/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 23:02:00,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 23:02:00,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 23:02:00,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 23:02:00,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 23:02:00,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 23:02:00,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 23:02:00,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 23:02:00,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 23:02:00,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 23:02:00,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 23:02:00,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 23:02:00,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 23:02:00,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 23:02:00,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 23:02:00,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 23:02:00,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 23:02:00,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 23:02:00,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 23:02:00,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 23:02:00,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 23:02:00,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 23:02:00,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 23:02:00,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 23:02:00,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-03 23:02:00,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 23:02:00,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 23:02:00,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 23:02:00,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 23:02:00,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 23:02:00,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 23:02:00,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 23:02:00,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 23:02:00,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 23:02:00,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 23:02:00,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 23:02:00,103 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-wrwc.epf [2022-03-03 23:02:00,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 23:02:00,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 23:02:00,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 23:02:00,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 23:02:00,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 23:02:00,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 23:02:00,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 23:02:00,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 23:02:00,134 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 23:02:00,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 23:02:00,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 23:02:00,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 23:02:00,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 23:02:00,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 23:02:00,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 23:02:00,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-03 23:02:00,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 23:02:00,137 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-03 23:02:00,137 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-03 23:02:00,137 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-03 23:02:00,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 23:02:00,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 23:02:00,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 23:02:00,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 23:02:00,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 23:02:00,346 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 23:02:00,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2022-03-03 23:02:00,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e213d38e5/6f0376f3eaa144458fdd2a4cf53b914c/FLAG8916e67cd [2022-03-03 23:02:00,772 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 23:02:00,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2022-03-03 23:02:00,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e213d38e5/6f0376f3eaa144458fdd2a4cf53b914c/FLAG8916e67cd [2022-03-03 23:02:00,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e213d38e5/6f0376f3eaa144458fdd2a4cf53b914c [2022-03-03 23:02:00,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 23:02:00,799 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 23:02:00,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 23:02:00,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 23:02:00,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 23:02:00,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:02:00" (1/1) ... [2022-03-03 23:02:00,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9141d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:00, skipping insertion in model container [2022-03-03 23:02:00,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 11:02:00" (1/1) ... [2022-03-03 23:02:00,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 23:02:00,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 23:02:00,987 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/popl20-counter-determinism.wvr.c[2476,2489] [2022-03-03 23:02:00,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 23:02:00,994 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 23:02:01,010 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/popl20-counter-determinism.wvr.c[2476,2489] [2022-03-03 23:02:01,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 23:02:01,020 INFO L208 MainTranslator]: Completed translation [2022-03-03 23:02:01,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01 WrapperNode [2022-03-03 23:02:01,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 23:02:01,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 23:02:01,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 23:02:01,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 23:02:01,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,055 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2022-03-03 23:02:01,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 23:02:01,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 23:02:01,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 23:02:01,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 23:02:01,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 23:02:01,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 23:02:01,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 23:02:01,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 23:02:01,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (1/1) ... [2022-03-03 23:02:01,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 23:02:01,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:01,111 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) [2022-03-03 23:02:01,123 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 [2022-03-03 23:02:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 23:02:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-03 23:02:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-03 23:02:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-03 23:02:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-03 23:02:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-03 23:02:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-03 23:02:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-03 23:02:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-03 23:02:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 23:02:01,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 23:02:01,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 23:02:01,141 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 23:02:01,195 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 23:02:01,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 23:02:01,371 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 23:02:01,408 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 23:02:01,408 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-03 23:02:01,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 11:02:01 BoogieIcfgContainer [2022-03-03 23:02:01,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 23:02:01,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 23:02:01,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 23:02:01,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 23:02:01,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 11:02:00" (1/3) ... [2022-03-03 23:02:01,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209de5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:02:01, skipping insertion in model container [2022-03-03 23:02:01,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 11:02:01" (2/3) ... [2022-03-03 23:02:01,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209de5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 11:02:01, skipping insertion in model container [2022-03-03 23:02:01,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 11:02:01" (3/3) ... [2022-03-03 23:02:01,416 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2022-03-03 23:02:01,419 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 23:02:01,419 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 23:02:01,419 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 23:02:01,420 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 23:02:01,453 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,454 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,454 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,454 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,454 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,456 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,461 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,461 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,461 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,461 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,461 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,461 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,467 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,469 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,470 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 23:02:01,477 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-03 23:02:01,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-03 23:02:01,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:01,516 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) [2022-03-03 23:02:01,538 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 [2022-03-03 23:02:01,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 23:02:01,554 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=false [2022-03-03 23:02:01,554 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-03 23:02:01,656 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 175 transitions and produced 176 states. [2022-03-03 23:02:01,658 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:01,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash -254021942, now seen corresponding path program 1 times [2022-03-03 23:02:01,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:01,670 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009246576] [2022-03-03 23:02:01,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:01,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:01,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009246576] [2022-03-03 23:02:01,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009246576] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 23:02:01,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 23:02:01,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 23:02:01,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735807845] [2022-03-03 23:02:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 23:02:01,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 23:02:01,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:01,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 23:02:01,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 23:02:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:01,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:01,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 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) [2022-03-03 23:02:01,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:01,949 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 175 transitions and produced 176 states. [2022-03-03 23:02:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:01,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 23:02:01,951 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:01,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1900171859, now seen corresponding path program 1 times [2022-03-03 23:02:01,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:01,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654560494] [2022-03-03 23:02:01,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:01,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:02,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:02,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654560494] [2022-03-03 23:02:02,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654560494] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 23:02:02,275 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 23:02:02,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 23:02:02,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293050594] [2022-03-03 23:02:02,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 23:02:02,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 23:02:02,277 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:02,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 23:02:02,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 23:02:02,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:02,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:02,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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) [2022-03-03 23:02:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:02,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:02,430 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 579 transitions and produced 351 states. [2022-03-03 23:02:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 23:02:02,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 23:02:02,432 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:02,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:02,432 INFO L85 PathProgramCache]: Analyzing trace with hash 50844007, now seen corresponding path program 1 times [2022-03-03 23:02:02,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:02,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214907921] [2022-03-03 23:02:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:02,494 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:02,494 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214907921] [2022-03-03 23:02:02,494 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214907921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 23:02:02,494 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 23:02:02,494 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 23:02:02,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234056444] [2022-03-03 23:02:02,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 23:02:02,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 23:02:02,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:02,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 23:02:02,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-03 23:02:02,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:02,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:02,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2022-03-03 23:02:02,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:02,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-03 23:02:02,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:03,015 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5264 transitions and produced 1616 states. [2022-03-03 23:02:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:03,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 23:02:03,017 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:03,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash -583760541, now seen corresponding path program 1 times [2022-03-03 23:02:03,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:03,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962275845] [2022-03-03 23:02:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:03,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:03,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962275845] [2022-03-03 23:02:03,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962275845] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:03,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255933252] [2022-03-03 23:02:03,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:03,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:03,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:03,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 23:02:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:03,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-03 23:02:03,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:03,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:03,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255933252] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:03,617 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:03,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-03-03 23:02:03,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295686285] [2022-03-03 23:02:03,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:03,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 23:02:03,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:03,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 23:02:03,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-03 23:02:03,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:03,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:03,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 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) [2022-03-03 23:02:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:03,930 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5286 transitions and produced 1638 states. [2022-03-03 23:02:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:03,951 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-03 23:02:04,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-03-03 23:02:04,146 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:04,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:04,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1666308565, now seen corresponding path program 1 times [2022-03-03 23:02:04,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:04,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642036807] [2022-03-03 23:02:04,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:04,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 23:02:04,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:04,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642036807] [2022-03-03 23:02:04,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642036807] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:04,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363591839] [2022-03-03 23:02:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:04,223 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:04,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 23:02:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:04,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-03 23:02:04,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 23:02:04,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 23:02:04,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363591839] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:04,538 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:04,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-03-03 23:02:04,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926896432] [2022-03-03 23:02:04,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:04,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 23:02:04,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:04,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 23:02:04,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-03 23:02:04,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:04,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:04,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 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) [2022-03-03 23:02:04,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:04,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:04,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:04,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:04,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:04,787 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5303 transitions and produced 1655 states. [2022-03-03 23:02:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:04,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:04,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-03 23:02:05,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:05,006 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:05,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:05,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1047178021, now seen corresponding path program 1 times [2022-03-03 23:02:05,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:05,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005555889] [2022-03-03 23:02:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:05,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:05,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:05,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005555889] [2022-03-03 23:02:05,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005555889] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:05,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702326494] [2022-03-03 23:02:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:05,106 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:05,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-03 23:02:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:05,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-03 23:02:05,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:05,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:05,460 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702326494] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:05,462 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:05,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-03-03 23:02:05,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438622825] [2022-03-03 23:02:05,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:05,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 23:02:05,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:05,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 23:02:05,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-03 23:02:05,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:05,469 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:05,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 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) [2022-03-03 23:02:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:05,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:05,677 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5315 transitions and produced 1667 states. [2022-03-03 23:02:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:05,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:05,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-03 23:02:05,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:05,892 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:05,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:05,892 INFO L85 PathProgramCache]: Analyzing trace with hash -696718505, now seen corresponding path program 1 times [2022-03-03 23:02:05,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:05,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328961547] [2022-03-03 23:02:05,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:05,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:06,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:06,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328961547] [2022-03-03 23:02:06,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328961547] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:06,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236682006] [2022-03-03 23:02:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:06,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:06,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:06,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:06,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-03 23:02:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:06,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-03 23:02:06,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:06,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:06,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236682006] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:06,862 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:06,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 11 [2022-03-03 23:02:06,863 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575027496] [2022-03-03 23:02:06,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:06,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 23:02:06,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:06,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 23:02:06,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-03-03 23:02:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:06,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:06,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.09090909090909) internal successors, (188), 11 states have internal predecessors, (188), 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) [2022-03-03 23:02:06,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:06,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:06,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:06,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:06,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:06,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:06,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:07,711 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6062 transitions and produced 1968 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 23:02:07,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-03 23:02:07,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:07,921 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:07,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:07,922 INFO L85 PathProgramCache]: Analyzing trace with hash -252159833, now seen corresponding path program 2 times [2022-03-03 23:02:07,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:07,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878651364] [2022-03-03 23:02:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:07,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:07,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:07,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878651364] [2022-03-03 23:02:07,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878651364] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:07,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829438254] [2022-03-03 23:02:07,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 23:02:07,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:07,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:07,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-03 23:02:08,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 23:02:08,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 23:02:08,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 23:02:08,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:08,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:08,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829438254] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:08,392 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:08,392 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-03 23:02:08,392 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306107465] [2022-03-03 23:02:08,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:08,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 23:02:08,393 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:08,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 23:02:08,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-03-03 23:02:08,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:08,394 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:08,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.0) internal successors, (152), 19 states have internal predecessors, (152), 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) [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-03 23:02:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:21,143 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52931 transitions and produced 13502 states. [2022-03-03 23:02:21,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:21,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:21,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 23:02:21,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-03 23:02:21,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:21,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash 400750183, now seen corresponding path program 3 times [2022-03-03 23:02:21,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:21,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406721310] [2022-03-03 23:02:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:21,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:21,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:21,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406721310] [2022-03-03 23:02:21,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406721310] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:21,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708828404] [2022-03-03 23:02:21,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 23:02:21,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:21,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:21,428 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:21,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-03 23:02:21,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-03 23:02:21,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 23:02:21,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 23:02:21,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:21,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 23:02:21,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708828404] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:21,860 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:21,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-03-03 23:02:21,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907992184] [2022-03-03 23:02:21,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:21,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 23:02:21,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:21,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 23:02:21,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-03-03 23:02:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:21,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:21,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 16 states have internal predecessors, (123), 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) [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-03 23:02:21,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:33,114 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52953 transitions and produced 13524 states. [2022-03-03 23:02:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-03 23:02:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:33,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-03 23:02:33,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:33,318 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash -202357867, now seen corresponding path program 4 times [2022-03-03 23:02:33,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:33,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657139649] [2022-03-03 23:02:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-03 23:02:33,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:33,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657139649] [2022-03-03 23:02:33,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657139649] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:33,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147157955] [2022-03-03 23:02:33,398 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-03 23:02:33,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:33,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:33,399 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:33,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-03 23:02:33,473 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-03 23:02:33,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 23:02:33,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 23:02:33,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-03 23:02:33,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-03 23:02:33,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147157955] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:33,829 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:33,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-03-03 23:02:33,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945469360] [2022-03-03 23:02:33,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:33,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-03 23:02:33,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-03 23:02:33,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-03-03 23:02:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:33,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:33,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 16 states have internal predecessors, (123), 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) [2022-03-03 23:02:33,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:33,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:33,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:33,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:33,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:33,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:33,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:33,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-03 23:02:33,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:33,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:45,183 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52982 transitions and produced 13553 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 23:02:45,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:45,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-03 23:02:45,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-03 23:02:45,388 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1775370707, now seen corresponding path program 5 times [2022-03-03 23:02:45,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:45,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073008515] [2022-03-03 23:02:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:45,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:45,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073008515] [2022-03-03 23:02:45,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073008515] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:45,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889295696] [2022-03-03 23:02:45,543 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-03 23:02:45,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:45,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:45,561 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:45,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-03 23:02:45,643 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-03-03 23:02:45,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 23:02:45,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-03 23:02:45,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:46,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 23:02:46,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889295696] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:46,448 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:46,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 15 [2022-03-03 23:02:46,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045171920] [2022-03-03 23:02:46,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:46,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-03 23:02:46,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-03 23:02:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-03-03 23:02:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:46,449 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:46,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.2) internal successors, (228), 15 states have internal predecessors, (228), 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) [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:46,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:55,407 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 38484 transitions and produced 10578 states. [2022-03-03 23:02:55,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 23:02:55,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-03 23:02:55,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:55,610 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 23:02:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 23:02:55,611 INFO L85 PathProgramCache]: Analyzing trace with hash 584698983, now seen corresponding path program 6 times [2022-03-03 23:02:55,611 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 23:02:55,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788386632] [2022-03-03 23:02:55,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 23:02:55,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 23:02:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 23:02:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-03 23:02:55,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 23:02:55,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788386632] [2022-03-03 23:02:55,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788386632] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 23:02:55,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178152168] [2022-03-03 23:02:55,706 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-03 23:02:55,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 23:02:55,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 23:02:55,708 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 23:02:55,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-03 23:02:55,796 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-03-03 23:02:55,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 23:02:55,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-03 23:02:55,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 23:02:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-03 23:02:56,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 23:02:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-03 23:02:56,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178152168] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 23:02:56,207 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 23:02:56,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-03-03 23:02:56,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454431566] [2022-03-03 23:02:56,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 23:02:56,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-03 23:02:56,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 23:02:56,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-03 23:02:56,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2022-03-03 23:02:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:56,209 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-03 23:02:56,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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) [2022-03-03 23:02:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-03 23:02:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-03 23:02:56,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-03 23:02:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.