/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 17:37:13,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 17:37:13,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 17:37:13,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 17:37:13,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 17:37:13,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 17:37:13,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 17:37:13,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 17:37:13,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 17:37:13,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 17:37:13,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 17:37:13,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 17:37:13,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 17:37:13,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 17:37:13,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 17:37:13,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 17:37:13,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 17:37:13,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 17:37:13,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 17:37:13,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 17:37:13,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 17:37:13,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 17:37:13,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 17:37:13,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 17:37:13,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 17:37:13,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 17:37:13,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 17:37:13,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 17:37:13,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 17:37:13,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 17:37:13,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 17:37:13,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 17:37:13,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 17:37:13,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 17:37:13,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 17:37:13,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 17:37:13,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 17:37:13,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 17:37:13,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 17:37:13,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 17:37:13,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 17:37:13,804 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 17:37:13,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 17:37:13,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 17:37:13,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 17:37:13,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 17:37:13,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 17:37:13,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 17:37:13,847 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 17:37:13,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 17:37:13,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 17:37:13,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 17:37:13,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 17:37:13,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 17:37:13,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 17:37:13,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 17:37:13,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 17:37:13,850 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 17:37:13,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 17:37:13,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 17:37:13,851 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 17:37:13,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 17:37:14,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 17:37:14,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 17:37:14,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 17:37:14,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 17:37:14,123 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 17:37:14,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i [2021-07-14 17:37:14,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bbc15db/aad77ec06ea34d4e97163e564178d663/FLAG5f321b782 [2021-07-14 17:37:14,590 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 17:37:14,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i [2021-07-14 17:37:14,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bbc15db/aad77ec06ea34d4e97163e564178d663/FLAG5f321b782 [2021-07-14 17:37:14,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bbc15db/aad77ec06ea34d4e97163e564178d663 [2021-07-14 17:37:14,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 17:37:14,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 17:37:14,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 17:37:14,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 17:37:14,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 17:37:14,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:14,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dfb9ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14, skipping insertion in model container [2021-07-14 17:37:14,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:14,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 17:37:14,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 17:37:14,794 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i[949,962] [2021-07-14 17:37:14,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:37:14,885 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 17:37:14,892 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.opt.i[949,962] [2021-07-14 17:37:14,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:37:14,937 INFO L208 MainTranslator]: Completed translation [2021-07-14 17:37:14,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14 WrapperNode [2021-07-14 17:37:14,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 17:37:14,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 17:37:14,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 17:37:14,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 17:37:14,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:14,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:14,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 17:37:14,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 17:37:14,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 17:37:14,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 17:37:14,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:14,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:15,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:15,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:15,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:15,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:15,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (1/1) ... [2021-07-14 17:37:15,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 17:37:15,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 17:37:15,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 17:37:15,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 17:37:15,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (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 [2021-07-14 17:37:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 17:37:15,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 17:37:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 17:37:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 17:37:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 17:37:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 17:37:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 17:37:15,092 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 17:37:15,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 17:37:15,393 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 17:37:15,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:37:15 BoogieIcfgContainer [2021-07-14 17:37:15,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 17:37:15,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 17:37:15,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 17:37:15,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 17:37:15,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:37:14" (1/3) ... [2021-07-14 17:37:15,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5429d9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:37:15, skipping insertion in model container [2021-07-14 17:37:15,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:37:14" (2/3) ... [2021-07-14 17:37:15,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5429d9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:37:15, skipping insertion in model container [2021-07-14 17:37:15,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:37:15" (3/3) ... [2021-07-14 17:37:15,400 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2021-07-14 17:37:15,403 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 17:37:15,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 17:37:15,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 17:37:15,404 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 17:37:15,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,426 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,426 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,427 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,427 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,427 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,427 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,429 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,431 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,431 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,433 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,433 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,437 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,437 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,438 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,439 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,439 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:37:15,440 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 17:37:15,456 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-07-14 17:37:15,492 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 17:37:15,492 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 17:37:15,492 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 17:37:15,492 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 17:37:15,492 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 17:37:15,493 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 17:37:15,493 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 17:37:15,493 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 17:37:15,674 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:15,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:15,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1901562764, now seen corresponding path program 1 times [2021-07-14 17:37:15,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:15,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941072185] [2021-07-14 17:37:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:15,813 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:15,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941072185] [2021-07-14 17:37:15,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941072185] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:15,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:15,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 17:37:15,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581916221] [2021-07-14 17:37:15,818 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 17:37:15,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:15,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 17:37:15,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 17:37:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:15,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:15,833 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-07-14 17:37:15,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:15,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 17:37:15,848 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:15,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:15,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1068172096, now seen corresponding path program 1 times [2021-07-14 17:37:15,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:15,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494040336] [2021-07-14 17:37:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:16,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:16,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494040336] [2021-07-14 17:37:16,072 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494040336] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:16,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:16,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 17:37:16,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923965737] [2021-07-14 17:37:16,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 17:37:16,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:16,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 17:37:16,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 17:37:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:16,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:16,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-07-14 17:37:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 17:37:16,775 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 17:37:16,776 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:16,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:16,777 INFO L82 PathProgramCache]: Analyzing trace with hash 424813904, now seen corresponding path program 2 times [2021-07-14 17:37:16,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:16,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425257812] [2021-07-14 17:37:16,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:16,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:16,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425257812] [2021-07-14 17:37:16,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425257812] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:16,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:16,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 17:37:16,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309535289] [2021-07-14 17:37:16,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 17:37:16,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:16,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 17:37:16,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 17:37:16,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:16,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:16,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-07-14 17:37:16,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:16,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 17:37:16,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 17:37:17,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 17:37:17,505 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:37:17,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:37:17,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1127138722, now seen corresponding path program 3 times [2021-07-14 17:37:17,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:37:17,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384307928] [2021-07-14 17:37:17,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:37:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:37:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:37:17,648 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:37:17,648 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384307928] [2021-07-14 17:37:17,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384307928] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:37:17,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:37:17,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 17:37:17,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492352837] [2021-07-14 17:37:17,649 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 17:37:17,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:37:17,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 17:37:17,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 17:37:17,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:17,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:37:17,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-07-14 17:37:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 17:37:17,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:37:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 17:37:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 17:37:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 17:37:18,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 17:37:18,309 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 17:37:18,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:37:18 BasicIcfg [2021-07-14 17:37:18,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 17:37:18,311 INFO L168 Benchmark]: Toolchain (without parser) took 3700.34 ms. Allocated memory was 207.6 MB in the beginning and 451.9 MB in the end (delta: 244.3 MB). Free memory was 171.4 MB in the beginning and 369.9 MB in the end (delta: -198.5 MB). Peak memory consumption was 177.9 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:18,311 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 207.6 MB. Free memory is still 189.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 17:37:18,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.73 ms. Allocated memory is still 207.6 MB. Free memory was 171.2 MB in the beginning and 181.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:18,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.51 ms. Allocated memory is still 207.6 MB. Free memory was 181.1 MB in the beginning and 179.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:18,312 INFO L168 Benchmark]: Boogie Preprocessor took 36.74 ms. Allocated memory is still 207.6 MB. Free memory was 179.2 MB in the beginning and 177.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:18,313 INFO L168 Benchmark]: RCFGBuilder took 369.45 ms. Allocated memory is still 207.6 MB. Free memory was 177.9 MB in the beginning and 154.4 MB in the end (delta: 23.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:18,313 INFO L168 Benchmark]: TraceAbstraction took 2914.83 ms. Allocated memory was 207.6 MB in the beginning and 451.9 MB in the end (delta: 244.3 MB). Free memory was 154.0 MB in the beginning and 369.9 MB in the end (delta: -215.9 MB). Peak memory consumption was 160.8 MB. Max. memory is 8.0 GB. [2021-07-14 17:37:18,314 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 207.6 MB. Free memory is still 189.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 326.73 ms. Allocated memory is still 207.6 MB. Free memory was 171.2 MB in the beginning and 181.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.51 ms. Allocated memory is still 207.6 MB. Free memory was 181.1 MB in the beginning and 179.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.74 ms. Allocated memory is still 207.6 MB. Free memory was 179.2 MB in the beginning and 177.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 369.45 ms. Allocated memory is still 207.6 MB. Free memory was 177.9 MB in the beginning and 154.4 MB in the end (delta: 23.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2914.83 ms. Allocated memory was 207.6 MB in the beginning and 451.9 MB in the end (delta: 244.3 MB). Free memory was 154.0 MB in the beginning and 369.9 MB in the end (delta: -215.9 MB). Peak memory consumption was 160.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58930, positive: 56450, positive conditional: 48962, positive unconditional: 7488, negative: 2480, negative conditional: 2337, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 57107, positive: 56450, positive conditional: 48962, positive unconditional: 7488, negative: 657, negative conditional: 514, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 57107, positive: 55717, positive conditional: 0, positive unconditional: 55717, negative: 1390, negative conditional: 0, negative unconditional: 1390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1394, positive: 1365, positive conditional: 0, positive unconditional: 1365, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1394, positive: 1359, positive conditional: 0, positive unconditional: 1359, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57107, positive: 54352, positive conditional: 0, positive unconditional: 54352, negative: 1361, negative conditional: 0, negative unconditional: 1361, unknown: 1394, unknown conditional: 0, unknown unconditional: 1394] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624 ], Maximal queried relation: 4, Independence queries for same thread: 1823 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 385, Number of persistent set computation: 3577, Number of trivial persistent sets: 3238, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58930, positive: 56450, positive conditional: 48962, positive unconditional: 7488, negative: 2480, negative conditional: 2337, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 57107, positive: 56450, positive conditional: 48962, positive unconditional: 7488, negative: 657, negative conditional: 514, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 57107, positive: 55717, positive conditional: 0, positive unconditional: 55717, negative: 1390, negative conditional: 0, negative unconditional: 1390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1394, positive: 1365, positive conditional: 0, positive unconditional: 1365, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1394, positive: 1359, positive conditional: 0, positive unconditional: 1359, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57107, positive: 54352, positive conditional: 0, positive unconditional: 54352, negative: 1361, negative conditional: 0, negative unconditional: 1361, unknown: 1394, unknown conditional: 0, unknown unconditional: 1394] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624, SemanticConditionEliminator.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3790, positive: 733, positive conditional: 733, positive unconditional: 0, negative: 3057, negative conditional: 175, negative unconditional: 2882, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 32, positive conditional: 26, positive unconditional: 6, negative: 38, negative conditional: 9, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 47, positive conditional: 35, positive unconditional: 12, negative: 112, negative conditional: 10, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3790, positive: 707, positive conditional: 707, positive unconditional: 0, negative: 3048, negative conditional: 166, negative unconditional: 2882, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1391, Positive conditional cache size: 26, Positive unconditional cache size: 1365, Negative cache size: 38, Negative conditional cache size: 9, Negative unconditional cache size: 29, Eliminated conditions: 2624 ], Maximal queried relation: 4, Independence queries for same thread: 1823 - PositiveResult [Line: 18]: 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 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2841.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 2128.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 18.4ms SsaConstructionTime, 105.4ms SatisfiabilityAnalysisTime, 416.2ms InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...