/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-prod-cons3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 08:55:28,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 08:55:28,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 08:55:28,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 08:55:28,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 08:55:28,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 08:55:28,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 08:55:28,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 08:55:28,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 08:55:28,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 08:55:28,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 08:55:28,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 08:55:28,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 08:55:28,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 08:55:28,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 08:55:28,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 08:55:28,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 08:55:28,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 08:55:28,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 08:55:28,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 08:55:28,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 08:55:28,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 08:55:28,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 08:55:28,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 08:55:28,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 08:55:28,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 08:55:28,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 08:55:28,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 08:55:28,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 08:55:28,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 08:55:28,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 08:55:28,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 08:55:28,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 08:55:28,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 08:55:28,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 08:55:28,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 08:55:28,213 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 [2022-02-19 08:55:28,225 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 08:55:28,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 08:55:28,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 08:55:28,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 08:55:28,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 08:55:28,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 08:55:28,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 08:55:28,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 08:55:28,227 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 08:55:28,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 08:55:28,227 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 08:55:28,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 08:55:28,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 08:55:28,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 08:55:28,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 08:55:28,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 08:55:28,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 08:55:28,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 08:55:28,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 08:55:28,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 08:55:28,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 08:55:28,390 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 08:55:28,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2022-02-19 08:55:28,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdf7df5e5/581479458eb4487ca622e715b0b96aa3/FLAG93ade27dc [2022-02-19 08:55:28,774 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 08:55:28,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2022-02-19 08:55:28,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdf7df5e5/581479458eb4487ca622e715b0b96aa3/FLAG93ade27dc [2022-02-19 08:55:28,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdf7df5e5/581479458eb4487ca622e715b0b96aa3 [2022-02-19 08:55:28,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 08:55:28,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 08:55:28,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 08:55:28,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 08:55:28,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 08:55:28,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:55:28" (1/1) ... [2022-02-19 08:55:28,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb8210b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:28, skipping insertion in model container [2022-02-19 08:55:28,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 08:55:28" (1/1) ... [2022-02-19 08:55:28,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 08:55:28,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 08:55:28,958 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-prod-cons3.wvr.c[4007,4020] [2022-02-19 08:55:28,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 08:55:28,972 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 08:55:28,991 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-prod-cons3.wvr.c[4007,4020] [2022-02-19 08:55:28,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 08:55:29,003 INFO L208 MainTranslator]: Completed translation [2022-02-19 08:55:29,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29 WrapperNode [2022-02-19 08:55:29,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 08:55:29,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 08:55:29,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 08:55:29,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 08:55:29,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,037 INFO L137 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 267 [2022-02-19 08:55:29,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 08:55:29,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 08:55:29,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 08:55:29,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 08:55:29,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 08:55:29,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 08:55:29,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 08:55:29,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 08:55:29,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (1/1) ... [2022-02-19 08:55:29,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 08:55:29,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 08:55:29,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 08:55:29,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 08:55:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 08:55:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 08:55:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 08:55:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 08:55:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 08:55:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-19 08:55:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 08:55:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 08:55:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 08:55:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 08:55:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 08:55:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 08:55:29,119 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 08:55:29,191 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 08:55:29,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 08:55:29,456 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 08:55:29,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 08:55:29,512 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-19 08:55:29,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:55:29 BoogieIcfgContainer [2022-02-19 08:55:29,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 08:55:29,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 08:55:29,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 08:55:29,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 08:55:29,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 08:55:28" (1/3) ... [2022-02-19 08:55:29,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6585d389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:55:29, skipping insertion in model container [2022-02-19 08:55:29,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 08:55:29" (2/3) ... [2022-02-19 08:55:29,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6585d389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 08:55:29, skipping insertion in model container [2022-02-19 08:55:29,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 08:55:29" (3/3) ... [2022-02-19 08:55:29,519 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2022-02-19 08:55:29,523 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 08:55:29,523 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 08:55:29,523 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 08:55:29,523 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 08:55:29,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,557 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,558 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,559 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,566 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,567 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,567 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,567 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,571 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,571 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,571 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,571 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,571 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,571 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,572 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,572 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,572 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,574 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,574 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,574 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,574 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,579 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,579 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,579 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,579 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,579 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,580 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,580 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,580 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,582 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,582 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,582 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,583 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,585 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,585 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 08:55:29,593 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-19 08:55:29,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 08:55:29,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 08:55:29,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 08:55:29,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 08:55:29,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 08:55:29,656 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 [2022-02-19 08:55:29,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 08:55:29,849 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 284 transitions and produced 285 states. [2022-02-19 08:55:29,851 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)] === [2022-02-19 08:55:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 08:55:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash 780265947, now seen corresponding path program 1 times [2022-02-19 08:55:29,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 08:55:29,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911969885] [2022-02-19 08:55:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 08:55:29,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 08:55:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 08:55:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 08:55:30,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 08:55:30,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911969885] [2022-02-19 08:55:30,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911969885] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 08:55:30,088 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 08:55:30,088 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 08:55:30,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14074380] [2022-02-19 08:55:30,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 08:55:30,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 08:55:30,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 08:55:30,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 08:55:30,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 08:55:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:30,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 08:55:30,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.5) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 08:55:30,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:30,240 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 284 transitions and produced 285 states. [2022-02-19 08:55:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:30,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 08:55:30,241 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)] === [2022-02-19 08:55:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 08:55:30,243 INFO L85 PathProgramCache]: Analyzing trace with hash 498406223, now seen corresponding path program 1 times [2022-02-19 08:55:30,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 08:55:30,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792932453] [2022-02-19 08:55:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 08:55:30,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 08:55:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 08:55:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 08:55:30,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 08:55:30,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792932453] [2022-02-19 08:55:30,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792932453] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 08:55:30,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 08:55:30,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 08:55:30,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877873067] [2022-02-19 08:55:30,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 08:55:30,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 08:55:30,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 08:55:30,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 08:55:30,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 08:55:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:30,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 08:55:30,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 08:55:30,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:30,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,064 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 417 transitions and produced 412 states. [2022-02-19 08:55:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:32,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 08:55:32,065 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)] === [2022-02-19 08:55:32,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 08:55:32,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1278809265, now seen corresponding path program 1 times [2022-02-19 08:55:32,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 08:55:32,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988769688] [2022-02-19 08:55:32,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 08:55:32,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 08:55:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 08:55:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-02-19 08:55:32,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 08:55:32,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988769688] [2022-02-19 08:55:32,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988769688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 08:55:32,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 08:55:32,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 08:55:32,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851494394] [2022-02-19 08:55:32,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 08:55:32,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 08:55:32,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 08:55:32,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 08:55:32,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 08:55:32,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 08:55:32,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.0) internal successors, (180), 6 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 08:55:32,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:32,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,490 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2503 transitions and produced 810 states. [2022-02-19 08:55:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:32,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 08:55:32,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 08:55:32,492 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)] === [2022-02-19 08:55:32,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 08:55:32,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1336364209, now seen corresponding path program 2 times [2022-02-19 08:55:32,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 08:55:32,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605050379] [2022-02-19 08:55:32,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 08:55:32,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 08:55:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 08:55:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 08:55:32,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 08:55:32,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605050379] [2022-02-19 08:55:32,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605050379] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 08:55:32,627 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 08:55:32,627 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 08:55:32,627 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437786694] [2022-02-19 08:55:32,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 08:55:32,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 08:55:32,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 08:55:32,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 08:55:32,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 08:55:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 08:55:32,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 08:55:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 08:55:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,845 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1758 transitions and produced 623 states. [2022-02-19 08:55:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 08:55:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:32,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 08:55:32,846 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)] === [2022-02-19 08:55:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 08:55:32,848 INFO L85 PathProgramCache]: Analyzing trace with hash 71523927, now seen corresponding path program 3 times [2022-02-19 08:55:32,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 08:55:32,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510374] [2022-02-19 08:55:32,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 08:55:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 08:55:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 08:55:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 08:55:33,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 08:55:33,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510374] [2022-02-19 08:55:33,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510374] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 08:55:33,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 08:55:33,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-19 08:55:33,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928082706] [2022-02-19 08:55:33,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 08:55:33,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 08:55:33,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 08:55:33,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 08:55:33,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-19 08:55:33,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:33,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 08:55:33,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 08:55:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 08:55:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 08:55:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 08:55:33,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.