/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 02:46:09,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 02:46:09,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 02:46:09,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 02:46:09,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 02:46:09,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 02:46:09,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 02:46:09,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 02:46:09,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 02:46:09,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 02:46:09,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 02:46:09,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 02:46:09,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 02:46:09,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 02:46:09,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 02:46:09,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 02:46:09,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 02:46:09,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 02:46:09,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 02:46:09,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 02:46:09,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 02:46:09,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 02:46:09,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 02:46:09,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 02:46:09,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 02:46:09,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 02:46:09,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 02:46:09,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 02:46:09,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 02:46:09,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 02:46:09,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 02:46:09,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 02:46:09,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 02:46:09,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 02:46:09,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 02:46:09,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 02:46:09,537 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-Sleep-NoLbe-New_States.epf [2021-01-27 02:46:09,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 02:46:09,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 02:46:09,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 02:46:09,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 02:46:09,598 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 02:46:09,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 02:46:09,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 02:46:09,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 02:46:09,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 02:46:09,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 02:46:09,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 02:46:09,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 02:46:09,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 02:46:09,602 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 02:46:09,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 02:46:09,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 02:46:09,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 02:46:09,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 02:46:09,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 02:46:09,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 02:46:09,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 02:46:09,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 02:46:09,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 02:46:09,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 02:46:09,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 02:46:09,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 02:46:09,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 02:46:09,606 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 02:46:09,607 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 02:46:09,607 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 02:46:09,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 02:46:09,608 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 02:46:09,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 02:46:09,608 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 02:46:10,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 02:46:10,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 02:46:10,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 02:46:10,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 02:46:10,092 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 02:46:10,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2021-01-27 02:46:10,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a12494ab/70bbe9bf87d04309a0139f22d0236403/FLAGabf4246eb [2021-01-27 02:46:10,968 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 02:46:10,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2021-01-27 02:46:11,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a12494ab/70bbe9bf87d04309a0139f22d0236403/FLAGabf4246eb [2021-01-27 02:46:11,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a12494ab/70bbe9bf87d04309a0139f22d0236403 [2021-01-27 02:46:11,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 02:46:11,188 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 02:46:11,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 02:46:11,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 02:46:11,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 02:46:11,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:46:11" (1/1) ... [2021-01-27 02:46:11,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3e50d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:11, skipping insertion in model container [2021-01-27 02:46:11,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 02:46:11" (1/1) ... [2021-01-27 02:46:11,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 02:46:11,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 02:46:12,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:46:12,048 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 02:46:12,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 02:46:12,565 INFO L208 MainTranslator]: Completed translation [2021-01-27 02:46:12,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12 WrapperNode [2021-01-27 02:46:12,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 02:46:12,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 02:46:12,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 02:46:12,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 02:46:12,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 02:46:12,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 02:46:12,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 02:46:12,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 02:46:12,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (1/1) ... [2021-01-27 02:46:12,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 02:46:12,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 02:46:12,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 02:46:12,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 02:46:12,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (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 [2021-01-27 02:46:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-27 02:46:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 02:46:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-27 02:46:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 02:46:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 02:46:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-27 02:46:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 02:46:12,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 02:46:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 02:46:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-01-27 02:46:12,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-01-27 02:46:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 02:46:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 02:46:12,842 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 02:46:13,684 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 02:46:13,688 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2021-01-27 02:46:13,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:46:13 BoogieIcfgContainer [2021-01-27 02:46:13,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 02:46:13,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 02:46:13,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 02:46:13,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 02:46:13,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 02:46:11" (1/3) ... [2021-01-27 02:46:13,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a733302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:46:13, skipping insertion in model container [2021-01-27 02:46:13,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 02:46:12" (2/3) ... [2021-01-27 02:46:13,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a733302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 02:46:13, skipping insertion in model container [2021-01-27 02:46:13,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 02:46:13" (3/3) ... [2021-01-27 02:46:13,702 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2021-01-27 02:46:13,721 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 02:46:13,721 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 02:46:13,726 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-01-27 02:46:13,727 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 02:46:13,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,778 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,779 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,779 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,780 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,780 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,781 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,781 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,783 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,784 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,786 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,786 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,789 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,789 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,790 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,790 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,790 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 02:46:13,798 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 02:46:13,812 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-27 02:46:13,850 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 02:46:13,851 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 02:46:13,851 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 02:46:13,851 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 02:46:13,851 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 02:46:13,851 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 02:46:13,852 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 02:46:13,852 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 51 and size of Sequence is : 52[2021-01-27 02:46:13,914 INFO L164 SleepSetCegar]: Size of mCounterexample is: 52 [2021-01-27 02:46:13,915 INFO L165 SleepSetCegar]: [100#[ULTIMATE.startENTRY]don't care, 103#[L-1]don't care, 106#[L-1-1]don't care, 109#[L1693]don't care, 112#[L1693-1]don't care, 115#[L1693-2]don't care, 118#[L1693-3]don't care, 121#[L1693-4]don't care, 124#[L1696]don't care, 127#[L1696-1]don't care, 130#[L1697]don't care, 133#[L1697-1]don't care, 136#[L1697-2]don't care, 139#[L1697-3]don't care, 142#[L1697-4]don't care, 145#[L1697-5]don't care, 148#[L-1-2]don't care, 151#[L-1-3]don't care, 154#[L1734]don't care, 157#[L1734-1]don't care, 160#[L1708]don't care, 163#[L1709]don't care, 166#[L1710]don't care, 169#[L1710-1]don't care, 172#[L1695]don't care, 175#[L1695-1]don't care, 180#[L1695-2]don't care, 184#[L1693-5]don't care, 189#[L1693-9]don't care, 178#[L1695-4]don't care, 194#[L1711]don't care, 199#[L1711-1]don't care, 203#[L1712]don't care, 206#[L1712-1]don't care, 209#[L1712-2, thread1ENTRY]don't care, 214#[L1712-2, L1700]don't care, 220#[L1712-2, L1700-1]don't care, 224#[L1712-2, L1701]don't care, 230#[L1712-2, L1703]don't care, 236#[L1705, L1712-2]don't care, 244#[L1712-2, thread1FINAL]don't care, 248#[L1712-2, thread1EXIT]don't care, 254#[L1713, thread1EXIT]don't care, 257#[L1718, thread1EXIT]don't care, 260#[L1734-2, thread1EXIT]don't care, 263#[L1734-3, thread1EXIT]don't care, 268#[L1734-6, thread1EXIT]don't care, 284#[L1735, thread1EXIT]don't care, 287#[thread1EXIT, L1721]don't care, 290#[L1721-1, thread1EXIT]don't care, 293#[L1724, thread1EXIT]don't care, 296#[ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread1EXIT]don't care] [2021-01-27 02:46:13,916 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:46:13,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:46:13,922 INFO L82 PathProgramCache]: Analyzing trace with hash -784436011, now seen corresponding path program 1 times [2021-01-27 02:46:13,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:46:13,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295069725] [2021-01-27 02:46:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:46:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:46:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:46:14,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295069725] [2021-01-27 02:46:14,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:46:14,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:46:14,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060252034] [2021-01-27 02:46:14,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 02:46:14,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:46:14,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 02:46:14,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 02:46:14,468 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:46:14,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Size of Word is: 29 and size of Sequence is : 30[2021-01-27 02:46:14,478 INFO L164 SleepSetCegar]: Size of mCounterexample is: 30 [2021-01-27 02:46:14,479 INFO L165 SleepSetCegar]: [302#[ULTIMATE.startENTRY]true, 304#[L-1]true, 306#[L-1-1]true, 308#[L1693]true, 310#[L1693-1]true, 312#[L1693-2]true, 314#[L1693-3]true, 316#[L1693-4]true, 318#[L1696]true, 320#[L1696-1]true, 322#[L1697]true, 324#[L1697-1]true, 326#[L1697-2]true, 328#[L1697-3]true, 330#[L1697-4]true, 332#[L1697-5]true, 334#[L-1-2]true, 336#[L-1-3]true, 338#[L1734]true, 340#[L1734-1]true, 342#[L1708]true, 344#[L1709]true, 346#[L1710]true, 348#[L1710-1]true, 350#[L1695]true, 352#[L1695-1]true, 355#[L1695-2]true, 358#[L1693-5]true, 360#[L1693-7]true, 369#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 02:46:14,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 02:46:14,480 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:46:14,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:46:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1363746776, now seen corresponding path program 1 times [2021-01-27 02:46:14,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:46:14,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240160803] [2021-01-27 02:46:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:46:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:46:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:46:14,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240160803] [2021-01-27 02:46:14,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:46:14,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-27 02:46:14,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362917969] [2021-01-27 02:46:14,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-27 02:46:14,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:46:14,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-27 02:46:14,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-27 02:46:14,693 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:46:14,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:46:14,773 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 48 and size of Sequence is : 49[2021-01-27 02:46:14,790 INFO L164 SleepSetCegar]: Size of mCounterexample is: 49 [2021-01-27 02:46:14,791 INFO L165 SleepSetCegar]: [377#[ULTIMATE.startENTRY]true, 380#[L-1]true, 383#[L-1-1]true, 386#[L1693]true, 389#[L1693-1]true, 392#[L1693-2]true, 395#[L1693-3]true, 398#[L1693-4]true, 401#[L1696]true, 404#[L1696-1]true, 407#[L1697]true, 410#[L1697-1]true, 413#[L1697-2]true, 416#[L1697-3]true, 419#[L1697-4]true, 422#[L1697-5]true, 425#[L-1-2]true, 428#[L-1-3]true, 431#[L1734]true, 434#[L1734-1]true, 437#[L1708]true, 440#[L1709]true, 443#[L1710](= ~pdev~0 1), 448#[L1710-1](and (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 451#[L1695](and (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 456#[L1695-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 459#[L1695-4](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 466#[L1711](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 473#[L1711-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 478#[L1712](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 482#[L1712-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 486#[L1712-2, thread1ENTRY](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 493#[L1712-2, L1700](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 501#[L1712-2, L1700-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 507#[L1712-2, L1701](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 517#[L1712-2, L1703](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 525#[L1705, L1712-2](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 535#[L1712-2, thread1FINAL](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 541#[L1712-2, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 548#[L1713, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 552#[L1718, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 556#[L1734-2, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 560#[L1734-3, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 567#[L1734-6, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 588#[L1735, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 592#[thread1EXIT, L1721](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 596#[L1721-1, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 600#[L1724, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 605#[ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread1EXIT]true] [2021-01-27 02:46:14,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 02:46:14,791 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:46:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:46:14,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1285557437, now seen corresponding path program 1 times [2021-01-27 02:46:14,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:46:14,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681474395] [2021-01-27 02:46:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:46:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:46:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:46:14,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681474395] [2021-01-27 02:46:14,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:46:14,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 02:46:14,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669453325] [2021-01-27 02:46:14,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 02:46:14,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:46:14,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 02:46:14,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 02:46:14,959 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:46:14,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:46:15,006 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:46:15,076 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:46:15,100 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 61 and size of Sequence is : 62[2021-01-27 02:46:15,118 INFO L164 SleepSetCegar]: Size of mCounterexample is: 62 [2021-01-27 02:46:15,119 INFO L165 SleepSetCegar]: [613#[ULTIMATE.startENTRY]true, 616#[L-1]true, 619#[L-1-1]true, 622#[L1693]true, 625#[L1693-1]true, 628#[L1693-2]true, 631#[L1693-3]true, 634#[L1693-4]true, 637#[L1696]true, 640#[L1696-1]true, 643#[L1697]true, 646#[L1697-1]true, 649#[L1697-2]true, 652#[L1697-3]true, 655#[L1697-4]true, 658#[L1697-5]true, 661#[L-1-2]true, 664#[L-1-3]true, 667#[L1734]true, 670#[L1734-1]true, 673#[L1708]true, 676#[L1709]true, 679#[L1710](= ~pdev~0 1), 682#[L1710-1](and (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 685#[L1695](and (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 688#[L1695-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 691#[L1695-4](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 697#[L1711](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 702#[L1711-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 706#[L1712](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 709#[L1712-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 712#[L1712-2, thread1ENTRY](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 717#[L1712-2, L1700](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 723#[L1712-2, L1700-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 727#[L1712-2, L1701](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 733#[L1712-2, L1703](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 739#[L1705, L1712-2](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 747#[L1712-2, thread1FINAL](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 751#[L1712-2, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 757#[L1713, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 760#[L1718, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 763#[L1734-2, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 766#[L1734-3, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 771#[L1734-6, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 787#[L1735, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 790#[thread1EXIT, L1721](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 793#[L1721-1, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 796#[L1724, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 801#[L1695-14, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 810#[L1728, thread1EXIT](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 818#[L1728-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 826#[L1728-2](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 834#[L1728-3](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 842#[L1730](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 850#[L1731](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 858#[L1731-1](not (= ULTIMATE.start_ldv_assert_~expression 0)), 866#[L1695-15]true, 874#[L1695-16]true, 889#[L1695-17]true, 898#[L1693-20]true, 911#[L1693-22]true, 927#[ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 02:46:15,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-27 02:46:15,119 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:46:15,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:46:15,120 INFO L82 PathProgramCache]: Analyzing trace with hash 994164329, now seen corresponding path program 1 times [2021-01-27 02:46:15,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:46:15,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896758591] [2021-01-27 02:46:15,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:46:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 02:46:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 02:46:15,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896758591] [2021-01-27 02:46:15,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 02:46:15,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-27 02:46:15,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520589945] [2021-01-27 02:46:15,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-27 02:46:15,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 02:46:15,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-27 02:46:15,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-27 02:46:15,248 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 02:46:15,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-27 02:46:15,360 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:46:15,367 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-27 02:46:15,404 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 45 and size of Sequence is : 46[2021-01-27 02:46:15,440 INFO L164 SleepSetCegar]: Size of mCounterexample is: 46 [2021-01-27 02:46:15,441 INFO L165 SleepSetCegar]: [937#[ULTIMATE.startENTRY]true, 940#[L-1]true, 943#[L-1-1]true, 946#[L1693]true, 949#[L1693-1]true, 952#[L1693-2]true, 955#[L1693-3]true, 958#[L1693-4]true, 961#[L1696]true, 964#[L1696-1]true, 967#[L1697]true, 970#[L1697-1]true, 973#[L1697-2]true, 976#[L1697-3]true, 979#[L1697-4]true, 982#[L1697-5]true, 985#[L-1-2]true, 988#[L-1-3]true, 991#[L1734]true, 994#[L1734-1]true, 997#[L1708]true, 1000#[L1709]true, 1003#[L1710](= ~pdev~0 1), 1006#[L1710-1](and (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1009#[L1695](and (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1012#[L1695-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1015#[L1695-4](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1021#[L1711](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1026#[L1711-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1030#[L1712](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1033#[L1712-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1036#[L1712-2, thread1ENTRY](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1041#[L1712-2, L1700](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1047#[L1712-2, L1700-1](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1051#[L1712-2, L1701](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1059#[L1701, L1713](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1705#[L1701, L1718](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1715#[L1734-2, L1701](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1725#[L1734-3, L1701](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1744#[L1701, L1734-6](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1795#[L1701, L1735](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1805#[L1701, L1721](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1815#[L1721-1, L1701](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 1)), 1825#[L1701, L1724](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0)) (= ~pdev~0 4)), 1848#[L1724, L1703](and (not (= ULTIMATE.start_ldv_assert_~expression 0)) (not (= |ULTIMATE.start_ldv_assert_#in~expression| 0))), 1857#[ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, L1703]true] [2021-01-27 02:46:15,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 02:46:15,441 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 02:46:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 02:46:15,445 INFO L82 PathProgramCache]: Analyzing trace with hash -122874218, now seen corresponding path program 1 times [2021-01-27 02:46:15,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 02:46:15,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319302826] [2021-01-27 02:46:15,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 02:46:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 02:46:15,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 02:46:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 02:46:15,516 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 02:46:15,557 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 02:46:15,557 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 02:46:15,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-27 02:46:15,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 02:46:15 BasicIcfg [2021-01-27 02:46:15,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-27 02:46:15,641 INFO L168 Benchmark]: Toolchain (without parser) took 4463.10 ms. Allocated memory was 302.0 MB in the beginning and 377.5 MB in the end (delta: 75.5 MB). Free memory was 275.2 MB in the beginning and 337.5 MB in the end (delta: -62.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.0 GB. [2021-01-27 02:46:15,642 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:46:15,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1378.76 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 170.2 MB in the end (delta: 104.1 MB). Peak memory consumption was 104.0 MB. Max. memory is 16.0 GB. [2021-01-27 02:46:15,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.04 ms. Allocated memory is still 302.0 MB. Free memory was 170.2 MB in the beginning and 167.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-01-27 02:46:15,647 INFO L168 Benchmark]: Boogie Preprocessor took 48.96 ms. Allocated memory is still 302.0 MB. Free memory was 167.0 MB in the beginning and 164.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 02:46:15,648 INFO L168 Benchmark]: RCFGBuilder took 948.19 ms. Allocated memory was 302.0 MB in the beginning and 377.5 MB in the end (delta: 75.5 MB). Free memory was 164.9 MB in the beginning and 331.1 MB in the end (delta: -166.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.0 GB. [2021-01-27 02:46:15,651 INFO L168 Benchmark]: TraceAbstraction took 1945.46 ms. Allocated memory is still 377.5 MB. Free memory was 331.1 MB in the beginning and 337.5 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 02:46:15,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1378.76 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 170.2 MB in the end (delta: 104.1 MB). Peak memory consumption was 104.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 122.04 ms. Allocated memory is still 302.0 MB. Free memory was 170.2 MB in the beginning and 167.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 48.96 ms. Allocated memory is still 302.0 MB. Free memory was 167.0 MB in the beginning and 164.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 948.19 ms. Allocated memory was 302.0 MB in the beginning and 377.5 MB in the end (delta: 75.5 MB). Free memory was 164.9 MB in the beginning and 331.1 MB in the end (delta: -166.2 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1945.46 ms. Allocated memory is still 377.5 MB. Free memory was 331.1 MB in the beginning and 337.5 MB in the end (delta: -6.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] 0 pthread_t t1; VAL [t1={7:0}] [L1697] 0 pthread_mutex_t mutex; VAL [mutex={9:0}, t1={7:0}] [L1698] 0 int pdev; VAL [mutex={9:0}, pdev=0, t1={7:0}] [L1709] 0 pdev = 1 VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1695] COND FALSE 0 !(!expression) VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1711] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1713] 0 return 0; VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1734] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1721] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1723] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=4, t1={7:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={7:0}] [L1695] COND TRUE 0 !expression [L1693] COND FALSE 0 !(0) [L1693] 0 __assert_fail ("0", "race-1_3-join.c", 10, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 10155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...