/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 09:15:52,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 09:15:52,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 09:15:52,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 09:15:52,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 09:15:52,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 09:15:52,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 09:15:52,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 09:15:52,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 09:15:52,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 09:15:52,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 09:15:52,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 09:15:52,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 09:15:52,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 09:15:52,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 09:15:52,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 09:15:52,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 09:15:52,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 09:15:52,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 09:15:52,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 09:15:52,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 09:15:52,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 09:15:52,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 09:15:52,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 09:15:52,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 09:15:52,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 09:15:52,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 09:15:52,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 09:15:52,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 09:15:52,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 09:15:52,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 09:15:52,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 09:15:52,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 09:15:52,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 09:15:52,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 09:15:52,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 09:15:52,997 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 09:15:53,028 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 09:15:53,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 09:15:53,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 09:15:53,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 09:15:53,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 09:15:53,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 09:15:53,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 09:15:53,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 09:15:53,030 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 09:15:53,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 09:15:53,031 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 09:15:53,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 09:15:53,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 09:15:53,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 09:15:53,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 09:15:53,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 09:15:53,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 09:15:53,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 09:15:53,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 09:15:53,033 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 09:15:53,034 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 09:15:53,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 09:15:53,034 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 09:15:53,034 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 09:15:53,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 09:15:53,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 09:15:53,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 09:15:53,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 09:15:53,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 09:15:53,266 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 09:15:53,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-03-16 09:15:53,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4999b4080/985c2f7f1fac4a7e815f00ee09c3f0c7/FLAGba956cf94 [2022-03-16 09:15:53,691 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 09:15:53,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-03-16 09:15:53,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4999b4080/985c2f7f1fac4a7e815f00ee09c3f0c7/FLAGba956cf94 [2022-03-16 09:15:54,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4999b4080/985c2f7f1fac4a7e815f00ee09c3f0c7 [2022-03-16 09:15:54,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 09:15:54,111 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 09:15:54,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 09:15:54,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 09:15:54,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 09:15:54,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7063fa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54, skipping insertion in model container [2022-03-16 09:15:54,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 09:15:54,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 09:15:54,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2333,2346] [2022-03-16 09:15:54,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 09:15:54,307 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 09:15:54,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2333,2346] [2022-03-16 09:15:54,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 09:15:54,335 INFO L208 MainTranslator]: Completed translation [2022-03-16 09:15:54,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54 WrapperNode [2022-03-16 09:15:54,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 09:15:54,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 09:15:54,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 09:15:54,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 09:15:54,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,375 INFO L137 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-03-16 09:15:54,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 09:15:54,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 09:15:54,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 09:15:54,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 09:15:54,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 09:15:54,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 09:15:54,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 09:15:54,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 09:15:54,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (1/1) ... [2022-03-16 09:15:54,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 09:15:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:15:54,461 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) [2022-03-16 09:15:54,470 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 [2022-03-16 09:15:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 09:15:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 09:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 09:15:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 09:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 09:15:54,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 09:15:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 09:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 09:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 09:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 09:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 09:15:54,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 09:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 09:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 09:15:54,502 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 09:15:54,595 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 09:15:54,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 09:15:54,823 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 09:15:54,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 09:15:54,834 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 09:15:54,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:15:54 BoogieIcfgContainer [2022-03-16 09:15:54,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 09:15:54,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 09:15:54,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 09:15:54,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 09:15:54,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:15:54" (1/3) ... [2022-03-16 09:15:54,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c6be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:15:54, skipping insertion in model container [2022-03-16 09:15:54,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:15:54" (2/3) ... [2022-03-16 09:15:54,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c6be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:15:54, skipping insertion in model container [2022-03-16 09:15:54,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:15:54" (3/3) ... [2022-03-16 09:15:54,843 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2022-03-16 09:15:54,848 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 09:15:54,848 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 09:15:54,848 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 09:15:54,848 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 09:15:54,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,882 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,883 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,884 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,885 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,886 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,891 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,892 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,893 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,894 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,894 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,894 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,894 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,894 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,895 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,896 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,897 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,898 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,899 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,903 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,904 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,914 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,916 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,917 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 09:15:54,928 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 09:15:54,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 09:15:54,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 09:15:54,965 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) [2022-03-16 09:15:54,979 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 [2022-03-16 09:15:54,999 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 09:15:55,011 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 09:15:55,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 09:15:55,117 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 205 transitions and produced 206 states. [2022-03-16 09:15:55,119 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:55,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1483793807, now seen corresponding path program 1 times [2022-03-16 09:15:55,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:55,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913091082] [2022-03-16 09:15:55,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:55,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:55,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:55,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913091082] [2022-03-16 09:15:55,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913091082] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:55,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:55,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 09:15:55,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319999139] [2022-03-16 09:15:55,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:55,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 09:15:55,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:55,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 09:15:55,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 09:15:55,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:55,442 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:55,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2022-03-16 09:15:55,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:55,477 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 205 transitions and produced 206 states. [2022-03-16 09:15:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:55,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 09:15:55,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:55,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:55,478 INFO L85 PathProgramCache]: Analyzing trace with hash 381107104, now seen corresponding path program 1 times [2022-03-16 09:15:55,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:55,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146029592] [2022-03-16 09:15:55,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:55,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:55,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:55,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146029592] [2022-03-16 09:15:55,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146029592] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:55,782 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:55,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-16 09:15:55,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864438808] [2022-03-16 09:15:55,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:55,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 09:15:55,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:55,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 09:15:55,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-16 09:15:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:55,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:55,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2022-03-16 09:15:55,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:55,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,012 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 276 states. [2022-03-16 09:15:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:15:56,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 09:15:56,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:56,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1465157501, now seen corresponding path program 1 times [2022-03-16 09:15:56,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:56,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111290376] [2022-03-16 09:15:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:56,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:56,248 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:56,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111290376] [2022-03-16 09:15:56,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111290376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:56,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:56,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 09:15:56,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485681157] [2022-03-16 09:15:56,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:56,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 09:15:56,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:56,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 09:15:56,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 09:15:56,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:56,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2022-03-16 09:15:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:15:56,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,381 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 276 states. [2022-03-16 09:15:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:15:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:56,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 09:15:56,383 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:56,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1026792349, now seen corresponding path program 1 times [2022-03-16 09:15:56,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:56,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467917780] [2022-03-16 09:15:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:56,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:56,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:56,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467917780] [2022-03-16 09:15:56,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467917780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:56,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:56,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 09:15:56,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805658226] [2022-03-16 09:15:56,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:56,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 09:15:56,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:56,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 09:15:56,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 09:15:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:56,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2022-03-16 09:15:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:15:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:56,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,950 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 973 transitions and produced 524 states. [2022-03-16 09:15:56,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:56,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:56,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 09:15:56,951 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:56,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1081158211, now seen corresponding path program 1 times [2022-03-16 09:15:56,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:56,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822979032] [2022-03-16 09:15:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:56,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:57,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:57,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822979032] [2022-03-16 09:15:57,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822979032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:57,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:57,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 09:15:57,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555581627] [2022-03-16 09:15:57,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:57,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 09:15:57,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:57,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 09:15:57,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 09:15:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:57,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2022-03-16 09:15:57,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:57,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:57,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:57,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,254 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 978 transitions and produced 529 states. [2022-03-16 09:15:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:57,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:57,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:57,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 09:15:57,255 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:57,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:57,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2047147872, now seen corresponding path program 1 times [2022-03-16 09:15:57,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:57,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140543171] [2022-03-16 09:15:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:57,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:57,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:57,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140543171] [2022-03-16 09:15:57,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140543171] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:57,396 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:57,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-16 09:15:57,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681406355] [2022-03-16 09:15:57,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:57,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-16 09:15:57,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:57,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-16 09:15:57,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-03-16 09:15:57,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:57,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-03-16 09:15:57,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:57,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:57,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:57,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:57,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,823 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1166 transitions and produced 597 states. [2022-03-16 09:15:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:57,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 09:15:57,825 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1700344355, now seen corresponding path program 1 times [2022-03-16 09:15:57,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:57,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891665708] [2022-03-16 09:15:57,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:57,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:57,987 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:57,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891665708] [2022-03-16 09:15:57,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891665708] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:57,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:57,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 09:15:57,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424037798] [2022-03-16 09:15:57,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:57,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 09:15:57,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:57,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 09:15:57,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 09:15:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:57,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:57,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:58,162 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1930 transitions and produced 909 states. [2022-03-16 09:15:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:58,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-16 09:15:58,164 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:58,164 INFO L85 PathProgramCache]: Analyzing trace with hash 153115488, now seen corresponding path program 1 times [2022-03-16 09:15:58,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:58,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317435191] [2022-03-16 09:15:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:58,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:58,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317435191] [2022-03-16 09:15:58,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317435191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:58,294 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:58,294 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-16 09:15:58,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460759402] [2022-03-16 09:15:58,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:58,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-16 09:15:58,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:58,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-16 09:15:58,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-03-16 09:15:58,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:58,296 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:58,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-03-16 09:15:58,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:58,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 09:15:58,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,085 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7182 transitions and produced 2785 states. [2022-03-16 09:15:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:59,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-16 09:15:59,088 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1822503098, now seen corresponding path program 1 times [2022-03-16 09:15:59,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:59,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547061105] [2022-03-16 09:15:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:59,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:59,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:59,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547061105] [2022-03-16 09:15:59,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547061105] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:59,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:59,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 09:15:59,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542683170] [2022-03-16 09:15:59,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:59,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 09:15:59,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:59,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 09:15:59,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-16 09:15:59,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:59,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-03-16 09:15:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 09:15:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:59,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:59,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:59,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,624 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10494 transitions and produced 4087 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:15:59,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-16 09:15:59,626 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 09:15:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 09:15:59,627 INFO L85 PathProgramCache]: Analyzing trace with hash -691335354, now seen corresponding path program 1 times [2022-03-16 09:15:59,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 09:15:59,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393750539] [2022-03-16 09:15:59,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 09:15:59,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 09:15:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 09:15:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 09:15:59,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 09:15:59,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393750539] [2022-03-16 09:15:59,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393750539] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 09:15:59,708 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 09:15:59,708 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-16 09:15:59,709 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380015150] [2022-03-16 09:15:59,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 09:15:59,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-16 09:15:59,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 09:15:59,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-16 09:15:59,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-16 09:15:59,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,713 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 09:15:59,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 09:15:59,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:15:59,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:16:03,580 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 120586 transitions and produced 34859 states. [2022-03-16 09:16:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 09:16:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 09:16:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 09:16:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 09:16:03,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-16 09:16:03,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 09:16:03,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 09:16:03,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 09:16:03,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-16 09:16:03,592 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-16 09:16:03,595 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 09:16:03,595 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 09:16:03,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 09:16:03 BasicIcfg [2022-03-16 09:16:03,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 09:16:03,603 INFO L158 Benchmark]: Toolchain (without parser) took 9489.59ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 120.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 455.1MB. Max. memory is 8.0GB. [2022-03-16 09:16:03,604 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 09:16:03,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.69ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 119.8MB in the beginning and 184.7MB in the end (delta: -64.9MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-03-16 09:16:03,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.21ms. Allocated memory is still 209.7MB. Free memory was 184.7MB in the beginning and 183.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 09:16:03,605 INFO L158 Benchmark]: Boogie Preprocessor took 44.17ms. Allocated memory is still 209.7MB. Free memory was 183.1MB in the beginning and 182.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 09:16:03,605 INFO L158 Benchmark]: RCFGBuilder took 414.71ms. Allocated memory is still 209.7MB. Free memory was 182.0MB in the beginning and 168.6MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-16 09:16:03,607 INFO L158 Benchmark]: TraceAbstraction took 8762.58ms. Allocated memory was 209.7MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 168.4MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 466.4MB. Max. memory is 8.0GB. [2022-03-16 09:16:03,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.69ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 119.8MB in the beginning and 184.7MB in the end (delta: -64.9MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.21ms. Allocated memory is still 209.7MB. Free memory was 184.7MB in the beginning and 183.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.17ms. Allocated memory is still 209.7MB. Free memory was 183.1MB in the beginning and 182.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 414.71ms. Allocated memory is still 209.7MB. Free memory was 182.0MB in the beginning and 168.6MB in the end (delta: 13.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8762.58ms. Allocated memory was 209.7MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 168.4MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 466.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 77]: 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 with 1 thread instances CFG has 7 procedures, 156 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 6.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 896 ConstructedInterpolants, 0 QuantifiedInterpolants, 3664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2022-03-16 09:16:03,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 09:16:03,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...