/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 17:04:12,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 17:04:12,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 17:04:12,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-01 17:04:12,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-01 17:04:12,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-01 17:04:12,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-01 17:04:12,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-01 17:04:12,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-01 17:04:12,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-01 17:04:12,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-01 17:04:12,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-01 17:04:12,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-01 17:04:12,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-01 17:04:12,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-01 17:04:12,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-01 17:04:12,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-01 17:04:12,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-01 17:04:12,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-01 17:04:12,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-01 17:04:12,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-01 17:04:12,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-01 17:04:12,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-01 17:04:12,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-01 17:04:12,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-01 17:04:12,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 17:04:12,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 17:04:12,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 17:04:12,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-01 17:04:12,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 17:04:12,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 17:04:12,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 17:04:12,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 17:04:12,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 17:04:12,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 17:04:12,769 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 17:04:12,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 17:04:12,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 17:04:12,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 17:04:12,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 17:04:12,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 17:04:12,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 17:04:12,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 17:04:12,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 17:04:12,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 17:04:12,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 17:04:12,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 17:04:13,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 17:04:13,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 17:04:13,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 17:04:13,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 17:04:13,019 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 17:04:13,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2021-06-01 17:04:13,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273fc3d6c/0bb08e9fda6e4e689cb3bf00dec1496a/FLAGb42e8ecd9 [2021-06-01 17:04:13,508 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 17:04:13,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2021-06-01 17:04:13,509 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 17:04:13,509 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 17:04:13,509 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 17:04:13,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273fc3d6c/0bb08e9fda6e4e689cb3bf00dec1496a/FLAGb42e8ecd9 [2021-06-01 17:04:13,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273fc3d6c/0bb08e9fda6e4e689cb3bf00dec1496a [2021-06-01 17:04:13,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 17:04:13,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 17:04:13,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 17:04:13,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 17:04:13,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 17:04:13,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b94c397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13, skipping insertion in model container [2021-06-01 17:04:13,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 17:04:13,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 17:04:13,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 17:04:13,696 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 17:04:13,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 17:04:13,740 INFO L208 MainTranslator]: Completed translation [2021-06-01 17:04:13,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13 WrapperNode [2021-06-01 17:04:13,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 17:04:13,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 17:04:13,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 17:04:13,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 17:04:13,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 17:04:13,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 17:04:13,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 17:04:13,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 17:04:13,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... [2021-06-01 17:04:13,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 17:04:13,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 17:04:13,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 17:04:13,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 17:04:13,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 17:04:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 17:04:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 17:04:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 17:04:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-01 17:04:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 17:04:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-06-01 17:04:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-06-01 17:04:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 17:04:13,838 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 17:04:14,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 17:04:14,080 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-01 17:04:14,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 05:04:14 BoogieIcfgContainer [2021-06-01 17:04:14,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 17:04:14,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 17:04:14,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 17:04:14,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 17:04:14,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 05:04:13" (1/3) ... [2021-06-01 17:04:14,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eaa228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 05:04:14, skipping insertion in model container [2021-06-01 17:04:14,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:04:13" (2/3) ... [2021-06-01 17:04:14,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37eaa228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 05:04:14, skipping insertion in model container [2021-06-01 17:04:14,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 05:04:14" (3/3) ... [2021-06-01 17:04:14,088 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2021-06-01 17:04:14,091 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 17:04:14,092 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 17:04:14,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 17:04:14,092 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,111 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,112 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,113 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,114 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,115 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,116 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,116 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,117 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,117 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,117 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,117 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,118 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,125 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-01 17:04:14,138 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:04:14,149 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:04:14,149 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:04:14,149 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:04:14,150 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:04:14,150 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:04:14,150 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:04:14,150 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:04:14,150 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread1of1ForFork0======== [2021-06-01 17:04:14,156 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 59 transitions, 126 flow [2021-06-01 17:04:14,173 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-01 17:04:14,183 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:04:14,183 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:04:14,183 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:04:14,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:04:14,186 INFO L82 PathProgramCache]: Analyzing trace with hash 602049147, now seen corresponding path program 1 times [2021-06-01 17:04:14,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:04:14,192 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424699320] [2021-06-01 17:04:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:04:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 17:04:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 17:04:14,325 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 17:04:14,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424699320] [2021-06-01 17:04:14,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424699320] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 17:04:14,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 17:04:14,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-01 17:04:14,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573960953] [2021-06-01 17:04:14,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-01 17:04:14,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 17:04:14,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-01 17:04:14,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:04:14,343 INFO L87 Difference]: Start difference. First operand has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 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 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 17:04:14,384 INFO L93 Difference]: Finished difference Result 390 states and 712 transitions. [2021-06-01 17:04:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 17:04:14,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-01 17:04:14,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 17:04:14,389 INFO L225 Difference]: With dead ends: 390 [2021-06-01 17:04:14,389 INFO L226 Difference]: Without dead ends: 0 [2021-06-01 17:04:14,390 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:04:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-01 17:04:14,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-01 17:04:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-01 17:04:14,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-06-01 17:04:14,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 17:04:14,403 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-01 17:04:14,403 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-01 17:04:14,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-01 17:04:14,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 17:04:14,404 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread1of1ForFork0 was SAFE (1/3) [2021-06-01 17:04:14,405 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:04:14,406 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:04:14,406 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:04:14,407 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:04:14,407 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:04:14,407 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:04:14,407 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:04:14,407 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:04:14,407 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 17:04:14,408 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 59 transitions, 126 flow [2021-06-01 17:04:14,413 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-01 17:04:14,415 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:04:14,415 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:04:14,415 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-01 17:04:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:04:14,416 INFO L82 PathProgramCache]: Analyzing trace with hash 928431840, now seen corresponding path program 1 times [2021-06-01 17:04:14,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:04:14,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436803576] [2021-06-01 17:04:14,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:04:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:04:14,435 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:04:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:04:14,457 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:04:14,475 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 17:04:14,475 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 17:04:14,475 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 17:04:14,475 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-01 17:04:14,476 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-01 17:04:14,476 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,484 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,485 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,486 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,487 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,488 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,489 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,490 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,491 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,492 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,493 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,494 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,494 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,494 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,495 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,495 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,496 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,500 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-01 17:04:14,500 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:04:14,501 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:04:14,501 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:04:14,501 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:04:14,501 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:04:14,501 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:04:14,501 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:04:14,502 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:04:14,502 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 17:04:14,503 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 81 transitions, 180 flow [2021-06-01 17:04:14,765 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8703 states, 8691 states have (on average 2.8241859394776205) internal successors, (24545), 8702 states have internal predecessors, (24545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 8703 states, 8691 states have (on average 2.8241859394776205) internal successors, (24545), 8702 states have internal predecessors, (24545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:04:14,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-01 17:04:14,800 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:04:14,800 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:04:14,800 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-01 17:04:14,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:04:14,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1079315916, now seen corresponding path program 1 times [2021-06-01 17:04:14,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:04:14,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393518056] [2021-06-01 17:04:14,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:04:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:04:14,816 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:04:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:04:14,830 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:04:14,837 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 17:04:14,837 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 17:04:14,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 17:04:14,837 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/4) [2021-06-01 17:04:14,837 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-01 17:04:14,837 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-01 17:04:14,847 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,848 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,849 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,850 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,851 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,852 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,853 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,854 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,855 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,856 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,857 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,858 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,859 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,860 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,861 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,861 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,861 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,861 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,861 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,861 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,862 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,864 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,865 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,865 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,865 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,865 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,865 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,866 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,866 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,866 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,866 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,866 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,867 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:04:14,871 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-01 17:04:14,871 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:04:14,872 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:04:14,872 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:04:14,872 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:04:14,872 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:04:14,872 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:04:14,872 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:04:14,872 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:04:14,873 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread3of3ForFork0======== [2021-06-01 17:04:14,874 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-01 17:05:00,227 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-06-01 17:05:00,644 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:05:00,644 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:05:00,644 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:05:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:05:00,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1341570644, now seen corresponding path program 1 times [2021-06-01 17:05:00,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:05:00,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384720780] [2021-06-01 17:05:00,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:05:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 17:05:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-01 17:05:00,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 17:05:00,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384720780] [2021-06-01 17:05:00,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384720780] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 17:05:00,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 17:05:00,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-01 17:05:00,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612324256] [2021-06-01 17:05:00,760 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-01 17:05:00,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 17:05:00,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-01 17:05:00,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:05:00,937 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:03,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 17:05:03,309 INFO L93 Difference]: Finished difference Result 238575 states and 855121 transitions. [2021-06-01 17:05:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 17:05:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 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 64 [2021-06-01 17:05:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 17:05:04,194 INFO L225 Difference]: With dead ends: 238575 [2021-06-01 17:05:04,194 INFO L226 Difference]: Without dead ends: 192582 [2021-06-01 17:05:04,194 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:05:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192582 states. [2021-06-01 17:05:16,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192582 to 177336. [2021-06-01 17:05:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177336 states, 177327 states have (on average 3.66923818707811) internal successors, (650655), 177335 states have internal predecessors, (650655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177336 states to 177336 states and 650655 transitions. [2021-06-01 17:05:17,971 INFO L78 Accepts]: Start accepts. Automaton has 177336 states and 650655 transitions. Word has length 64 [2021-06-01 17:05:17,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 17:05:17,972 INFO L482 AbstractCegarLoop]: Abstraction has 177336 states and 650655 transitions. [2021-06-01 17:05:17,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 177336 states and 650655 transitions. [2021-06-01 17:05:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-01 17:05:18,063 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:05:18,064 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:05:18,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 17:05:18,064 INFO L430 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:05:18,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:05:18,064 INFO L82 PathProgramCache]: Analyzing trace with hash -74864138, now seen corresponding path program 1 times [2021-06-01 17:05:18,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:05:18,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972766663] [2021-06-01 17:05:18,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:05:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:05:18,090 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:05:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:05:18,104 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:05:18,112 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 17:05:18,113 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 17:05:18,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-01 17:05:18,113 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread3of3ForFork0 was UNSAFE (1/5) [2021-06-01 17:05:18,115 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:05:18,115 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:05:18,115 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:05:18,115 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:05:18,115 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:05:18,115 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:05:18,116 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:05:18,116 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:05:18,116 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread1of3ForFork0======== [2021-06-01 17:05:18,120 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-01 17:06:02,948 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:06:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:06:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-01 17:06:03,136 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:06:03,136 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:06:03,136 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:06:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:06:03,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1652472541, now seen corresponding path program 1 times [2021-06-01 17:06:03,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:06:03,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49716717] [2021-06-01 17:06:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:06:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 17:06:03,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 17:06:03,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 17:06:03,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49716717] [2021-06-01 17:06:03,427 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49716717] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 17:06:03,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 17:06:03,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-01 17:06:03,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457645150] [2021-06-01 17:06:03,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-01 17:06:03,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 17:06:03,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-01 17:06:03,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:06:03,650 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:06:05,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 17:06:05,345 INFO L93 Difference]: Finished difference Result 238575 states and 855121 transitions. [2021-06-01 17:06:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 17:06:05,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-01 17:06:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 17:06:06,050 INFO L225 Difference]: With dead ends: 238575 [2021-06-01 17:06:06,050 INFO L226 Difference]: Without dead ends: 193025 [2021-06-01 17:06:06,050 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:06:14,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193025 states. [2021-06-01 17:06:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193025 to 177896. [2021-06-01 17:06:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177896 states, 177885 states have (on average 3.6660145599685188) internal successors, (652129), 177895 states have internal predecessors, (652129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:06:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177896 states to 177896 states and 652129 transitions. [2021-06-01 17:06:18,463 INFO L78 Accepts]: Start accepts. Automaton has 177896 states and 652129 transitions. Word has length 36 [2021-06-01 17:06:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 17:06:18,463 INFO L482 AbstractCegarLoop]: Abstraction has 177896 states and 652129 transitions. [2021-06-01 17:06:18,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:06:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 177896 states and 652129 transitions. [2021-06-01 17:06:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-01 17:06:18,902 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:06:18,902 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:06:18,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-01 17:06:18,903 INFO L430 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:06:18,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:06:18,903 INFO L82 PathProgramCache]: Analyzing trace with hash 943126845, now seen corresponding path program 1 times [2021-06-01 17:06:18,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:06:18,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13472664] [2021-06-01 17:06:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:06:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:06:18,911 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:06:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:06:18,932 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:06:18,937 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 17:06:18,937 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 17:06:18,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-01 17:06:18,937 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread1of3ForFork0 was UNSAFE (2/5) [2021-06-01 17:06:18,938 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:06:18,938 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:06:18,938 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:06:18,938 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:06:18,938 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:06:18,938 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:06:18,938 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:06:18,938 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:06:18,939 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread2of3ForFork0======== [2021-06-01 17:06:18,940 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-01 17:07:02,802 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:07:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:07:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-01 17:07:03,201 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:07:03,201 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:07:03,201 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:07:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:07:03,202 INFO L82 PathProgramCache]: Analyzing trace with hash -679552101, now seen corresponding path program 1 times [2021-06-01 17:07:03,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:07:03,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111605980] [2021-06-01 17:07:03,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:07:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 17:07:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-01 17:07:03,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 17:07:03,298 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111605980] [2021-06-01 17:07:03,298 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111605980] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 17:07:03,298 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 17:07:03,298 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-01 17:07:03,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415369325] [2021-06-01 17:07:03,298 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-01 17:07:03,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 17:07:03,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-01 17:07:03,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:07:03,528 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:07:04,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 17:07:04,904 INFO L93 Difference]: Finished difference Result 238575 states and 855121 transitions. [2021-06-01 17:07:04,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 17:07:04,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 50 [2021-06-01 17:07:04,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 17:07:05,523 INFO L225 Difference]: With dead ends: 238575 [2021-06-01 17:07:05,523 INFO L226 Difference]: Without dead ends: 193053 [2021-06-01 17:07:05,523 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 17:07:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193053 states. [2021-06-01 17:07:16,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193053 to 177924. [2021-06-01 17:07:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177924 states, 177913 states have (on average 3.6657523621095702) internal successors, (652185), 177923 states have internal predecessors, (652185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:07:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177924 states to 177924 states and 652185 transitions. [2021-06-01 17:07:17,920 INFO L78 Accepts]: Start accepts. Automaton has 177924 states and 652185 transitions. Word has length 50 [2021-06-01 17:07:17,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 17:07:17,921 INFO L482 AbstractCegarLoop]: Abstraction has 177924 states and 652185 transitions. [2021-06-01 17:07:17,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:07:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 177924 states and 652185 transitions. [2021-06-01 17:07:17,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-01 17:07:17,925 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:07:17,925 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:07:17,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-01 17:07:17,926 INFO L430 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 17:07:17,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:07:17,926 INFO L82 PathProgramCache]: Analyzing trace with hash -915150147, now seen corresponding path program 1 times [2021-06-01 17:07:17,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:07:17,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296620259] [2021-06-01 17:07:17,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:07:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:07:17,941 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:07:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 17:07:17,948 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 17:07:17,953 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 17:07:17,953 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 17:07:17,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-01 17:07:17,953 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread2of3ForFork0 was UNSAFE (3/5) [2021-06-01 17:07:17,953 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:07:17,954 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:07:17,954 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:07:17,954 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:07:17,954 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:07:17,954 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:07:17,954 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:07:17,954 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:07:17,954 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 17:07:17,955 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-01 17:08:03,311 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-01 17:08:03,769 INFO L546 BasicCegarLoop]: Found error trace [2021-06-01 17:08:03,769 INFO L554 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-01 17:08:03,769 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-01 17:08:03,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 17:08:03,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1577802081, now seen corresponding path program 1 times [2021-06-01 17:08:03,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 17:08:03,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251847005] [2021-06-01 17:08:03,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 17:08:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 17:08:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 17:08:04,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 17:08:04,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251847005] [2021-06-01 17:08:04,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251847005] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 17:08:04,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491989783] [2021-06-01 17:08:04,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 17:08:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 17:08:04,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-01 17:08:04,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 17:08:04,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-06-01 17:08:04,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,194 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-06-01 17:08:04,216 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-01 17:08:04,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-01 17:08:04,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,220 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-06-01 17:08:04,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-01 17:08:04,230 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,234 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2021-06-01 17:08:04,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-01 17:08:04,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,286 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:12 [2021-06-01 17:08:04,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-06-01 17:08:04,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:12 [2021-06-01 17:08:04,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-01 17:08:04,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,395 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,395 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:12 [2021-06-01 17:08:04,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-06-01 17:08:04,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:12 [2021-06-01 17:08:04,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-01 17:08:04,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,526 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:7 [2021-06-01 17:08:04,590 INFO L388 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 [2021-06-01 17:08:04,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,596 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:7 [2021-06-01 17:08:04,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 7 [2021-06-01 17:08:04,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-01 17:08:04,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-01 17:08:04,621 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2021-06-01 17:08:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 17:08:04,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491989783] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 17:08:04,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 17:08:04,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 23 [2021-06-01 17:08:04,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801174315] [2021-06-01 17:08:04,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-01 17:08:04,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 17:08:04,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-01 17:08:04,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2021-06-01 17:08:04,819 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 23 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:06,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-01 17:08:06,431 INFO L93 Difference]: Finished difference Result 131301 states and 477220 transitions. [2021-06-01 17:08:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-01 17:08:06,432 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 23 states have internal predecessors, (76), 0 states have call successors, (0), 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 60 [2021-06-01 17:08:06,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-01 17:08:06,432 INFO L225 Difference]: With dead ends: 131301 [2021-06-01 17:08:06,432 INFO L226 Difference]: Without dead ends: 0 [2021-06-01 17:08:06,432 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 521.0ms TimeCoverageRelationStatistics Valid=314, Invalid=1578, Unknown=0, NotChecked=0, Total=1892 [2021-06-01 17:08:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-01 17:08:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-01 17:08:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-01 17:08:06,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2021-06-01 17:08:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-01 17:08:06,433 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-01 17:08:06,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 23 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-01 17:08:06,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-01 17:08:06,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-01 17:08:06,651 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-01 17:08:06,651 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:08:06,652 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:08:06,652 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:08:06,652 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:08:06,652 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:08:06,652 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:08:06,652 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:08:06,652 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:08:06,652 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThread======== [2021-06-01 17:08:06,653 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-01 17:08:50,794 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:08:51,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-01 17:08:51,694 INFO L301 ceAbstractionStarter]: Result for error location myThread was SAFE (5/5) [2021-06-01 17:08:51,694 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2021-06-01 17:08:51,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 05:08:51 BasicIcfg [2021-06-01 17:08:51,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 17:08:51,734 INFO L168 Benchmark]: Toolchain (without parser) took 278182.60 ms. Allocated memory was 369.1 MB in the beginning and 13.7 GB in the end (delta: 13.3 GB). Free memory was 331.2 MB in the beginning and 12.8 GB in the end (delta: -12.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 369.1 MB. Free memory is still 349.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.76 ms. Allocated memory is still 369.1 MB. Free memory was 331.0 MB in the beginning and 352.9 MB in the end (delta: -22.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.59 ms. Allocated memory is still 369.1 MB. Free memory was 352.9 MB in the beginning and 351.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L168 Benchmark]: Boogie Preprocessor took 22.66 ms. Allocated memory is still 369.1 MB. Free memory was 351.9 MB in the beginning and 350.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L168 Benchmark]: RCFGBuilder took 296.54 ms. Allocated memory is still 369.1 MB. Free memory was 350.6 MB in the beginning and 331.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L168 Benchmark]: TraceAbstraction took 277648.44 ms. Allocated memory was 369.1 MB in the beginning and 13.7 GB in the end (delta: 13.3 GB). Free memory was 330.9 MB in the beginning and 12.8 GB in the end (delta: -12.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. [2021-06-01 17:08:51,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 369.1 MB. Free memory is still 349.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 188.76 ms. Allocated memory is still 369.1 MB. Free memory was 331.0 MB in the beginning and 352.9 MB in the end (delta: -22.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.59 ms. Allocated memory is still 369.1 MB. Free memory was 352.9 MB in the beginning and 351.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.66 ms. Allocated memory is still 369.1 MB. Free memory was 351.9 MB in the beginning and 350.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 296.54 ms. Allocated memory is still 369.1 MB. Free memory was 350.6 MB in the beginning and 331.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 277648.44 ms. Allocated memory was 369.1 MB in the beginning and 13.7 GB in the end (delta: 13.3 GB). Free memory was 330.9 MB in the beginning and 12.8 GB in the end (delta: -12.4 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; VAL [g=0] [L21] 0 static int s = 0; VAL [g=0, s=0] [L30] 0 int i; VAL [g=0, s=0] [L31] 0 pthread_t tid; VAL [g=0, s=0] [L34] 0 i = 0 VAL [g=0, s=0] [L34] EXPR 0 \read(i) VAL [g=0, s=0] [L34] COND TRUE 0 i < 3 VAL [g=0, s=0] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={5:0}] [L20] 1 int *myid = (int *)vargp; VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] 0 i++ VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [++s=1, g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [++s=1, g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [++s=1, g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [++s=1, g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L20] 2 int *myid = (int *)vargp; VAL [++s=1, g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L22] 2 ++s VAL [++s=1, g=0, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L22] 2 ++g VAL [++s=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 2 \read(*myid) VAL [++s=1, \read(*myid)=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 2 ++s VAL [++s=3, ++s=1, \read(*myid)=1, g=1, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 ++g VAL [++g=2, ++s=3, ++s=1, \read(*myid)=1, g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L25] 2 CodeAnnotStmt[Assertion] VAL [++s=1, g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 256.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.5ms, AutomataDifference: 58.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 78 SDslu, 85 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.5ms SsaConstructionTime, 22.2ms SatisfiabilityAnalysisTime, 67.9ms InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 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 for errors in thread instance: myThreadThread1of1ForFork0 with 2 thread instances CFG has 4 procedures, 101 locations, 4 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of1ForFork0 with 3 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 68.8ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 1.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7ms SsaConstructionTime, 15.3ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 101 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 336.1ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 34.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 263.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8703occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.6ms SsaConstructionTime, 11.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 3 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 48697.6ms, OverallIterations: 1, TraceHistogramMax: 4, EmptinessCheckTime: 457.9ms, AutomataDifference: 1802.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45357.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 572 SDtfs, 2005 SDslu, 7200 SDs, 0 SdLazy, 883 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 288.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 521.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.9ms SsaConstructionTime, 32.9ms SatisfiabilityAnalysisTime, 771.8ms InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 1057 SizeOfPredicates, 14 NumberOfNonLiveVariables, 121 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 58/126 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread3of3ForFork0 with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 63241.2ms, OverallIterations: 2, TraceHistogramMax: 3, EmptinessCheckTime: 507.4ms, AutomataDifference: 3434.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 45355.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 169 SDslu, 196 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13776.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 15246 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.2ms SsaConstructionTime, 40.6ms SatisfiabilityAnalysisTime, 81.5ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of3ForFork0 with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 60822.0ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 626.8ms, AutomataDifference: 2621.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44832.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 178 SDslu, 196 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 77.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 12411.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 15129 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 236.1ms SsaConstructionTime, 9.1ms SatisfiabilityAnalysisTime, 48.2ms InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 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 for errors in thread instance: myThreadThread2of3ForFork0 with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 59014.7ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 403.1ms, AutomataDifference: 2224.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43863.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 170 SDslu, 196 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 12397.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 15129 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.0ms SsaConstructionTime, 16.0ms SatisfiabilityAnalysisTime, 88.7ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 137 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThread with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45042.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 899.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 44142.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...