/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:29:19,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:29:19,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:29:19,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 19:29:19,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 19:29:19,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 19:29:19,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 19:29:19,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 19:29:19,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 19:29:19,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 19:29:19,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 19:29:19,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 19:29:19,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 19:29:19,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 19:29:19,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 19:29:19,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 19:29:19,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 19:29:19,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 19:29:19,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 19:29:19,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 19:29:19,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 19:29:19,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 19:29:19,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 19:29:19,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 19:29:19,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 19:29:19,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 19:29:19,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 19:29:19,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 19:29:19,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 19:29:19,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 19:29:19,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 19:29:19,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 19:29:19,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 19:29:19,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 19:29:19,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 19:29:19,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 19:29:19,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 19:29:19,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 19:29:19,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 19:29:19,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 19:29:19,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 19:29:19,658 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-None-NoLbe.epf [2021-07-09 19:29:19,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:29:19,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:29:19,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:29:19,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:29:19,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:29:19,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:29:19,703 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:29:19,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:29:19,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:29:19,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:29:19,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:29:19,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:29:19,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:29:19,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:29:19,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:29:19,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:29:19,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:29:19,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:29:19,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:29:19,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:29:19,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:29:19,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:29:19,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:29:19,706 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:29:19,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:29:19,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:29:19,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:29:20,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:29:20,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:29:20,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:29:20,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 19:29:20,031 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 19:29:20,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-09 19:29:20,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d927c427d/a280f6dede6146cebbcd1a1920da023b/FLAGf9f5ff088 [2021-07-09 19:29:20,568 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 19:29:20,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-09 19:29:20,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d927c427d/a280f6dede6146cebbcd1a1920da023b/FLAGf9f5ff088 [2021-07-09 19:29:20,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d927c427d/a280f6dede6146cebbcd1a1920da023b [2021-07-09 19:29:20,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:29:20,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 19:29:20,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 19:29:20,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 19:29:20,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 19:29:20,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 07:29:20" (1/1) ... [2021-07-09 19:29:20,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68aba010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:20, skipping insertion in model container [2021-07-09 19:29:20,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 07:29:20" (1/1) ... [2021-07-09 19:29:20,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 19:29:20,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 19:29:21,355 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-09 19:29:21,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 19:29:21,380 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 19:29:21,433 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-09 19:29:21,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 19:29:21,520 INFO L208 MainTranslator]: Completed translation [2021-07-09 19:29:21,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21 WrapperNode [2021-07-09 19:29:21,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 19:29:21,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:29:21,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:29:21,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:29:21,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:29:21,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:29:21,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:29:21,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:29:21,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (1/1) ... [2021-07-09 19:29:21,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:29:21,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:29:21,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:29:21,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:29:21,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (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 [2021-07-09 19:29:21,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 19:29:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 19:29:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-09 19:29:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-09 19:29:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:29:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:29:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 19:29:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-09 19:29:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-09 19:29:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 19:29:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 19:29:21,770 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:29:22,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:29:22,352 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-09 19:29:22,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:29:22 BoogieIcfgContainer [2021-07-09 19:29:22,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:29:22,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:29:22,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:29:22,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:29:22,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 07:29:20" (1/3) ... [2021-07-09 19:29:22,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26853a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:29:22, skipping insertion in model container [2021-07-09 19:29:22,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:29:21" (2/3) ... [2021-07-09 19:29:22,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26853a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:29:22, skipping insertion in model container [2021-07-09 19:29:22,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:29:22" (3/3) ... [2021-07-09 19:29:22,361 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-07-09 19:29:22,369 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:29:22,369 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:29:22,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-09 19:29:22,370 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:29:22,402 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,403 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,405 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,405 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,406 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,406 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,406 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,406 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,406 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,406 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,407 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,407 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,407 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,407 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,408 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,408 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,408 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,410 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,410 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,410 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,411 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,411 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,411 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,412 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:29:22,424 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-09 19:29:22,446 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-07-09 19:29:22,508 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:29:22,508 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:29:22,508 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:29:22,508 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:29:22,508 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:29:22,508 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:29:22,509 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:29:22,509 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-07-09 19:29:22,518 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 95 transitions, 198 flow [2021-07-09 19:29:22,550 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 195 states, 193 states have (on average 1.7098445595854923) internal successors, (330), 194 states have internal predecessors, (330), 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) [2021-07-09 19:29:22,559 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:29:22,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:29:22,566 INFO L82 PathProgramCache]: Analyzing trace with hash -840418573, now seen corresponding path program 1 times [2021-07-09 19:29:22,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:29:22,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535971392] [2021-07-09 19:29:22,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:29:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:29:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:29:22,863 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:29:22,863 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535971392] [2021-07-09 19:29:22,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535971392] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:29:22,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:29:22,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-09 19:29:22,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203020120] [2021-07-09 19:29:22,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-09 19:29:22,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:29:22,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-09 19:29:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-09 19:29:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:22,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:29:22,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:29:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:22,885 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 19:29:22,885 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:29:22,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:29:22,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1446939762, now seen corresponding path program 1 times [2021-07-09 19:29:22,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:29:22,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728644780] [2021-07-09 19:29:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:29:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:29:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:29:23,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:29:23,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728644780] [2021-07-09 19:29:23,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728644780] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:29:23,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:29:23,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 19:29:23,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785408158] [2021-07-09 19:29:23,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:29:23,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:29:23,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:29:23,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:29:23,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:29:23,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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) [2021-07-09 19:29:23,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:29:23,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 19:29:23,207 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (1/2) [2021-07-09 19:29:23,208 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-09 19:29:23,234 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:29:23,234 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:29:23,234 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:29:23,235 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:29:23,236 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:29:23,236 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:29:23,237 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:29:23,237 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:29:23,239 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 95 transitions, 198 flow [2021-07-09 19:29:23,252 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 299 states, 293 states have (on average 1.7781569965870307) internal successors, (521), 298 states have internal predecessors, (521), 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) [2021-07-09 19:29:23,253 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:29:23,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:29:23,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1654812270, now seen corresponding path program 1 times [2021-07-09 19:29:23,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:29:23,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661519431] [2021-07-09 19:29:23,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:29:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:29:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:29:23,377 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:29:23,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661519431] [2021-07-09 19:29:23,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661519431] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:29:23,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:29:23,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 19:29:23,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681216609] [2021-07-09 19:29:23,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:29:23,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:29:23,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:29:23,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:29:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:29:23,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-07-09 19:29:23,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:29:23,442 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 19:29:23,442 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:29:23,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:29:23,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1000374871, now seen corresponding path program 1 times [2021-07-09 19:29:23,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:29:23,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791988478] [2021-07-09 19:29:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:29:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:29:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:29:23,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:29:23,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791988478] [2021-07-09 19:29:23,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791988478] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:29:23,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:29:23,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 19:29:23,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151968607] [2021-07-09 19:29:23,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:29:23,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:29:23,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:29:23,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:29:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:29:23,593 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-07-09 19:29:23,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:29:23,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:29:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:29:23,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 19:29:23,671 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:29:23,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:29:23,672 INFO L82 PathProgramCache]: Analyzing trace with hash -10744082, now seen corresponding path program 1 times [2021-07-09 19:29:23,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:29:23,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372690592] [2021-07-09 19:29:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:29:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:29:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:29:23,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:29:23,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372690592] [2021-07-09 19:29:23,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372690592] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:29:23,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:29:23,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 19:29:23,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59929423] [2021-07-09 19:29:23,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:29:23,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:29:23,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:29:23,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:29:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:29:23,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-07-09 19:29:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:29:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:29:23,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:29:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-09 19:29:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:29:23,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-09 19:29:23,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 19:29:23,832 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-09 19:29:23,832 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 19:29:23,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 07:29:23 BasicIcfg [2021-07-09 19:29:23,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 19:29:23,840 INFO L168 Benchmark]: Toolchain (without parser) took 3221.23 ms. Allocated memory was 184.5 MB in the beginning and 261.1 MB in the end (delta: 76.5 MB). Free memory was 145.9 MB in the beginning and 212.5 MB in the end (delta: -66.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 8.0 GB. [2021-07-09 19:29:23,841 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 184.5 MB. Free memory was 166.1 MB in the beginning and 166.0 MB in the end (delta: 83.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 19:29:23,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.98 ms. Allocated memory is still 184.5 MB. Free memory was 145.7 MB in the beginning and 127.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-07-09 19:29:23,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.55 ms. Allocated memory is still 184.5 MB. Free memory was 127.1 MB in the beginning and 124.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 19:29:23,841 INFO L168 Benchmark]: Boogie Preprocessor took 58.27 ms. Allocated memory is still 184.5 MB. Free memory was 124.0 MB in the beginning and 121.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 19:29:23,842 INFO L168 Benchmark]: RCFGBuilder took 709.56 ms. Allocated memory is still 184.5 MB. Free memory was 121.4 MB in the beginning and 82.6 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-07-09 19:29:23,842 INFO L168 Benchmark]: TraceAbstraction took 1480.27 ms. Allocated memory was 184.5 MB in the beginning and 261.1 MB in the end (delta: 76.5 MB). Free memory was 82.0 MB in the beginning and 212.5 MB in the end (delta: -130.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 19:29:23,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 184.5 MB. Free memory was 166.1 MB in the beginning and 166.0 MB in the end (delta: 83.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 902.98 ms. Allocated memory is still 184.5 MB. Free memory was 145.7 MB in the beginning and 127.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.55 ms. Allocated memory is still 184.5 MB. Free memory was 127.1 MB in the beginning and 124.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 58.27 ms. Allocated memory is still 184.5 MB. Free memory was 124.0 MB in the beginning and 121.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 709.56 ms. Allocated memory is still 184.5 MB. Free memory was 121.4 MB in the beginning and 82.6 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1480.27 ms. Allocated memory was 184.5 MB in the beginning and 261.1 MB in the end (delta: 76.5 MB). Free memory was 82.0 MB in the beginning and 212.5 MB in the end (delta: -130.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 742.8ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 41.7ms, PartialOrderReductionTime: 102.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=0, InterpolantAutomatonStates: 7, 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: 15.5ms SsaConstructionTime, 79.4ms SatisfiabilityAnalysisTime, 230.2ms InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 611.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 177.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 13.4ms SsaConstructionTime, 58.4ms SatisfiabilityAnalysisTime, 234.3ms InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...