:30:30,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-03-15 20:30:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:31,129 INFO L225 Difference]: With dead ends: 16031 [2022-03-15 20:30:31,129 INFO L226 Difference]: Without dead ends: 15826 [2022-03-15 20:30:31,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-15 20:30:31,130 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 104 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:31,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 36 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:30:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2022-03-15 20:30:31,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2022-03-15 20:30:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13894 states, 13873 states have (on average 3.365602248972825) internal successors, (46691), 13893 states have internal predecessors, (46691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2022-03-15 20:30:31,617 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2022-03-15 20:30:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:31,618 INFO L470 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2022-03-15 20:30:31,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2022-03-15 20:30:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 20:30:31,619 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:31,619 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-03-15 20:30:31,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:30:31,620 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT (and 1 more)] === [2022-03-15 20:30:31,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:31,620 INFO L85 PathProgramCache]: Analyzing trace with hash 104080884, now seen corresponding path program 1 times [2022-03-15 20:30:31,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:31,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936734533] [2022-03-15 20:30:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:31,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:31,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936734533] [2022-03-15 20:30:31,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936734533] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:30:31,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611459634] [2022-03-15 20:30:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:31,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:31,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:30:31,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:30:31,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:30:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:31,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-15 20:30:31,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:30:32,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-03-15 20:30:32,017 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:30:32,032 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-15 20:30:32,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-03-15 20:30:32,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-15 20:30:32,093 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-03-15 20:30:32,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-03-15 20:30:32,128 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-03-15 20:30:32,137 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:32,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:30:32,161 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_101 (Array Int Int))) (<= 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_101) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|))) is different from false [2022-03-15 20:30:32,179 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 Int) (v_ArrVal_101 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (not (<= (+ (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_100)) (<= 2 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_100)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_101) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|))))) is different from false [2022-03-15 20:30:32,220 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 Int) (v_ArrVal_98 (Array Int Int)) (v_ArrVal_101 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_98))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= 2 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_100)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_101) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|)) (not (<= (+ (select .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_100)))))) is different from false [2022-03-15 20:30:32,251 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_100 Int) (v_ArrVal_98 (Array Int Int)) (v_ArrVal_101 (Array Int Int)) (v_ArrVal_96 Int)) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_96)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_98))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= 2 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_100)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_101) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|)) (not (<= (+ 1 (select .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset|)) v_ArrVal_100)) (not (<= (+ (select .cse2 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_96))))))) is different from false [2022-03-15 20:30:32,326 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_95 (Array Int Int)) (v_ArrVal_100 Int) (v_ArrVal_98 (Array Int Int)) (v_ArrVal_101 (Array Int Int)) (v_ArrVal_96 Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_95))) (let ((.cse2 (select .cse3 |c_ULTIMATE.start_main_~#i~0#1.base|))) (let ((.cse1 (store (store .cse3 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse2 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_96)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_98))) (let ((.cse0 (select .cse1 |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (not (<= (+ (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_100)) (<= 2 (select (select (store (store .cse1 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_100)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_101) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|)) (not (<= (+ (select .cse2 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_96)))))))) is different from false [2022-03-15 20:30:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2022-03-15 20:30:32,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611459634] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:30:32,328 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:30:32,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 8] total 13 [2022-03-15 20:30:32,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [706483776] [2022-03-15 20:30:32,328 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:32,329 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:32,331 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 20:30:32,331 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:32,331 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:32,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:30:32,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:32,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:30:32,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=51, Unknown=5, NotChecked=90, Total=182 [2022-03-15 20:30:32,332 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:32,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:32,529 INFO L93 Difference]: Finished difference Result 10102 states and 32801 transitions. [2022-03-15 20:30:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:30:32,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2022-03-15 20:30:32,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:32,597 INFO L225 Difference]: With dead ends: 10102 [2022-03-15 20:30:32,598 INFO L226 Difference]: Without dead ends: 9991 [2022-03-15 20:30:32,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=51, Unknown=5, NotChecked=90, Total=182 [2022-03-15 20:30:32,598 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 103 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:32,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 150 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:30:32,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9991 states. [2022-03-15 20:30:32,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9991 to 9991. [2022-03-15 20:30:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9991 states, 9978 states have (on average 3.2465423932651833) internal successors, (32394), 9990 states have internal predecessors, (32394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9991 states to 9991 states and 32394 transitions. [2022-03-15 20:30:32,884 INFO L78 Accepts]: Start accepts. Automaton has 9991 states and 32394 transitions. Word has length 15 [2022-03-15 20:30:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:32,885 INFO L470 AbstractCegarLoop]: Abstraction has 9991 states and 32394 transitions. [2022-03-15 20:30:32,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:30:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 9991 states and 32394 transitions. [2022-03-15 20:30:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 20:30:32,889 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:32,889 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:32,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 20:30:33,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:30:33,107 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT (and 1 more)] === [2022-03-15 20:30:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:33,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1353240545, now seen corresponding path program 1 times [2022-03-15 20:30:33,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:33,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306487630] [2022-03-15 20:30:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:33,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:30:33,121 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 20:30:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 20:30:33,134 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 20:30:33,134 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 20:30:33,134 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location myThreadErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-15 20:30:33,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-15 20:30:33,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (2 of 5 remaining) [2022-03-15 20:30:33,134 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 5 remaining) [2022-03-15 20:30:33,135 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 5 remaining) [2022-03-15 20:30:33,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:30:33,135 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-15 20:30:33,137 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2022-03-15 20:30:33,137 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:30:33,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:30:33 BasicIcfg [2022-03-15 20:30:33,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:30:33,178 INFO L158 Benchmark]: Toolchain (without parser) took 7255.43ms. Allocated memory was 207.6MB in the beginning and 505.4MB in the end (delta: 297.8MB). Free memory was 182.5MB in the beginning and 303.9MB in the end (delta: -121.3MB). Peak memory consumption was 175.9MB. Max. memory is 8.0GB. [2022-03-15 20:30:33,178 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:30:33,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.65ms. Allocated memory is still 207.6MB. Free memory was 182.3MB in the beginning and 182.4MB in the end (delta: -36.0kB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2022-03-15 20:30:33,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.71ms. Allocated memory is still 207.6MB. Free memory was 182.4MB in the beginning and 180.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:30:33,178 INFO L158 Benchmark]: Boogie Preprocessor took 12.29ms. Allocated memory is still 207.6MB. Free memory was 180.9MB in the beginning and 179.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:30:33,178 INFO L158 Benchmark]: RCFGBuilder took 319.41ms. Allocated memory is still 207.6MB. Free memory was 179.6MB in the beginning and 169.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-15 20:30:33,179 INFO L158 Benchmark]: TraceAbstraction took 6716.83ms. Allocated memory was 207.6MB in the beginning and 505.4MB in the end (delta: 297.8MB). Free memory was 168.6MB in the beginning and 303.9MB in the end (delta: -135.3MB). Peak memory consumption was 163.6MB. Max. memory is 8.0GB. [2022-03-15 20:30:33,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.65ms. Allocated memory is still 207.6MB. Free memory was 182.3MB in the beginning and 182.4MB in the end (delta: -36.0kB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.71ms. Allocated memory is still 207.6MB. Free memory was 182.4MB in the beginning and 180.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.29ms. Allocated memory is still 207.6MB. Free memory was 180.9MB in the beginning and 179.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 319.41ms. Allocated memory is still 207.6MB. Free memory was 179.6MB in the beginning and 169.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 6716.83ms. Allocated memory was 207.6MB in the beginning and 505.4MB in the end (delta: 297.8MB). Free memory was 168.6MB in the beginning and 303.9MB in the end (delta: -135.3MB). Peak memory consumption was 163.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2s, 65 PlacesBefore, 13 PlacesAfterwards, 63 TransitionsBefore, 10 TransitionsAfterwards, 720 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 59 TotalNumberOfCompositions, 638 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 596, positive: 586, positive conditional: 0, positive unconditional: 586, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 398, positive: 392, positive conditional: 0, positive unconditional: 392, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 596, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 398, unknown conditional: 0, unknown unconditional: 398] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8s, 88 PlacesBefore, 38 PlacesAfterwards, 85 TransitionsBefore, 34 TransitionsAfterwards, 3080 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 8504 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4422, positive: 4184, positive conditional: 0, positive unconditional: 4184, negative: 238, negative conditional: 0, negative unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1628, positive: 1586, positive conditional: 0, positive unconditional: 1586, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4422, positive: 2598, positive conditional: 0, positive unconditional: 2598, negative: 196, negative conditional: 0, negative unconditional: 196, unknown: 1628, unknown conditional: 0, unknown unconditional: 1628] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.0s, 111 PlacesBefore, 52 PlacesAfterwards, 107 TransitionsBefore, 47 TransitionsAfterwards, 6000 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 65 TotalNumberOfCompositions, 19020 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7646, positive: 7291, positive conditional: 0, positive unconditional: 7291, negative: 355, negative conditional: 0, negative unconditional: 355, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2961, positive: 2886, positive conditional: 0, positive unconditional: 2886, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7646, positive: 4405, positive conditional: 0, positive unconditional: 4405, negative: 280, negative conditional: 0, negative unconditional: 280, unknown: 2961, unknown conditional: 0, unknown unconditional: 2961] , Statistics on independence cache: Total cache size (in pairs): 396, Positive cache size: 364, Positive conditional cache size: 0, Positive unconditional cache size: 364, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; [L21] 0 static int s = 0; [L30] 0 int i; [L31] 0 pthread_t tid; [L34] 0 i = 0 VAL [g=0, i={2:0}, s=0, tid={3:0}] [L34] EXPR 0 \read(i) [L34] COND TRUE 0 i < 3 [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, i={2:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-2, s=0, tid={3:0}, vargp={2:0}] [L34] EXPR 0 \read(i) [L34] 0 i++ [L34] EXPR 0 \read(i) [L34] COND TRUE 0 i < 3 [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, i={2:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-1, s=0, tid={3:0}, vargp={2:0}] [L20] 2 int *myid = (int *)vargp; [L22] 2 ++s VAL [g=0, myid={2:0}, s=1, vargp={2:0}, vargp={2:0}] [L22] 2 ++g VAL [g=1, myid={2:0}, s=1, vargp={2:0}, vargp={2:0}] [L24] 2 \read(*myid) VAL [\read(*myid)=1, g=1, myid={2:0}, s=1, vargp={2:0}, vargp={2:0}] [L20] 1 int *myid = (int *)vargp; [L22] 1 ++s VAL [\read(*myid)=1, g=1, myid={2:0}, s=2, vargp={2:0}, vargp={2:0}] [L24] 2 ++s VAL [++s=3, \read(*myid)=1, g=1, myid={2:0}, s=3, vargp={2:0}, vargp={2:0}] [L24] 2 ++g VAL [++g=2, ++s=3, \read(*myid)=1, g=2, myid={2:0}, s=3, vargp={2:0}, vargp={2:0}] [L25] 2 CodeAnnotStmt[Assertion] VAL [g=2, myid={2:0}, s=3, vargp={2:0}, vargp={2:0}] - UnprovableResult [Line: 35]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=991occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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 with 3 thread instances CFG has 5 procedures, 126 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 359 IncrementalHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 56 mSDtfsCounter, 359 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13894occurred in iteration=1, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 2 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 9 QuantifiedInterpolants, 812 SizeOfPredicates, 1 NumberOfNonLiveVariables, 119 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 21/54 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 RESULT: Ultimate proved your program to be incorrect! [2022-03-15 20:30:33,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...