/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 00:15:36,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 00:15:36,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 00:15:36,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 00:15:36,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 00:15:36,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 00:15:36,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 00:15:36,754 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-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 00:15:36,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 00:15:36,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 00:15:36,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 00:15:36,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 00:15:36,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 00:15:36,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 00:15:36,787 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 00:15:36,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 00:15:36,787 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 00:15:36,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 00:15:36,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 00:15:36,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 00:15:36,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 00:15:36,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 00:15:36,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 00:15:36,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 00:15:36,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 00:15:36,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 00:15:36,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 00:15:36,790 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 00:15:37,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 00:15:37,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 00:15:37,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 00:15:37,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 00:15:37,095 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 00:15:37,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-06-07 00:15:37,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f894622/a7013e7f328f43fc8ce2992cd12e656a/FLAGd58093dd3 [2021-06-07 00:15:37,580 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 00:15:37,580 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-06-07 00:15:37,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f894622/a7013e7f328f43fc8ce2992cd12e656a/FLAGd58093dd3 [2021-06-07 00:15:37,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f894622/a7013e7f328f43fc8ce2992cd12e656a [2021-06-07 00:15:37,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 00:15:37,605 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 00:15:37,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 00:15:37,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 00:15:37,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 00:15:37,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acfeb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37, skipping insertion in model container [2021-06-07 00:15:37,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 00:15:37,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 00:15:37,851 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/stateful01-2.i[30826,30839] [2021-06-07 00:15:37,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 00:15:37,867 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 00:15:37,911 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/stateful01-2.i[30826,30839] [2021-06-07 00:15:37,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 00:15:37,959 INFO L208 MainTranslator]: Completed translation [2021-06-07 00:15:37,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37 WrapperNode [2021-06-07 00:15:37,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 00:15:37,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 00:15:37,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 00:15:37,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 00:15:37,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 00:15:37,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 00:15:37,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 00:15:37,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 00:15:37,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:37,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (1/1) ... [2021-06-07 00:15:38,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 00:15:38,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 00:15:38,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 00:15:38,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 00:15:38,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (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 [2021-06-07 00:15:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 00:15:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 00:15:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 00:15:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 00:15:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 00:15:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 00:15:38,063 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 00:15:38,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 00:15:38,421 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-07 00:15:38,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:15:38 BoogieIcfgContainer [2021-06-07 00:15:38,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 00:15:38,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 00:15:38,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 00:15:38,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 00:15:38,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 12:15:37" (1/3) ... [2021-06-07 00:15:38,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ca503d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:15:38, skipping insertion in model container [2021-06-07 00:15:38,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:15:37" (2/3) ... [2021-06-07 00:15:38,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ca503d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:15:38, skipping insertion in model container [2021-06-07 00:15:38,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:15:38" (3/3) ... [2021-06-07 00:15:38,429 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-06-07 00:15:38,435 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 00:15:38,436 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 00:15:38,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 00:15:38,437 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 00:15:38,463 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,463 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,463 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,463 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,464 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,465 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,465 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,465 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,465 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,468 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,469 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,470 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,471 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,471 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,471 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,474 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,475 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,477 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,478 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,478 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,482 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,483 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 00:15:38,491 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 00:15:38,505 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 00:15:38,534 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 00:15:38,534 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 00:15:38,535 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 00:15:38,535 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 00:15:38,535 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 00:15:38,535 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 00:15:38,535 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 00:15:38,535 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 00:15:38,605 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 00:15:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 00:15:38,609 INFO L82 PathProgramCache]: Analyzing trace with hash 183100653, now seen corresponding path program 1 times [2021-06-07 00:15:38,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 00:15:38,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682320942] [2021-06-07 00:15:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 00:15:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 00:15:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 00:15:38,777 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 00:15:38,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682320942] [2021-06-07 00:15:38,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682320942] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 00:15:38,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 00:15:38,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 00:15:38,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983234379] [2021-06-07 00:15:38,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 00:15:38,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 00:15:38,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 00:15:38,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 00:15:38,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 00:15:38,796 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 00:15:38,797 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2021-06-07 00:15:38,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 00:15:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 00:15:38,865 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 00:15:38,865 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 00:15:38,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 00:15:38,866 INFO L82 PathProgramCache]: Analyzing trace with hash -2045560645, now seen corresponding path program 2 times [2021-06-07 00:15:38,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 00:15:38,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603850690] [2021-06-07 00:15:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 00:15:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 00:15:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 00:15:39,001 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 00:15:39,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603850690] [2021-06-07 00:15:39,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603850690] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 00:15:39,001 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 00:15:39,001 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 00:15:39,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044428272] [2021-06-07 00:15:39,002 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 00:15:39,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 00:15:39,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 00:15:39,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-07 00:15:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 00:15:39,003 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 00:15:39,004 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 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) [2021-06-07 00:15:39,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 00:15:39,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 00:15:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 00:15:39,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 00:15:39,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 00:15:39,142 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 00:15:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 00:15:39,142 INFO L82 PathProgramCache]: Analyzing trace with hash 7037491, now seen corresponding path program 1 times [2021-06-07 00:15:39,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 00:15:39,142 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608501153] [2021-06-07 00:15:39,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 00:15:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 00:15:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 00:15:39,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 00:15:39,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608501153] [2021-06-07 00:15:39,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608501153] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 00:15:39,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 00:15:39,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 00:15:39,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91749697] [2021-06-07 00:15:39,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 00:15:39,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 00:15:39,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 00:15:39,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-07 00:15:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 00:15:39,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 00:15:39,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 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) [2021-06-07 00:15:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 00:15:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 00:15:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 00:15:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 00:15:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 00:15:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 00:15:39,447 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 00:15:39,456 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 00:15:39,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 12:15:39 BasicIcfg [2021-06-07 00:15:39,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 00:15:39,458 INFO L168 Benchmark]: Toolchain (without parser) took 1853.38 ms. Allocated memory is still 339.7 MB. Free memory was 302.1 MB in the beginning and 305.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 144.0 MB. Max. memory is 16.0 GB. [2021-06-07 00:15:39,458 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.0 MB in the beginning and 320.0 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 00:15:39,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.60 ms. Allocated memory is still 339.7 MB. Free memory was 301.9 MB in the beginning and 302.2 MB in the end (delta: -266.5 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. [2021-06-07 00:15:39,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.65 ms. Allocated memory is still 339.7 MB. Free memory was 302.2 MB in the beginning and 301.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 00:15:39,462 INFO L168 Benchmark]: Boogie Preprocessor took 14.68 ms. Allocated memory is still 339.7 MB. Free memory was 301.1 MB in the beginning and 299.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 00:15:39,463 INFO L168 Benchmark]: RCFGBuilder took 422.18 ms. Allocated memory is still 339.7 MB. Free memory was 299.0 MB in the beginning and 272.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 00:15:39,463 INFO L168 Benchmark]: TraceAbstraction took 1032.84 ms. Allocated memory is still 339.7 MB. Free memory was 271.8 MB in the beginning and 305.4 MB in the end (delta: -33.6 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.0 GB. [2021-06-07 00:15:39,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 339.7 MB. Free memory was 320.0 MB in the beginning and 320.0 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 353.60 ms. Allocated memory is still 339.7 MB. Free memory was 301.9 MB in the beginning and 302.2 MB in the end (delta: -266.5 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.65 ms. Allocated memory is still 339.7 MB. Free memory was 302.2 MB in the beginning and 301.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.68 ms. Allocated memory is still 339.7 MB. Free memory was 301.1 MB in the beginning and 299.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 422.18 ms. Allocated memory is still 339.7 MB. Free memory was 299.0 MB in the beginning and 272.8 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1032.84 ms. Allocated memory is still 339.7 MB. Free memory was 271.8 MB in the beginning and 305.4 MB in the end (delta: -33.6 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2130, positive conditional: 2130, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2198, positive: 2130, positive conditional: 2130, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2198, positive: 2130, positive conditional: 0, positive unconditional: 2130, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 418, positive: 408, positive conditional: 0, positive unconditional: 408, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 418, positive: 404, positive conditional: 0, positive unconditional: 404, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 74, negative conditional: 21, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2198, positive: 1722, positive conditional: 0, positive unconditional: 1722, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 418, unknown conditional: 0, unknown unconditional: 418] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 408, Positive conditional cache size: 0, Positive unconditional cache size: 408, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 173, negative conditional: 64, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 173, negative conditional: 64, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 74, negative conditional: 21, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 56, negative unconditional: 109, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 408, Positive conditional cache size: 0, Positive unconditional cache size: 408, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, Eliminated conditions: 109, SemanticConditionEliminator.Independence Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 173, negative conditional: 64, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 173, negative conditional: 64, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 74, negative conditional: 21, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 56, negative unconditional: 109, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 408, Positive conditional cache size: 0, Positive unconditional cache size: 408, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, Eliminated conditions: 109, SemanticConditionEliminator.Independence Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 173, negative conditional: 64, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 173, negative conditional: 64, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 18, negative conditional: 8, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 74, negative conditional: 21, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 173, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 56, negative unconditional: 109, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 426, Positive cache size: 408, Positive conditional cache size: 0, Positive unconditional cache size: 408, Negative cache size: 18, Negative conditional cache size: 8, Negative unconditional cache size: 10, Eliminated conditions: 109 ], Maximal queried relation: 3, Independence queries for same thread: 6 - PositiveResult [Line: 727]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 939.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 397.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.2ms SsaConstructionTime, 86.8ms SatisfiabilityAnalysisTime, 306.9ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...