/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix011_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 15:15:26,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 15:15:26,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 15:15:26,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 15:15:26,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 15:15:26,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 15:15:26,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 15:15:26,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 15:15:26,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 15:15:26,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 15:15:26,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 15:15:26,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 15:15:26,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 15:15:26,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 15:15:26,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 15:15:26,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 15:15:26,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 15:15:26,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 15:15:26,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 15:15:26,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 15:15:26,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 15:15:26,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 15:15:26,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 15:15:26,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 15:15:26,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 15:15:26,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 15:15:26,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 15:15:26,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 15:15:26,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 15:15:26,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 15:15:26,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 15:15:26,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 15:15:26,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 15:15:26,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 15:15:26,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 15:15:26,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 15:15:26,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 15:15:26,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 15:15:26,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 15:15:26,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 15:15:26,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 15:15:26,812 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-Delay.epf [2021-06-16 15:15:26,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 15:15:26,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 15:15:26,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 15:15:26,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 15:15:26,844 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 15:15:26,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 15:15:26,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 15:15:26,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 15:15:26,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 15:15:26,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 15:15:26,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 15:15:26,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 15:15:26,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 15:15:26,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 15:15:26,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 15:15:26,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 15:15:26,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 15:15:26,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 15:15:26,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 15:15:26,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:15:26,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 15:15:26,847 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 15:15:26,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 15:15:26,848 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 15:15:26,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 15:15:27,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 15:15:27,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 15:15:27,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 15:15:27,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 15:15:27,115 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 15:15:27,115 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011_power.oepc.i [2021-06-16 15:15:27,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c348e0ff/7dcf31b6d86245a4941ef2faa5591709/FLAG083066d64 [2021-06-16 15:15:27,579 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 15:15:27,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_power.oepc.i [2021-06-16 15:15:27,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c348e0ff/7dcf31b6d86245a4941ef2faa5591709/FLAG083066d64 [2021-06-16 15:15:27,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c348e0ff/7dcf31b6d86245a4941ef2faa5591709 [2021-06-16 15:15:27,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 15:15:27,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 15:15:27,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 15:15:27,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 15:15:27,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 15:15:27,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:15:27" (1/1) ... [2021-06-16 15:15:27,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7970fb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:27, skipping insertion in model container [2021-06-16 15:15:27,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:15:27" (1/1) ... [2021-06-16 15:15:27,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 15:15:27,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 15:15:27,794 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_power.oepc.i[951,964] [2021-06-16 15:15:27,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:15:27,916 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 15:15:27,923 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011_power.oepc.i[951,964] [2021-06-16 15:15:27,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:15:28,002 INFO L208 MainTranslator]: Completed translation [2021-06-16 15:15:28,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28 WrapperNode [2021-06-16 15:15:28,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 15:15:28,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 15:15:28,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 15:15:28,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 15:15:28,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 15:15:28,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 15:15:28,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 15:15:28,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 15:15:28,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (1/1) ... [2021-06-16 15:15:28,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 15:15:28,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 15:15:28,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 15:15:28,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 15:15:28,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (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 [2021-06-16 15:15:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 15:15:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 15:15:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 15:15:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 15:15:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 15:15:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 15:15:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 15:15:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 15:15:28,169 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 15:15:29,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 15:15:29,442 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-16 15:15:29,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:15:29 BoogieIcfgContainer [2021-06-16 15:15:29,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 15:15:29,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 15:15:29,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 15:15:29,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 15:15:29,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 03:15:27" (1/3) ... [2021-06-16 15:15:29,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc6e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:15:29, skipping insertion in model container [2021-06-16 15:15:29,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:15:28" (2/3) ... [2021-06-16 15:15:29,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc6e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:15:29, skipping insertion in model container [2021-06-16 15:15:29,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:15:29" (3/3) ... [2021-06-16 15:15:29,451 INFO L111 eAbstractionObserver]: Analyzing ICFG mix011_power.oepc.i [2021-06-16 15:15:29,455 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 15:15:29,455 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 15:15:29,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 15:15:29,456 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 15:15:29,483 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,484 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,485 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,488 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,489 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,492 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,493 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,494 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,495 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,496 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,497 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,499 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,507 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,511 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,518 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:15:29,521 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 15:15:29,535 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:15:29,554 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:15:29,555 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:15:29,555 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:15:29,555 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:15:29,555 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:15:29,556 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:15:29,558 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:15:29,558 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0======== [2021-06-16 15:15:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 22606 states, 20110 states have (on average 2.365788165091994) internal successors, (47576), 22605 states have internal predecessors, (47576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:31,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:15:31,211 INFO L301 ceAbstractionStarter]: Result for error location P0 was SAFE (1/3) [2021-06-16 15:15:31,213 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-16 15:15:31,219 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:15:31,219 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:15:31,219 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:15:31,219 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:15:31,219 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:15:31,219 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:15:31,219 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:15:31,219 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 15:15:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 22606 states, 20110 states have (on average 2.365788165091994) internal successors, (47576), 22605 states have internal predecessors, (47576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-16 15:15:32,629 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:32,629 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:32,630 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:32,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 42903708, now seen corresponding path program 1 times [2021-06-16 15:15:32,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:32,639 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252239665] [2021-06-16 15:15:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:32,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:32,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:32,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:32,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:32,938 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-16 15:15:32,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 15:15:32,954 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:15:32,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:15:32,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:32,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:32,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:32,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:32,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:32,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252239665] [2021-06-16 15:15:32,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252239665] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:32,990 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:32,990 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:15:32,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989998614] [2021-06-16 15:15:32,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:15:32,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:33,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:15:33,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:15:33,035 INFO L87 Difference]: Start difference. First operand has 22606 states, 20110 states have (on average 2.365788165091994) internal successors, (47576), 22605 states have internal predecessors, (47576), 0 states have call successors, (0), 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 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:33,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:33,610 INFO L93 Difference]: Finished difference Result 38322 states and 84791 transitions. [2021-06-16 15:15:33,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 15:15:33,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2021-06-16 15:15:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:33,668 INFO L225 Difference]: With dead ends: 38322 [2021-06-16 15:15:33,668 INFO L226 Difference]: Without dead ends: 7642 [2021-06-16 15:15:33,669 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 160.6ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:15:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7642 states. [2021-06-16 15:15:33,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7642 to 6172. [2021-06-16 15:15:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6172 states, 6118 states have (on average 2.2806472703497875) internal successors, (13953), 6171 states have internal predecessors, (13953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 6172 states and 13953 transitions. [2021-06-16 15:15:33,889 INFO L78 Accepts]: Start accepts. Automaton has 6172 states and 13953 transitions. Word has length 71 [2021-06-16 15:15:33,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:33,889 INFO L482 AbstractCegarLoop]: Abstraction has 6172 states and 13953 transitions. [2021-06-16 15:15:33,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:33,890 INFO L276 IsEmpty]: Start isEmpty. Operand 6172 states and 13953 transitions. [2021-06-16 15:15:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-06-16 15:15:33,897 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:33,897 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:33,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 15:15:33,898 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1821725862, now seen corresponding path program 1 times [2021-06-16 15:15:33,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:33,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756381164] [2021-06-16 15:15:33,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:34,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:34,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:34,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-16 15:15:34,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 15:15:34,101 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:15:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:15:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:34,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:34,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:34,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:34,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756381164] [2021-06-16 15:15:34,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756381164] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:34,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:34,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:15:34,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160444246] [2021-06-16 15:15:34,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:15:34,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:34,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:15:34,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:15:34,129 INFO L87 Difference]: Start difference. First operand 6172 states and 13953 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:34,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:34,334 INFO L93 Difference]: Finished difference Result 8035 states and 19804 transitions. [2021-06-16 15:15:34,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 15:15:34,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2021-06-16 15:15:34,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:34,357 INFO L225 Difference]: With dead ends: 8035 [2021-06-16 15:15:34,358 INFO L226 Difference]: Without dead ends: 6043 [2021-06-16 15:15:34,358 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 120.7ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:15:34,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6043 states. [2021-06-16 15:15:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6043 to 4840. [2021-06-16 15:15:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4840 states, 4786 states have (on average 2.245716673631425) internal successors, (10748), 4839 states have internal predecessors, (10748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 10748 transitions. [2021-06-16 15:15:34,483 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 10748 transitions. Word has length 75 [2021-06-16 15:15:34,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:34,485 INFO L482 AbstractCegarLoop]: Abstraction has 4840 states and 10748 transitions. [2021-06-16 15:15:34,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 10748 transitions. [2021-06-16 15:15:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-06-16 15:15:34,492 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:34,492 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:34,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 15:15:34,492 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:34,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:34,492 INFO L82 PathProgramCache]: Analyzing trace with hash 705110826, now seen corresponding path program 1 times [2021-06-16 15:15:34,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:34,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669408672] [2021-06-16 15:15:34,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:34,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:34,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:34,581 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-16 15:15:34,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:15:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:15:34,599 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-16 15:15:34,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:34,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:34,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:34,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669408672] [2021-06-16 15:15:34,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669408672] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:34,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:34,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 15:15:34,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236999094] [2021-06-16 15:15:34,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 15:15:34,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:34,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 15:15:34,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 15:15:34,612 INFO L87 Difference]: Start difference. First operand 4840 states and 10748 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:34,712 INFO L93 Difference]: Finished difference Result 5308 states and 10964 transitions. [2021-06-16 15:15:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 15:15:34,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-06-16 15:15:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:34,724 INFO L225 Difference]: With dead ends: 5308 [2021-06-16 15:15:34,725 INFO L226 Difference]: Without dead ends: 3532 [2021-06-16 15:15:34,725 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 62.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-16 15:15:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3532 states. [2021-06-16 15:15:34,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3532 to 3532. [2021-06-16 15:15:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3532 states, 3478 states have (on average 2.2052903967797586) internal successors, (7670), 3531 states have internal predecessors, (7670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3532 states and 7670 transitions. [2021-06-16 15:15:34,794 INFO L78 Accepts]: Start accepts. Automaton has 3532 states and 7670 transitions. Word has length 78 [2021-06-16 15:15:34,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:34,796 INFO L482 AbstractCegarLoop]: Abstraction has 3532 states and 7670 transitions. [2021-06-16 15:15:34,796 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 7670 transitions. [2021-06-16 15:15:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-16 15:15:34,801 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:34,801 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:34,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 15:15:34,802 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:34,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1952632899, now seen corresponding path program 1 times [2021-06-16 15:15:34,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:34,803 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111519828] [2021-06-16 15:15:34,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:34,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:34,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:34,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-16 15:15:34,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:15:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:15:34,953 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-16 15:15:34,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:34,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:34,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111519828] [2021-06-16 15:15:34,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111519828] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:34,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:34,963 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:15:34,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830227890] [2021-06-16 15:15:34,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:15:34,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:34,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:15:34,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:15:34,965 INFO L87 Difference]: Start difference. First operand 3532 states and 7670 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:35,072 INFO L93 Difference]: Finished difference Result 2882 states and 5520 transitions. [2021-06-16 15:15:35,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:15:35,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2021-06-16 15:15:35,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:35,090 INFO L225 Difference]: With dead ends: 2882 [2021-06-16 15:15:35,090 INFO L226 Difference]: Without dead ends: 1728 [2021-06-16 15:15:35,091 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 82.9ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-16 15:15:35,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2021-06-16 15:15:35,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2021-06-16 15:15:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1728 states, 1692 states have (on average 1.9444444444444444) internal successors, (3290), 1727 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 3290 transitions. [2021-06-16 15:15:35,121 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 3290 transitions. Word has length 81 [2021-06-16 15:15:35,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:35,122 INFO L482 AbstractCegarLoop]: Abstraction has 1728 states and 3290 transitions. [2021-06-16 15:15:35,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 3290 transitions. [2021-06-16 15:15:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-06-16 15:15:35,125 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:35,125 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:35,125 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 15:15:35,126 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:35,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:35,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1466151714, now seen corresponding path program 1 times [2021-06-16 15:15:35,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:35,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087147299] [2021-06-16 15:15:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:35,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:35,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:35,264 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-16 15:15:35,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 15:15:35,274 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:15:35,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:15:35,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:35,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:35,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087147299] [2021-06-16 15:15:35,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087147299] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:35,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:35,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:15:35,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849535649] [2021-06-16 15:15:35,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:15:35,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:35,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:15:35,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:15:35,304 INFO L87 Difference]: Start difference. First operand 1728 states and 3290 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:35,408 INFO L93 Difference]: Finished difference Result 3143 states and 6250 transitions. [2021-06-16 15:15:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 15:15:35,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-06-16 15:15:35,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:35,413 INFO L225 Difference]: With dead ends: 3143 [2021-06-16 15:15:35,413 INFO L226 Difference]: Without dead ends: 2248 [2021-06-16 15:15:35,414 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 81.1ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-06-16 15:15:35,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2021-06-16 15:15:35,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 1700. [2021-06-16 15:15:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1664 states have (on average 1.9507211538461537) internal successors, (3246), 1699 states have internal predecessors, (3246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 3246 transitions. [2021-06-16 15:15:35,451 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 3246 transitions. Word has length 84 [2021-06-16 15:15:35,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:35,451 INFO L482 AbstractCegarLoop]: Abstraction has 1700 states and 3246 transitions. [2021-06-16 15:15:35,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 3246 transitions. [2021-06-16 15:15:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-06-16 15:15:35,454 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:35,454 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:35,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 15:15:35,454 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:35,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1059263080, now seen corresponding path program 2 times [2021-06-16 15:15:35,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:35,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618700370] [2021-06-16 15:15:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:35,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:35,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:35,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:35,548 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-16 15:15:35,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:15:35,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:15:35,568 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-16 15:15:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:35,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:35,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618700370] [2021-06-16 15:15:35,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618700370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:35,579 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:35,579 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:15:35,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143261247] [2021-06-16 15:15:35,579 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:15:35,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:35,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:15:35,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:15:35,580 INFO L87 Difference]: Start difference. First operand 1700 states and 3246 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:35,688 INFO L93 Difference]: Finished difference Result 1196 states and 1951 transitions. [2021-06-16 15:15:35,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:15:35,688 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-06-16 15:15:35,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:35,689 INFO L225 Difference]: With dead ends: 1196 [2021-06-16 15:15:35,689 INFO L226 Difference]: Without dead ends: 518 [2021-06-16 15:15:35,690 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 87.9ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:15:35,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-06-16 15:15:35,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2021-06-16 15:15:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 509 states have (on average 1.5324165029469548) internal successors, (780), 517 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 780 transitions. [2021-06-16 15:15:35,697 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 780 transitions. Word has length 84 [2021-06-16 15:15:35,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:35,697 INFO L482 AbstractCegarLoop]: Abstraction has 518 states and 780 transitions. [2021-06-16 15:15:35,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 780 transitions. [2021-06-16 15:15:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-06-16 15:15:35,699 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:35,699 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:35,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 15:15:35,699 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:35,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:35,699 INFO L82 PathProgramCache]: Analyzing trace with hash 926852520, now seen corresponding path program 1 times [2021-06-16 15:15:35,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:35,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969688697] [2021-06-16 15:15:35,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:35,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:35,764 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:15:35,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:15:35,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:35,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:35,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969688697] [2021-06-16 15:15:35,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969688697] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:35,791 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:35,791 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 15:15:35,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822694563] [2021-06-16 15:15:35,792 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 15:15:35,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:35,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 15:15:35,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 15:15:35,792 INFO L87 Difference]: Start difference. First operand 518 states and 780 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:35,835 INFO L93 Difference]: Finished difference Result 857 states and 1346 transitions. [2021-06-16 15:15:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 15:15:35,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-06-16 15:15:35,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:35,836 INFO L225 Difference]: With dead ends: 857 [2021-06-16 15:15:35,836 INFO L226 Difference]: Without dead ends: 472 [2021-06-16 15:15:35,837 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-06-16 15:15:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-06-16 15:15:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2021-06-16 15:15:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 463 states have (on average 1.570194384449244) internal successors, (727), 471 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 727 transitions. [2021-06-16 15:15:35,843 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 727 transitions. Word has length 89 [2021-06-16 15:15:35,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:35,844 INFO L482 AbstractCegarLoop]: Abstraction has 472 states and 727 transitions. [2021-06-16 15:15:35,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 727 transitions. [2021-06-16 15:15:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-06-16 15:15:35,845 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:35,845 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:35,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 15:15:35,845 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:35,845 INFO L82 PathProgramCache]: Analyzing trace with hash 872457062, now seen corresponding path program 2 times [2021-06-16 15:15:35,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:35,846 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026259438] [2021-06-16 15:15:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,921 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-06-16 15:15:35,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:15:35,932 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-06-16 15:15:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-16 15:15:35,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-16 15:15:35,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:15:35,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:15:35,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:35,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:35,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:35,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:35,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026259438] [2021-06-16 15:15:35,989 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026259438] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:35,989 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:35,989 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:15:35,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999642838] [2021-06-16 15:15:35,990 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:15:35,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:35,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:15:35,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:15:35,990 INFO L87 Difference]: Start difference. First operand 472 states and 727 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:36,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:36,145 INFO L93 Difference]: Finished difference Result 611 states and 1028 transitions. [2021-06-16 15:15:36,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:15:36,146 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-06-16 15:15:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:36,147 INFO L225 Difference]: With dead ends: 611 [2021-06-16 15:15:36,147 INFO L226 Difference]: Without dead ends: 468 [2021-06-16 15:15:36,147 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 127.5ms TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-06-16 15:15:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2021-06-16 15:15:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2021-06-16 15:15:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 459 states have (on average 1.5664488017429194) internal successors, (719), 467 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 719 transitions. [2021-06-16 15:15:36,153 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 719 transitions. Word has length 89 [2021-06-16 15:15:36,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:36,154 INFO L482 AbstractCegarLoop]: Abstraction has 468 states and 719 transitions. [2021-06-16 15:15:36,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 719 transitions. [2021-06-16 15:15:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-06-16 15:15:36,154 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:36,155 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:36,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 15:15:36,155 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:36,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:36,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1819880952, now seen corresponding path program 3 times [2021-06-16 15:15:36,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:36,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128917283] [2021-06-16 15:15:36,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:36,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:36,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:36,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:15:36,239 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-06-16 15:15:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-16 15:15:36,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-16 15:15:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 15:15:36,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:36,281 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:15:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:15:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:36,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:15:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:36,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:36,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:36,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128917283] [2021-06-16 15:15:36,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128917283] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:36,316 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:36,316 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-16 15:15:36,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190720406] [2021-06-16 15:15:36,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 15:15:36,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:36,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 15:15:36,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-16 15:15:36,317 INFO L87 Difference]: Start difference. First operand 468 states and 719 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:36,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:36,508 INFO L93 Difference]: Finished difference Result 599 states and 1002 transitions. [2021-06-16 15:15:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:15:36,508 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-06-16 15:15:36,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:36,509 INFO L225 Difference]: With dead ends: 599 [2021-06-16 15:15:36,509 INFO L226 Difference]: Without dead ends: 284 [2021-06-16 15:15:36,510 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 155.1ms TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2021-06-16 15:15:36,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-06-16 15:15:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2021-06-16 15:15:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 275 states have (on average 1.7854545454545454) internal successors, (491), 283 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 491 transitions. [2021-06-16 15:15:36,514 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 491 transitions. Word has length 89 [2021-06-16 15:15:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:36,515 INFO L482 AbstractCegarLoop]: Abstraction has 284 states and 491 transitions. [2021-06-16 15:15:36,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 491 transitions. [2021-06-16 15:15:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-06-16 15:15:36,515 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:36,515 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:36,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-16 15:15:36,516 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:36,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:36,516 INFO L82 PathProgramCache]: Analyzing trace with hash 914614662, now seen corresponding path program 4 times [2021-06-16 15:15:36,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:36,516 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517564376] [2021-06-16 15:15:36,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 15:15:36,550 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 15:15:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 15:15:36,584 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 15:15:36,613 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-16 15:15:36,614 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-16 15:15:36,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-16 15:15:36,614 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-16 15:15:36,615 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:15:36,616 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:15:36,616 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:15:36,616 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:15:36,616 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:15:36,616 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:15:36,616 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:15:36,616 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:15:36,616 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0Thread1of1ForFork1======== [2021-06-16 15:15:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 22606 states, 20110 states have (on average 2.365788165091994) internal successors, (47576), 22605 states have internal predecessors, (47576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:15:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-16 15:15:38,292 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:15:38,292 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:15:38,292 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:15:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:15:38,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1743453495, now seen corresponding path program 1 times [2021-06-16 15:15:38,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:15:38,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413103194] [2021-06-16 15:15:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:15:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:15:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:15:38,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:15:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:15:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:15:38,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:15:38,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413103194] [2021-06-16 15:15:38,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413103194] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:15:38,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:15:38,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 15:15:38,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621824784] [2021-06-16 15:15:38,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 15:15:38,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:15:38,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 15:15:38,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 15:15:38,353 INFO L87 Difference]: Start difference. First operand has 22606 states, 20110 states have (on average 2.365788165091994) internal successors, (47576), 22605 states have internal predecessors, (47576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 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) [2021-06-16 15:15:38,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:15:38,458 INFO L93 Difference]: Finished difference Result 19379 states and 39885 transitions. [2021-06-16 15:15:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 15:15:38,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 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 45 [2021-06-16 15:15:38,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:15:38,460 INFO L225 Difference]: With dead ends: 19379 [2021-06-16 15:15:38,460 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 15:15:38,460 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 15:15:38,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 15:15:38,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 15:15:38,460 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) [2021-06-16 15:15:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 15:15:38,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-06-16 15:15:38,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:15:38,460 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 15:15:38,460 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 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) [2021-06-16 15:15:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 15:15:38,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:15:38,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-16 15:15:38,461 INFO L301 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork1 was SAFE (3/3) [2021-06-16 15:15:38,461 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 15:15:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 03:15:38 BasicIcfg [2021-06-16 15:15:38,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 15:15:38,599 INFO L168 Benchmark]: Toolchain (without parser) took 10987.44 ms. Allocated memory was 222.3 MB in the beginning and 2.1 GB in the end (delta: 1.9 GB). Free memory was 184.9 MB in the beginning and 867.0 MB in the end (delta: -682.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-06-16 15:15:38,599 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 222.3 MB. Free memory is still 203.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 15:15:38,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.82 ms. Allocated memory is still 222.3 MB. Free memory was 184.6 MB in the beginning and 179.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 15:15:38,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.54 ms. Allocated memory is still 222.3 MB. Free memory was 179.5 MB in the beginning and 177.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:15:38,600 INFO L168 Benchmark]: Boogie Preprocessor took 36.00 ms. Allocated memory is still 222.3 MB. Free memory was 177.4 MB in the beginning and 174.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:15:38,600 INFO L168 Benchmark]: RCFGBuilder took 1371.67 ms. Allocated memory was 222.3 MB in the beginning and 276.8 MB in the end (delta: 54.5 MB). Free memory was 174.8 MB in the beginning and 246.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 107.7 MB. Max. memory is 8.0 GB. [2021-06-16 15:15:38,600 INFO L168 Benchmark]: TraceAbstraction took 9152.98 ms. Allocated memory was 276.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 246.0 MB in the beginning and 867.0 MB in the end (delta: -621.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-06-16 15:15:38,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 222.3 MB. Free memory is still 203.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 390.82 ms. Allocated memory is still 222.3 MB. Free memory was 184.6 MB in the beginning and 179.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.54 ms. Allocated memory is still 222.3 MB. Free memory was 179.5 MB in the beginning and 177.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.00 ms. Allocated memory is still 222.3 MB. Free memory was 177.4 MB in the beginning and 174.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1371.67 ms. Allocated memory was 222.3 MB in the beginning and 276.8 MB in the end (delta: 54.5 MB). Free memory was 174.8 MB in the beginning and 246.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 107.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9152.98 ms. Allocated memory was 276.8 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 246.0 MB in the beginning and 867.0 MB in the end (delta: -621.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89079, positive: 83132, positive conditional: 83132, positive unconditional: 0, negative: 5947, negative conditional: 5947, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86923, positive: 83132, positive conditional: 0, positive unconditional: 83132, negative: 3791, negative conditional: 0, negative unconditional: 3791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1455, positive: 1419, positive conditional: 0, positive unconditional: 1419, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1455, positive: 1416, positive conditional: 0, positive unconditional: 1416, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 252, negative conditional: 0, negative unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86923, positive: 81713, positive conditional: 0, positive unconditional: 81713, negative: 3755, negative conditional: 0, negative unconditional: 3755, unknown: 1455, unknown conditional: 0, unknown unconditional: 1455] , Statistics on independence cache: Total cache size (in pairs): 1455, Positive cache size: 1419, Positive conditional cache size: 0, Positive unconditional cache size: 1419, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Independence queries for same thread: 2156 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89079, positive: 83132, positive conditional: 83132, positive unconditional: 0, negative: 5947, negative conditional: 5947, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86923, positive: 83132, positive conditional: 0, positive unconditional: 83132, negative: 3791, negative conditional: 0, negative unconditional: 3791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1455, positive: 1419, positive conditional: 0, positive unconditional: 1419, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1455, positive: 1416, positive conditional: 0, positive unconditional: 1416, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 296, negative conditional: 0, negative unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86923, positive: 81713, positive conditional: 0, positive unconditional: 81713, negative: 3755, negative conditional: 0, negative unconditional: 3755, unknown: 1455, unknown conditional: 0, unknown unconditional: 1455] , Statistics on independence cache: Total cache size (in pairs): 1455, Positive cache size: 1419, Positive conditional cache size: 0, Positive unconditional cache size: 1419, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Independence queries for same thread: 2156 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89079, positive: 83132, positive conditional: 83132, positive unconditional: 0, negative: 5947, negative conditional: 5947, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 86923, positive: 83132, positive conditional: 0, positive unconditional: 83132, negative: 3791, negative conditional: 0, negative unconditional: 3791, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1455, positive: 1419, positive conditional: 0, positive unconditional: 1419, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1455, positive: 1416, positive conditional: 0, positive unconditional: 1416, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 230, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 228, negative conditional: 0, negative unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86923, positive: 81713, positive conditional: 0, positive unconditional: 81713, negative: 3755, negative conditional: 0, negative unconditional: 3755, unknown: 1455, unknown conditional: 0, unknown unconditional: 1455] , Statistics on independence cache: Total cache size (in pairs): 1455, Positive cache size: 1419, Positive conditional cache size: 0, Positive unconditional cache size: 1419, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Independence queries for same thread: 2156 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L717] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L719] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L720] 0 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0] [L721] 0 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L722] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0] [L723] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0] [L724] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L725] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0] [L726] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0] [L727] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0] [L728] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0] [L729] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0] [L730] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0] [L731] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}] [L732] 0 int a$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0] [L733] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L734] 0 int a$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0] [L735] 0 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0] [L736] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L737] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L739] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L741] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L743] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L744] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L745] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L848] 0 pthread_t t281; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L849] FCALL, FORK 0 pthread_create(&t281, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L850] 0 pthread_t t282; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L749] 1 a$w_buff1 = a$w_buff0 [L750] 1 a$w_buff0 = 1 [L751] 1 a$w_buff1_used = a$w_buff0_used [L752] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L754] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L755] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L756] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L757] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L758] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L761] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L851] FCALL, FORK 0 pthread_create(&t282, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L852] 0 pthread_t t283; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L778] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L781] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L784] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L787] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L853] FCALL, FORK 0 pthread_create(&t283, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L804] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L810] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L811] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L812] 3 a$flush_delayed = weak$$choice2 [L813] 3 a$mem_tmp = a [L814] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L814] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L815] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L815] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0) [L815] EXPR 3 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L815] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L816] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L816] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1) [L816] EXPR 3 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L816] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L817] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L817] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used) [L817] EXPR 3 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L817] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L818] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L818] EXPR 3 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L819] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3) [L819] EXPR 3 weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L819] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L820] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] EXPR 3 !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L820] EXPR 3 weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] 3 __unbuffered_p2_EBX = a [L822] EXPR 3 a$flush_delayed ? a$mem_tmp : a [L822] 3 a = a$flush_delayed ? a$mem_tmp : a [L823] 3 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L764] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L764] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L765] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L765] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L766] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L767] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L768] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L826] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L826] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L826] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L826] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L827] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L827] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L828] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L828] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L829] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L829] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L830] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L830] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L790] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L792] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L794] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L833] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L859] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L859] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L859] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L859] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L860] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L860] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L861] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L861] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L862] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L862] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L863] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L863] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L866] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0 with 1 thread instances CFG has 7 procedures, 143 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1658.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 149.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1502.8ms, PartialOrderReductionTime: 1489.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22606occurred 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 143 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5395.2ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 81.0ms, AutomataDifference: 1762.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1354.9ms, PartialOrderReductionTime: 1352.2ms, HoareTripleCheckerStatistics: 1250 SDtfs, 1787 SDslu, 4819 SDs, 0 SdLazy, 528 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 377.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 927.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22606occurred in iteration=0, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 497.0ms AutomataMinimizationTime, 9 MinimizatonAttempts, 3221 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 68.6ms SsaConstructionTime, 400.9ms SatisfiabilityAnalysisTime, 1017.3ms InterpolantComputationTime, 829 NumberOfCodeBlocks, 829 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 3684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: P0Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 143 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1844.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 36.7ms, AutomataDifference: 142.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1638.5ms, PartialOrderReductionTime: 1637.0ms, HoareTripleCheckerStatistics: 101 SDtfs, 52 SDslu, 76 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22606occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0ms SsaConstructionTime, 2.6ms SatisfiabilityAnalysisTime, 16.4ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...