/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 12:44:05,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 12:44:05,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 12:44:05,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 12:44:05,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 12:44:05,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 12:44:05,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 12:44:05,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 12:44:05,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 12:44:05,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 12:44:05,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 12:44:05,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 12:44:05,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 12:44:05,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 12:44:05,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 12:44:05,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 12:44:05,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 12:44:05,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 12:44:05,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 12:44:05,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 12:44:05,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 12:44:05,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 12:44:05,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 12:44:05,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 12:44:05,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 12:44:05,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 12:44:05,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 12:44:05,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 12:44:05,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 12:44:05,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 12:44:05,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 12:44:05,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 12:44:05,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 12:44:05,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 12:44:05,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 12:44:05,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 12:44:05,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 12:44:05,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 12:44:05,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 12:44:05,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 12:44:05,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 12:44:05,831 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-MCRwithoutDepranks-Lazy.epf [2022-02-10 12:44:05,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 12:44:05,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 12:44:05,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 12:44:05,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 12:44:05,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 12:44:05,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 12:44:05,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 12:44:05,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 12:44:05,861 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 12:44:05,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 12:44:05,861 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 12:44:05,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 12:44:05,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 12:44:05,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 12:44:05,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 12:44:05,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 12:44:05,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 12:44:05,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 12:44:05,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 12:44:05,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 12:44:05,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 12:44:05,863 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 12:44:05,864 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 12:44:05,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 12:44:06,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 12:44:06,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 12:44:06,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 12:44:06,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 12:44:06,083 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 12:44:06,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2022-02-10 12:44:06,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6de9767e/23058abdbe96424f8f43772ee3297383/FLAGa48dcd5af [2022-02-10 12:44:06,539 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 12:44:06,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2022-02-10 12:44:06,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6de9767e/23058abdbe96424f8f43772ee3297383/FLAGa48dcd5af [2022-02-10 12:44:06,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6de9767e/23058abdbe96424f8f43772ee3297383 [2022-02-10 12:44:06,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 12:44:06,562 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 12:44:06,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 12:44:06,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 12:44:06,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 12:44:06,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:06,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ef3384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06, skipping insertion in model container [2022-02-10 12:44:06,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:06,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 12:44:06,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 12:44:06,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2022-02-10 12:44:06,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 12:44:06,893 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 12:44:06,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i[1103,1116] [2022-02-10 12:44:06,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 12:44:06,980 INFO L208 MainTranslator]: Completed translation [2022-02-10 12:44:06,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06 WrapperNode [2022-02-10 12:44:06,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 12:44:06,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 12:44:06,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 12:44:06,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 12:44:07,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,039 INFO L137 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2022-02-10 12:44:07,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 12:44:07,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 12:44:07,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 12:44:07,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 12:44:07,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 12:44:07,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 12:44:07,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 12:44:07,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 12:44:07,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (1/1) ... [2022-02-10 12:44:07,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 12:44:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 12:44:07,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 12:44:07,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 12:44:07,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 12:44:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-02-10 12:44:07,219 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-02-10 12:44:07,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 12:44:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 12:44:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 12:44:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 12:44:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 12:44:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 12:44:07,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 12:44:07,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 12:44:07,221 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 12:44:07,295 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 12:44:07,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 12:44:07,442 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 12:44:07,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 12:44:07,451 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 12:44:07,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:44:07 BoogieIcfgContainer [2022-02-10 12:44:07,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 12:44:07,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 12:44:07,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 12:44:07,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 12:44:07,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 12:44:06" (1/3) ... [2022-02-10 12:44:07,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2730066b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 12:44:07, skipping insertion in model container [2022-02-10 12:44:07,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:44:06" (2/3) ... [2022-02-10 12:44:07,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2730066b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 12:44:07, skipping insertion in model container [2022-02-10 12:44:07,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:44:07" (3/3) ... [2022-02-10 12:44:07,465 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2022-02-10 12:44:07,469 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 12:44:07,469 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 12:44:07,469 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-10 12:44:07,469 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 12:44:07,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,494 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,494 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,494 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,495 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,495 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,495 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,496 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,497 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,498 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,498 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,498 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,498 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,498 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,498 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,499 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,499 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,499 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,499 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,499 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,500 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,500 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,500 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,500 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,503 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,503 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,504 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 12:44:07,508 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 12:44:07,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 12:44:07,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 12:44:07,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-10 12:44:07,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-10 12:44:07,599 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 12:44:07,606 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 12:44:07,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 12:44:07,713 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 65 transitions and produced 66 states. [2022-02-10 12:44:07,715 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 12:44:07,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 12:44:07,720 INFO L85 PathProgramCache]: Analyzing trace with hash -209547896, now seen corresponding path program 1 times [2022-02-10 12:44:07,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 12:44:07,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398413355] [2022-02-10 12:44:07,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 12:44:07,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 12:44:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 12:44:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 12:44:08,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 12:44:08,044 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398413355] [2022-02-10 12:44:08,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398413355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 12:44:08,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 12:44:08,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 12:44:08,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243212298] [2022-02-10 12:44:08,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 12:44:08,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 12:44:08,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 12:44:08,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 12:44:08,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 12:44:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:44:08,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 12:44:08,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 12:44:08,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:44:08,259 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78 transitions and produced 79 states. [2022-02-10 12:44:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 12:44:08,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 12:44:08,261 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 12:44:08,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 12:44:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash 330090460, now seen corresponding path program 1 times [2022-02-10 12:44:08,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 12:44:08,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052380253] [2022-02-10 12:44:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 12:44:08,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 12:44:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 12:44:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 12:44:08,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 12:44:08,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052380253] [2022-02-10 12:44:08,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052380253] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 12:44:08,414 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 12:44:08,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 12:44:08,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553779494] [2022-02-10 12:44:08,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 12:44:08,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 12:44:08,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 12:44:08,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 12:44:08,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 12:44:08,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:44:08,418 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 12:44:08,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2022-02-10 12:44:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 12:44:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:44:08,623 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 99 transitions and produced 100 states. [2022-02-10 12:44:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 12:44:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 12:44:08,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 12:44:08,624 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 12:44:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 12:44:08,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1854825139, now seen corresponding path program 1 times [2022-02-10 12:44:08,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 12:44:08,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398060537] [2022-02-10 12:44:08,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 12:44:08,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 12:44:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 12:44:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 12:44:08,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 12:44:08,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398060537] [2022-02-10 12:44:08,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398060537] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 12:44:08,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 12:44:08,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 12:44:08,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786662913] [2022-02-10 12:44:08,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 12:44:08,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 12:44:08,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 12:44:08,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 12:44:08,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 12:44:08,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:44:08,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 12:44:08,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-02-10 12:44:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 12:44:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 12:44:08,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:45:15,765 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 13084 transitions and produced 13085 states. [2022-02-10 12:45:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 12:45:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:15,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 12:45:15,767 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 12:45:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 12:45:15,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1099216937, now seen corresponding path program 1 times [2022-02-10 12:45:15,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 12:45:15,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195249001] [2022-02-10 12:45:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 12:45:15,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 12:45:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 12:45:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 12:45:15,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 12:45:15,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195249001] [2022-02-10 12:45:15,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195249001] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 12:45:15,845 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 12:45:15,845 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 12:45:15,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750090235] [2022-02-10 12:45:15,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 12:45:15,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 12:45:15,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 12:45:15,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 12:45:15,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-10 12:45:15,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:45:15,849 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 12:45:15,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 12:45:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-10 12:45:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:45:16,236 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 235 transitions and produced 236 states. [2022-02-10 12:45:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 12:45:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 12:45:16,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 12:45:16,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 12:45:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 12:45:16,239 INFO L85 PathProgramCache]: Analyzing trace with hash 657251771, now seen corresponding path program 1 times [2022-02-10 12:45:16,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 12:45:16,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222078317] [2022-02-10 12:45:16,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 12:45:16,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 12:45:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 12:45:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 12:45:16,392 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 12:45:16,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222078317] [2022-02-10 12:45:16,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222078317] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 12:45:16,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 12:45:16,393 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 12:45:16,393 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847727730] [2022-02-10 12:45:16,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 12:45:16,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 12:45:16,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 12:45:16,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 12:45:16,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 12:45:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 12:45:16,395 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 12:45:16,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2022-02-10 12:45:16,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-10 12:45:16,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:16,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-10 12:45:16,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-10 12:45:16,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.