/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 14:06:15,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 14:06:15,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 14:06:15,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 14:06:15,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 14:06:15,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 14:06:15,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 14:06:15,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 14:06:15,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 14:06:15,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 14:06:15,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 14:06:15,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 14:06:15,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 14:06:15,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 14:06:15,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 14:06:15,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 14:06:15,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 14:06:15,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 14:06:15,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 14:06:15,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 14:06:15,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 14:06:15,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 14:06:15,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 14:06:15,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 14:06:15,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 14:06:15,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 14:06:15,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 14:06:15,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 14:06:15,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 14:06:15,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 14:06:15,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 14:06:15,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 14:06:15,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 14:06:15,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 14:06:15,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 14:06:15,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 14:06:15,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 14:06:15,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 14:06:15,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 14:06:15,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 14:06:15,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 14:06:15,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 14:06:15,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 14:06:15,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 14:06:15,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 14:06:15,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 14:06:15,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 14:06:15,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 14:06:15,707 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 14:06:15,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 14:06:15,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 14:06:15,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 14:06:15,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 14:06:15,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:06:15,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 14:06:15,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 14:06:15,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 14:06:15,710 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 14:06:15,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 14:06:15,710 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 14:06:15,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 14:06:15,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 14:06:15,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 14:06:15,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 14:06:15,935 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 14:06:15,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i [2021-06-06 14:06:15,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60235beed/3da65cac0e0c443b80626becd4bfa713/FLAG94479ec00 [2021-06-06 14:06:16,399 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 14:06:16,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.oepc.i [2021-06-06 14:06:16,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60235beed/3da65cac0e0c443b80626becd4bfa713/FLAG94479ec00 [2021-06-06 14:06:16,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60235beed/3da65cac0e0c443b80626becd4bfa713 [2021-06-06 14:06:16,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 14:06:16,425 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 14:06:16,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 14:06:16,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 14:06:16,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 14:06:16,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bfae93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16, skipping insertion in model container [2021-06-06 14:06:16,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 14:06:16,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 14:06:16,608 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/safe026_tso.oepc.i[950,963] [2021-06-06 14:06:16,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:06:16,747 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 14:06:16,754 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/safe026_tso.oepc.i[950,963] [2021-06-06 14:06:16,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 14:06:16,824 INFO L208 MainTranslator]: Completed translation [2021-06-06 14:06:16,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16 WrapperNode [2021-06-06 14:06:16,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 14:06:16,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 14:06:16,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 14:06:16,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 14:06:16,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 14:06:16,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 14:06:16,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 14:06:16,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 14:06:16,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... [2021-06-06 14:06:16,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 14:06:16,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 14:06:16,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 14:06:16,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 14:06:16,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 14:06:16,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 14:06:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 14:06:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 14:06:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 14:06:16,932 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 14:06:16,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 14:06:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 14:06:16,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 14:06:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 14:06:16,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 14:06:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 14:06:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 14:06:16,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 14:06:16,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 14:06:16,934 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 14:06:17,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 14:06:17,292 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 14:06:17,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:06:17 BoogieIcfgContainer [2021-06-06 14:06:17,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 14:06:17,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 14:06:17,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 14:06:17,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 14:06:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:06:16" (1/3) ... [2021-06-06 14:06:17,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657a554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:06:17, skipping insertion in model container [2021-06-06 14:06:17,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:06:16" (2/3) ... [2021-06-06 14:06:17,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657a554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:06:17, skipping insertion in model container [2021-06-06 14:06:17,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:06:17" (3/3) ... [2021-06-06 14:06:17,299 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.oepc.i [2021-06-06 14:06:17,302 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 14:06:17,303 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 14:06:17,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 14:06:17,303 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,330 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,331 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,331 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,332 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,332 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,333 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,333 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,333 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,334 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,335 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,337 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,337 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,338 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,338 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,338 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,338 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,341 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,342 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,343 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,343 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,344 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,347 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,348 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,348 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,349 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,350 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,350 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 14:06:17,352 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 14:06:17,367 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 [2021-06-06 14:06:17,414 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 14:06:17,414 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 14:06:17,414 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 14:06:17,415 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 14:06:17,415 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 14:06:17,415 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 14:06:17,415 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 14:06:17,415 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 14:06:17,483 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:06:17,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:06:17,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1994445278, now seen corresponding path program 1 times [2021-06-06 14:06:17,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:06:17,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122271427] [2021-06-06 14:06:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:06:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:06:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:06:17,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:06:17,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122271427] [2021-06-06 14:06:17,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122271427] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:06:17,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:06:17,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:06:17,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436250004] [2021-06-06 14:06:17,826 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:06:17,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:06:17,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:06:17,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:06:17,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:17,837 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:06:17,838 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:06:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:18,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 14:06:18,052 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:06:18,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:06:18,053 INFO L82 PathProgramCache]: Analyzing trace with hash 593449208, now seen corresponding path program 2 times [2021-06-06 14:06:18,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:06:18,053 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124153816] [2021-06-06 14:06:18,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:06:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:06:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:06:18,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:06:18,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124153816] [2021-06-06 14:06:18,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124153816] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:06:18,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:06:18,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:06:18,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213003759] [2021-06-06 14:06:18,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:06:18,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:06:18,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:06:18,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:18,241 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:06:18,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:06:18,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:18,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:06:18,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 14:06:18,582 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:06:18,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:06:18,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1432541988, now seen corresponding path program 3 times [2021-06-06 14:06:18,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:06:18,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901144101] [2021-06-06 14:06:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:06:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:06:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:06:18,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:06:18,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901144101] [2021-06-06 14:06:18,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901144101] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:06:18,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:06:18,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 14:06:18,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996353596] [2021-06-06 14:06:18,747 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 14:06:18,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:06:18,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 14:06:18,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-06 14:06:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:18,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:06:18,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:06:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 14:06:18,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:19,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:19,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:06:19,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 14:06:19,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 14:06:19,338 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 14:06:19,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 14:06:19,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1126224970, now seen corresponding path program 4 times [2021-06-06 14:06:19,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 14:06:19,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574676953] [2021-06-06 14:06:19,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 14:06:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 14:06:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 14:06:19,479 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 14:06:19,479 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574676953] [2021-06-06 14:06:19,479 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574676953] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 14:06:19,479 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 14:06:19,479 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 14:06:19,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036863823] [2021-06-06 14:06:19,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 14:06:19,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 14:06:19,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 14:06:19,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 14:06:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:19,485 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 14:06:19,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 14:06:19,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:19,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:06:19,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 14:06:19,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 14:06:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 14:06:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 14:06:19,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 14:06:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 14:06:19,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 14:06:19,921 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 14:06:19,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:06:19 BasicIcfg [2021-06-06 14:06:19,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 14:06:19,922 INFO L168 Benchmark]: Toolchain (without parser) took 3497.78 ms. Allocated memory was 392.2 MB in the beginning and 482.3 MB in the end (delta: 90.2 MB). Free memory was 354.4 MB in the beginning and 416.0 MB in the end (delta: -61.6 MB). Peak memory consumption was 279.9 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:19,923 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 392.2 MB. Free memory is still 372.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 14:06:19,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.78 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 354.0 MB in the end (delta: 156.1 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:19,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.76 ms. Allocated memory is still 392.2 MB. Free memory was 354.0 MB in the beginning and 351.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:19,923 INFO L168 Benchmark]: Boogie Preprocessor took 13.19 ms. Allocated memory is still 392.2 MB. Free memory was 351.9 MB in the beginning and 350.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:19,924 INFO L168 Benchmark]: RCFGBuilder took 415.31 ms. Allocated memory is still 392.2 MB. Free memory was 350.9 MB in the beginning and 324.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:19,924 INFO L168 Benchmark]: TraceAbstraction took 2627.26 ms. Allocated memory was 392.2 MB in the beginning and 482.3 MB in the end (delta: 90.2 MB). Free memory was 324.6 MB in the beginning and 416.0 MB in the end (delta: -91.4 MB). Peak memory consumption was 251.5 MB. Max. memory is 16.0 GB. [2021-06-06 14:06:19,925 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 392.2 MB. Free memory is still 372.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 395.78 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 354.0 MB in the end (delta: 156.1 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 38.76 ms. Allocated memory is still 392.2 MB. Free memory was 354.0 MB in the beginning and 351.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.19 ms. Allocated memory is still 392.2 MB. Free memory was 351.9 MB in the beginning and 350.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 415.31 ms. Allocated memory is still 392.2 MB. Free memory was 350.9 MB in the beginning and 324.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2627.26 ms. Allocated memory was 392.2 MB in the beginning and 482.3 MB in the end (delta: 90.2 MB). Free memory was 324.6 MB in the beginning and 416.0 MB in the end (delta: -91.4 MB). Peak memory consumption was 251.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51573, positive: 49179, positive conditional: 49179, positive unconditional: 0, negative: 2394, negative conditional: 2394, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 49491, positive: 49179, positive conditional: 49179, positive unconditional: 0, negative: 312, negative conditional: 312, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 49491, positive: 48694, positive conditional: 0, positive unconditional: 48694, negative: 797, negative conditional: 0, negative unconditional: 797, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 585, positive: 575, positive conditional: 0, positive unconditional: 575, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 585, positive: 569, positive conditional: 0, positive unconditional: 569, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 24, positive conditional: 11, positive unconditional: 13, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49491, positive: 48119, positive conditional: 0, positive unconditional: 48119, negative: 787, negative conditional: 0, negative unconditional: 787, unknown: 585, unknown conditional: 0, unknown unconditional: 585] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 583, Positive conditional cache size: 8, Positive unconditional cache size: 575, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 24, positive conditional: 11, positive unconditional: 13, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2069, positive: 477, positive conditional: 477, positive unconditional: 0, negative: 1572, negative conditional: 269, negative unconditional: 1303, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 583, Positive conditional cache size: 8, Positive unconditional cache size: 575, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 1303, SemanticConditionEliminator.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 24, positive conditional: 11, positive unconditional: 13, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2069, positive: 477, positive conditional: 477, positive unconditional: 0, negative: 1572, negative conditional: 269, negative unconditional: 1303, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 583, Positive conditional cache size: 8, Positive unconditional cache size: 575, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 1303, SemanticConditionEliminator.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 24, positive conditional: 11, positive unconditional: 13, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2069, positive: 477, positive conditional: 477, positive unconditional: 0, negative: 1572, negative conditional: 269, negative unconditional: 1303, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 583, Positive conditional cache size: 8, Positive unconditional cache size: 575, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 1303, SemanticConditionEliminator.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2069, positive: 485, positive conditional: 485, positive unconditional: 0, negative: 1584, negative conditional: 281, negative unconditional: 1303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 22, negative conditional: 12, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 24, positive conditional: 11, positive unconditional: 13, negative: 65, negative conditional: 15, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2069, positive: 477, positive conditional: 477, positive unconditional: 0, negative: 1572, negative conditional: 269, negative unconditional: 1303, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 583, Positive conditional cache size: 8, Positive unconditional cache size: 575, Negative cache size: 22, Negative conditional cache size: 12, Negative unconditional cache size: 10, Eliminated conditions: 1303 ], Maximal queried relation: 4, Independence queries for same thread: 2082 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2531.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 1626.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 20.7ms SsaConstructionTime, 153.9ms SatisfiabilityAnalysisTime, 556.3ms InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 937 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...