/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 17:29:19,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 17:29:19,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 17:29:19,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 17:29:19,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 17:29:19,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 17:29:19,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 17:29:19,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 17:29:19,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 17:29:19,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 17:29:19,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 17:29:19,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 17:29:19,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 17:29:19,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 17:29:19,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 17:29:19,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 17:29:19,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 17:29:19,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 17:29:19,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 17:29:19,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 17:29:19,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 17:29:19,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 17:29:19,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 17:29:19,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 17:29:19,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 17:29:19,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 17:29:19,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 17:29:19,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 17:29:19,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 17:29:19,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 17:29:19,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 17:29:19,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 17:29:19,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 17:29:19,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 17:29:19,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 17:29:19,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 17:29:19,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-15 17:29:19,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 17:29:19,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 17:29:19,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 17:29:19,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 17:29:19,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 17:29:19,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 17:29:19,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 17:29:19,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 17:29:19,172 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 17:29:19,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 17:29:19,173 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 17:29:19,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 17:29:19,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 17:29:19,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 17:29:19,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 17:29:19,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 17:29:19,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 17:29:19,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 17:29:19,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 17:29:19,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 17:29:19,175 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 17:29:19,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 17:29:19,176 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 17:29:19,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 17:29:19,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 17:29:19,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 17:29:19,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 17:29:19,453 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 17:29:19,454 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 17:29:19,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2022-02-15 17:29:19,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7674ef7be/2d4fd77795074971972da2e0b4f03dd1/FLAGf26c0e825 [2022-02-15 17:29:19,897 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 17:29:19,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2022-02-15 17:29:19,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7674ef7be/2d4fd77795074971972da2e0b4f03dd1/FLAGf26c0e825 [2022-02-15 17:29:19,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7674ef7be/2d4fd77795074971972da2e0b4f03dd1 [2022-02-15 17:29:19,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 17:29:19,916 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 17:29:19,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 17:29:19,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 17:29:19,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 17:29:19,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 05:29:19" (1/1) ... [2022-02-15 17:29:19,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ed29b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:19, skipping insertion in model container [2022-02-15 17:29:19,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 05:29:19" (1/1) ... [2022-02-15 17:29:19,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 17:29:19,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 17:29:20,180 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-fun.wvr.c[2681,2694] [2022-02-15 17:29:20,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 17:29:20,202 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 17:29:20,244 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-fun.wvr.c[2681,2694] [2022-02-15 17:29:20,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 17:29:20,258 INFO L208 MainTranslator]: Completed translation [2022-02-15 17:29:20,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20 WrapperNode [2022-02-15 17:29:20,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 17:29:20,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 17:29:20,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 17:29:20,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 17:29:20,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,318 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 193 [2022-02-15 17:29:20,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 17:29:20,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 17:29:20,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 17:29:20,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 17:29:20,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 17:29:20,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 17:29:20,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 17:29:20,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 17:29:20,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (1/1) ... [2022-02-15 17:29:20,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 17:29:20,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:20,413 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) [2022-02-15 17:29:20,421 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 [2022-02-15 17:29:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 17:29:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-15 17:29:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-15 17:29:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 17:29:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 17:29:20,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 17:29:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 17:29:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 17:29:20,463 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 17:29:20,595 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 17:29:20,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 17:29:20,932 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 17:29:21,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 17:29:21,039 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-15 17:29:21,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 05:29:21 BoogieIcfgContainer [2022-02-15 17:29:21,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 17:29:21,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 17:29:21,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 17:29:21,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 17:29:21,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 05:29:19" (1/3) ... [2022-02-15 17:29:21,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151ecfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 05:29:21, skipping insertion in model container [2022-02-15 17:29:21,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 05:29:20" (2/3) ... [2022-02-15 17:29:21,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151ecfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 05:29:21, skipping insertion in model container [2022-02-15 17:29:21,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 05:29:21" (3/3) ... [2022-02-15 17:29:21,053 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2022-02-15 17:29:21,057 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 17:29:21,057 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 17:29:21,057 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 17:29:21,058 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 17:29:21,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,131 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,136 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:21,139 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-15 17:29:21,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 17:29:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:21,181 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) [2022-02-15 17:29:21,182 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 [2022-02-15 17:29:21,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 17:29:21,211 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 17:29:21,211 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-15 17:29:21,270 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:21,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1604587002, now seen corresponding path program 1 times [2022-02-15 17:29:21,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:21,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549315038] [2022-02-15 17:29:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:21,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:29:21,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:21,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549315038] [2022-02-15 17:29:21,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549315038] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 17:29:21,502 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 17:29:21,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 17:29:21,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773444453] [2022-02-15 17:29:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 17:29:21,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 17:29:21,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:21,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 17:29:21,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 17:29:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:21,537 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:21,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 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) [2022-02-15 17:29:21,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:21,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:21,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 17:29:21,595 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:21,598 INFO L85 PathProgramCache]: Analyzing trace with hash -505727498, now seen corresponding path program 1 times [2022-02-15 17:29:21,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:21,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645297066] [2022-02-15 17:29:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:21,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:29:21,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:21,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645297066] [2022-02-15 17:29:21,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645297066] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 17:29:21,895 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 17:29:21,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 17:29:21,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640619923] [2022-02-15 17:29:21,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 17:29:21,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 17:29:21,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:21,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 17:29:21,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 17:29:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:21,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:21,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2022-02-15 17:29:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:21,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:22,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 17:29:22,045 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:22,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:22,046 INFO L85 PathProgramCache]: Analyzing trace with hash 462920232, now seen corresponding path program 1 times [2022-02-15 17:29:22,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:22,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533486004] [2022-02-15 17:29:22,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:22,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:29:22,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:22,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533486004] [2022-02-15 17:29:22,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533486004] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 17:29:22,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 17:29:22,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 17:29:22,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398733202] [2022-02-15 17:29:22,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 17:29:22,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 17:29:22,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:22,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 17:29:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-15 17:29:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:22,162 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:22,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2022-02-15 17:29:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:22,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:22,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 17:29:22,265 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash 225480998, now seen corresponding path program 1 times [2022-02-15 17:29:22,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:22,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407564793] [2022-02-15 17:29:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:22,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:29:22,430 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:22,430 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407564793] [2022-02-15 17:29:22,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407564793] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:22,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693492345] [2022-02-15 17:29:22,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:22,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:22,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:22,435 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) [2022-02-15 17:29:22,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 17:29:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:22,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-15 17:29:22,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:29:23,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 17:29:23,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693492345] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 17:29:23,162 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 17:29:23,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-02-15 17:29:23,163 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526599004] [2022-02-15 17:29:23,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 17:29:23,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 17:29:23,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:23,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 17:29:23,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-15 17:29:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:23,164 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:23,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 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) [2022-02-15 17:29:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:23,278 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,279 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,279 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,282 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,282 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,282 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,358 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:23,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:23,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:23,617 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 [2022-02-15 17:29:23,617 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:23,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:23,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1669449221, now seen corresponding path program 1 times [2022-02-15 17:29:23,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:23,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149443473] [2022-02-15 17:29:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:23,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:23,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 17:29:23,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:23,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149443473] [2022-02-15 17:29:23,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149443473] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:23,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949904169] [2022-02-15 17:29:23,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:23,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:23,720 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) [2022-02-15 17:29:23,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 17:29:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:23,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-15 17:29:23,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 17:29:24,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 17:29:24,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949904169] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:24,221 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:24,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-02-15 17:29:24,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669131229] [2022-02-15 17:29:24,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:24,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 17:29:24,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:24,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 17:29:24,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-15 17:29:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,224 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:24,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 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) [2022-02-15 17:29:24,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:24,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:24,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:24,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:24,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:24,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:24,515 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 [2022-02-15 17:29:24,516 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:24,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:24,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1790923075, now seen corresponding path program 1 times [2022-02-15 17:29:24,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:24,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743702950] [2022-02-15 17:29:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:24,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:24,587 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:24,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743702950] [2022-02-15 17:29:24,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743702950] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 17:29:24,588 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 17:29:24,588 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 17:29:24,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348882347] [2022-02-15 17:29:24,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 17:29:24,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 17:29:24,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:24,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 17:29:24,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 17:29:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:24,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2022-02-15 17:29:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,650 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,652 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,652 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,652 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,687 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,687 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,687 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 17:29:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:24,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 17:29:24,717 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:24,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:24,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1683816198, now seen corresponding path program 1 times [2022-02-15 17:29:24,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:24,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379081145] [2022-02-15 17:29:24,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:24,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 17:29:24,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:24,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379081145] [2022-02-15 17:29:24,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379081145] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:24,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946978005] [2022-02-15 17:29:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:24,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:24,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:24,955 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) [2022-02-15 17:29:24,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 17:29:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:25,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 17:29:25,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:25,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-15 17:29:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:25,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:25,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2022-02-15 17:29:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:25,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946978005] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:25,856 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:25,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 20 [2022-02-15 17:29:25,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390377573] [2022-02-15 17:29:25,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:25,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-15 17:29:25,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:25,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-15 17:29:25,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-02-15 17:29:25,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:25,858 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:25,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.35) internal successors, (187), 20 states have internal predecessors, (187), 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) [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:25,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:26,193 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,193 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,194 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,194 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,195 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,195 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,207 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,207 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,207 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,208 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,208 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,209 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,219 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,220 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,220 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,220 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,229 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,229 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,229 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,230 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,230 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,230 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 17:29:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:26,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:26,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:26,488 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:26,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -168949724, now seen corresponding path program 2 times [2022-02-15 17:29:26,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:26,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703049463] [2022-02-15 17:29:26,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:26,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:26,597 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:26,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703049463] [2022-02-15 17:29:26,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703049463] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:26,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501354660] [2022-02-15 17:29:26,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 17:29:26,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:26,603 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) [2022-02-15 17:29:26,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 17:29:26,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 17:29:26,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:26,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-15 17:29:26,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:26,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:27,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501354660] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:27,227 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:27,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-15 17:29:27,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650328067] [2022-02-15 17:29:27,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:27,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-15 17:29:27,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:27,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-15 17:29:27,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-02-15 17:29:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:27,229 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:27,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 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) [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:27,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-15 17:29:27,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:27,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:27,751 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:27,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:27,752 INFO L85 PathProgramCache]: Analyzing trace with hash -841678544, now seen corresponding path program 3 times [2022-02-15 17:29:27,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:27,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228341627] [2022-02-15 17:29:27,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:27,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:29:27,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:27,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228341627] [2022-02-15 17:29:27,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228341627] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:27,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130058474] [2022-02-15 17:29:27,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 17:29:27,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:27,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:27,936 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) [2022-02-15 17:29:27,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 17:29:28,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-15 17:29:28,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:28,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 17:29:28,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:28,352 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2022-02-15 17:29:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-15 17:29:28,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:28,624 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-15 17:29:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-15 17:29:28,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130058474] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:28,993 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:28,993 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 27 [2022-02-15 17:29:28,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668364433] [2022-02-15 17:29:28,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:28,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-15 17:29:28,994 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:28,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-15 17:29:28,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2022-02-15 17:29:28,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:28,996 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:28,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.777777777777779) internal successors, (264), 27 states have internal predecessors, (264), 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) [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-15 17:29:28,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:29,595 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,595 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,595 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,596 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,596 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,596 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,778 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,778 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,778 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,779 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,779 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,780 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,788 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,789 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,789 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,790 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,790 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,790 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,856 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,856 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:29,858 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,267 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,269 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,269 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,269 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,500 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,501 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,501 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,502 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,870 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,870 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,870 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,883 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,883 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,883 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:30,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,025 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,025 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,026 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,032 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,037 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,038 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,038 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,043 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,043 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,043 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,048 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,049 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,049 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,073 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,080 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,080 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,081 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,096 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,096 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,096 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,295 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,295 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,295 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,296 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:31,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-15 17:29:31,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:31,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:31,568 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:31,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:31,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1956676807, now seen corresponding path program 4 times [2022-02-15 17:29:31,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:31,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618147806] [2022-02-15 17:29:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:31,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:31,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:31,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618147806] [2022-02-15 17:29:31,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618147806] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:31,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300519190] [2022-02-15 17:29:31,753 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 17:29:31,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:31,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:31,756 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) [2022-02-15 17:29:31,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 17:29:31,873 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 17:29:31,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:31,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-15 17:29:31,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:32,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:32,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300519190] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:32,633 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:32,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2022-02-15 17:29:32,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717766034] [2022-02-15 17:29:32,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:32,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-15 17:29:32,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:32,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-15 17:29:32,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=849, Unknown=0, NotChecked=0, Total=992 [2022-02-15 17:29:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:32,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:32,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.75) internal successors, (216), 32 states have internal predecessors, (216), 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) [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-15 17:29:32,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-15 17:29:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-15 17:29:33,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:33,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:33,648 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:33,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:33,649 INFO L85 PathProgramCache]: Analyzing trace with hash 479670737, now seen corresponding path program 5 times [2022-02-15 17:29:33,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:33,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869708818] [2022-02-15 17:29:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:33,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 9 proven. 98 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:29:33,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:33,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869708818] [2022-02-15 17:29:33,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869708818] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:33,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57641132] [2022-02-15 17:29:33,883 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 17:29:33,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:33,884 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) [2022-02-15 17:29:33,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 17:29:34,027 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-15 17:29:34,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:34,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-15 17:29:34,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 40 proven. 75 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:34,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-15 17:29:35,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57641132] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:35,039 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:35,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 16] total 45 [2022-02-15 17:29:35,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683363911] [2022-02-15 17:29:35,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:35,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-15 17:29:35,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:35,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-15 17:29:35,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1746, Unknown=0, NotChecked=0, Total=1980 [2022-02-15 17:29:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:35,042 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:35,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.622222222222222) internal successors, (253), 45 states have internal predecessors, (253), 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) [2022-02-15 17:29:35,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:35,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:35,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-15 17:29:35,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:39,981 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:39,982 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:39,982 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:39,982 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:39,983 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:39,983 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,577 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,577 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,577 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,702 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,703 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,703 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,711 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,712 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:40,712 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,276 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,277 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,278 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,286 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,286 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,286 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,287 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,287 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:41,287 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,103 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,104 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,104 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,124 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,124 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,124 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,145 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,145 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,145 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:42,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:42,593 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,SelfDestructingSolverStorable10 [2022-02-15 17:29:42,593 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:42,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:42,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1105114349, now seen corresponding path program 6 times [2022-02-15 17:29:42,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:42,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561850441] [2022-02-15 17:29:42,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:42,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:42,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:42,685 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561850441] [2022-02-15 17:29:42,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561850441] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:42,685 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738755926] [2022-02-15 17:29:42,685 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 17:29:42,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:42,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:42,686 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) [2022-02-15 17:29:42,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-15 17:29:42,793 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-02-15 17:29:42,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:42,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-15 17:29:42,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:43,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:43,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738755926] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:43,204 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:43,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-15 17:29:43,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336104004] [2022-02-15 17:29:43,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:43,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-15 17:29:43,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-15 17:29:43,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-02-15 17:29:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:43,205 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:43,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.125) internal successors, (162), 16 states have internal predecessors, (162), 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) [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:43,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:43,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:43,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 17:29:43,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:43,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:43,667 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:43,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:43,667 INFO L85 PathProgramCache]: Analyzing trace with hash -266948849, now seen corresponding path program 7 times [2022-02-15 17:29:43,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:43,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188593049] [2022-02-15 17:29:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:43,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 17:29:44,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:44,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188593049] [2022-02-15 17:29:44,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188593049] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:44,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977848646] [2022-02-15 17:29:44,080 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 17:29:44,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:44,081 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) [2022-02-15 17:29:44,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-15 17:29:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:44,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-15 17:29:44,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:44,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 17:29:44,693 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:29:44,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 13 [2022-02-15 17:29:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-15 17:29:44,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:44,852 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:29:44,853 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-02-15 17:29:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-15 17:29:45,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977848646] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:45,220 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:45,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 12] total 29 [2022-02-15 17:29:45,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959127067] [2022-02-15 17:29:45,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:45,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-15 17:29:45,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:45,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-15 17:29:45,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2022-02-15 17:29:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:45,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:45,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.0) internal successors, (232), 29 states have internal predecessors, (232), 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) [2022-02-15 17:29:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:45,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 17:29:45,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:46,083 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,084 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,084 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,085 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,085 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,085 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,094 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,094 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,094 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,095 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,095 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,095 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,225 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,226 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,226 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,226 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,234 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,246 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,247 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,247 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,247 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 17:29:46,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:46,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-15 17:29:46,806 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:46,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:46,807 INFO L85 PathProgramCache]: Analyzing trace with hash 622665187, now seen corresponding path program 8 times [2022-02-15 17:29:46,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:46,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958771773] [2022-02-15 17:29:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:46,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:46,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:46,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958771773] [2022-02-15 17:29:46,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958771773] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:46,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223560896] [2022-02-15 17:29:46,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 17:29:46,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:46,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:46,901 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:29:46,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-15 17:29:47,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 17:29:47,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:47,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-15 17:29:47,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:47,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:47,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223560896] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:47,525 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:47,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2022-02-15 17:29:47,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251425331] [2022-02-15 17:29:47,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:47,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-15 17:29:47,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:47,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-15 17:29:47,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2022-02-15 17:29:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:47,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:47,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 21 states have internal predecessors, (173), 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) [2022-02-15 17:29:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:47,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-15 17:29:47,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:47,861 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,862 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,872 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,872 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,873 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,873 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,873 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,874 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,889 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,890 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,890 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,890 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,891 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,891 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-15 17:29:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-15 17:29:47,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 17:29:47,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:48,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-15 17:29:48,131 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:48,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash -907719401, now seen corresponding path program 9 times [2022-02-15 17:29:48,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:48,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431095019] [2022-02-15 17:29:48,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:48,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:48,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:48,298 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431095019] [2022-02-15 17:29:48,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431095019] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:48,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574523788] [2022-02-15 17:29:48,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 17:29:48,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:48,304 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:29:48,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-15 17:29:48,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-15 17:29:48,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:48,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-15 17:29:48,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-15 17:29:48,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-15 17:29:49,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574523788] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:49,085 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:49,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 10] total 25 [2022-02-15 17:29:49,085 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565399018] [2022-02-15 17:29:49,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:49,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-15 17:29:49,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:49,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-15 17:29:49,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2022-02-15 17:29:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:49,087 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:49,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 7.4) internal successors, (185), 25 states have internal predecessors, (185), 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) [2022-02-15 17:29:49,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:49,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:49,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 17:29:49,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:49,596 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,596 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,597 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,597 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,597 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,597 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,917 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,917 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,917 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,918 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,919 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:49,919 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,142 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,143 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,143 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,151 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:29:50,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-15 17:29:50,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-15 17:29:50,415 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:29:50,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:29:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1308320549, now seen corresponding path program 10 times [2022-02-15 17:29:50,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:29:50,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409836742] [2022-02-15 17:29:50,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:29:50,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:29:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:29:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 17:29:50,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:29:50,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409836742] [2022-02-15 17:29:50,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409836742] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:29:50,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38661827] [2022-02-15 17:29:50,879 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 17:29:50,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:29:50,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:29:50,880 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:29:50,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-15 17:29:50,989 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 17:29:50,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:29:50,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-15 17:29:50,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:29:51,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-15 17:29:51,963 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-15 17:29:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 17:29:52,088 INFO L353 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-02-15 17:29:52,089 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 36 [2022-02-15 17:29:52,120 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2022-02-15 17:29:52,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-02-15 17:29:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 17:29:52,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:29:53,269 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:29:53,270 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 157 treesize of output 97 [2022-02-15 17:29:53,295 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:29:53,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 368 treesize of output 326 [2022-02-15 17:29:53,325 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:29:53,326 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 305 treesize of output 278 [2022-02-15 17:29:53,344 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:29:53,345 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 109 [2022-02-15 17:29:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-15 17:29:54,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38661827] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:29:54,306 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:29:54,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 21] total 52 [2022-02-15 17:29:54,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559558229] [2022-02-15 17:29:54,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:29:54,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-02-15 17:29:54,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:29:54,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-02-15 17:29:54,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=2374, Unknown=23, NotChecked=0, Total=2652 [2022-02-15 17:29:54,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:54,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:29:54,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 6.673076923076923) internal successors, (347), 52 states have internal predecessors, (347), 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) [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:29:54,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:29:54,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:29:55,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,455 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,660 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,687 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,688 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,688 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,693 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,694 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,694 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,698 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,698 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:29:55,698 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 17:30:12,762 WARN L228 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 17:30:35,874 WARN L228 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-15 17:30:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:30:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:30:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:30:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:30:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:30:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:30:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:30:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:30:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:30:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:30:37,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-15 17:30:37,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-15 17:30:37,780 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:30:37,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:30:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash -156868938, now seen corresponding path program 11 times [2022-02-15 17:30:37,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:30:37,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564441018] [2022-02-15 17:30:37,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:30:37,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:30:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:30:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:30:45,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:30:45,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564441018] [2022-02-15 17:30:45,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564441018] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:30:45,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543535443] [2022-02-15 17:30:45,203 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 17:30:45,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:30:45,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:30:45,204 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:30:45,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-15 17:30:45,321 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-15 17:30:45,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:30:45,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 51 conjunts are in the unsatisfiable core [2022-02-15 17:30:45,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:30:53,107 INFO L353 Elim1Store]: treesize reduction 79, result has 27.5 percent of original size [2022-02-15 17:30:53,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 54 [2022-02-15 17:30:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-15 17:30:53,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:30:54,886 INFO L353 Elim1Store]: treesize reduction 53, result has 53.9 percent of original size [2022-02-15 17:30:54,886 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 92 treesize of output 105 [2022-02-15 17:30:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:30:56,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543535443] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:30:56,245 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:30:56,245 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 21, 9] total 53 [2022-02-15 17:30:56,245 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826492001] [2022-02-15 17:30:56,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:30:56,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-15 17:30:56,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:30:56,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-15 17:30:56,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=2481, Unknown=0, NotChecked=0, Total=2756 [2022-02-15 17:30:56,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:30:56,247 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:30:56,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.132075471698113) internal successors, (378), 53 states have internal predecessors, (378), 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) [2022-02-15 17:30:56,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:30:56,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:31:12,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 17:31:12,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-15 17:31:13,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:31:13,086 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:31:13,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:31:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash -685250200, now seen corresponding path program 12 times [2022-02-15 17:31:13,087 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:31:13,087 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606404752] [2022-02-15 17:31:13,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:31:13,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:31:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:31:13,998 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:31:13,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:31:13,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606404752] [2022-02-15 17:31:13,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606404752] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:31:13,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322502112] [2022-02-15 17:31:13,999 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 17:31:13,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:31:13,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:31:14,001 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:31:14,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-15 17:31:14,243 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-15 17:31:14,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:31:14,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-15 17:31:14,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:31:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:31:15,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:31:16,389 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:31:16,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322502112] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:31:16,389 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:31:16,390 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-02-15 17:31:16,390 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112098633] [2022-02-15 17:31:16,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:31:16,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-15 17:31:16,390 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:31:16,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-15 17:31:16,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-02-15 17:31:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:16,391 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:31:16,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.045454545454545) internal successors, (177), 22 states have internal predecessors, (177), 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) [2022-02-15 17:31:16,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:31:16,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 17:31:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:31:19,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 17:31:19,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:19,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-15 17:31:19,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-15 17:31:19,323 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:31:19,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:31:19,323 INFO L85 PathProgramCache]: Analyzing trace with hash -642860314, now seen corresponding path program 13 times [2022-02-15 17:31:19,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:31:19,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111214931] [2022-02-15 17:31:19,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:31:19,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:31:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:31:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:31:20,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:31:20,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111214931] [2022-02-15 17:31:20,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111214931] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:31:20,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033741043] [2022-02-15 17:31:20,198 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 17:31:20,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:31:20,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:31:20,199 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:31:20,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-15 17:31:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:31:20,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-15 17:31:20,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:31:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:31:21,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:31:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-15 17:31:22,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033741043] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 17:31:22,577 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 17:31:22,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2022-02-15 17:31:22,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022659880] [2022-02-15 17:31:22,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 17:31:22,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-15 17:31:22,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 17:31:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-15 17:31:22,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2022-02-15 17:31:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:22,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 17:31:22,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.045454545454545) internal successors, (177), 22 states have internal predecessors, (177), 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) [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:31:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 17:31:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 17:31:25,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-15 17:31:25,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-15 17:31:25,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:31:25,694 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-15 17:31:25,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 17:31:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash -387863752, now seen corresponding path program 14 times [2022-02-15 17:31:25,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 17:31:25,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135396349] [2022-02-15 17:31:25,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 17:31:25,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 17:31:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 17:31:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 17:31:43,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 17:31:43,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135396349] [2022-02-15 17:31:43,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135396349] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 17:31:43,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299262777] [2022-02-15 17:31:43,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 17:31:43,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:31:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 17:31:43,350 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 17:31:43,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-15 17:31:43,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 17:31:43,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 17:31:43,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 125 conjunts are in the unsatisfiable core [2022-02-15 17:31:43,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 17:31:45,922 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-15 17:31:49,372 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-15 17:31:56,213 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-15 17:31:56,213 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-15 17:31:58,513 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-15 17:32:00,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-15 17:32:06,070 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-15 17:32:07,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-15 17:32:15,004 INFO L353 Elim1Store]: treesize reduction 50, result has 31.5 percent of original size [2022-02-15 17:32:15,005 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 249 treesize of output 95 [2022-02-15 17:32:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-15 17:32:15,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 17:32:33,824 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:32:33,824 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1421 treesize of output 992 [2022-02-15 17:33:05,259 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:33:05,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1255 treesize of output 763 [2022-02-15 17:33:05,598 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 17:33:05,600 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 39663 treesize of output 36879 [2022-02-15 17:37:06,722 WARN L228 SmtUtils]: Spent 4.01m on a formula simplification. DAG size of input: 1088 DAG size of output: 1072 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-15 17:37:06,725 INFO L353 Elim1Store]: treesize reduction 224, result has 95.0 percent of original size [2022-02-15 17:37:06,726 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 36 new quantified variables, introduced 253 case distinctions, treesize of input 36831 treesize of output 32487 [2022-02-15 17:37:09,933 INFO L244 Elim1Store]: Index analysis took 748 ms [2022-02-15 17:40:59,558 WARN L228 SmtUtils]: Spent 3.83m on a formula simplification. DAG size of input: 1088 DAG size of output: 1072 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-15 17:40:59,562 INFO L353 Elim1Store]: treesize reduction 305, result has 92.9 percent of original size [2022-02-15 17:40:59,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 36 new quantified variables, introduced 253 case distinctions, treesize of input 32961 treesize of output 29433 [2022-02-15 17:41:05,863 INFO L244 Elim1Store]: Index analysis took 1167 ms Received shutdown request... [2022-02-15 17:43:29,372 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 17:43:29,372 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 17:43:29,372 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 17:43:29,590 WARN L244 SmtUtils]: Removed 221 from assertion stack [2022-02-15 17:43:29,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-15 17:43:29,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-15 17:43:29,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 17:43:29,796 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 143704ms.. [2022-02-15 17:43:29,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-15 17:43:29,798 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-15 17:43:29,802 INFO L732 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1] [2022-02-15 17:43:29,804 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 17:43:29,804 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 17:43:29,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 05:43:29 BasicIcfg [2022-02-15 17:43:29,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 17:43:29,806 INFO L158 Benchmark]: Toolchain (without parser) took 849890.58ms. Allocated memory was 191.9MB in the beginning and 551.6MB in the end (delta: 359.7MB). Free memory was 140.2MB in the beginning and 449.9MB in the end (delta: -309.7MB). Peak memory consumption was 377.9MB. Max. memory is 8.0GB. [2022-02-15 17:43:29,807 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 17:43:29,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.69ms. Allocated memory was 191.9MB in the beginning and 241.2MB in the end (delta: 49.3MB). Free memory was 140.0MB in the beginning and 216.4MB in the end (delta: -76.4MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-02-15 17:43:29,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.13ms. Allocated memory is still 241.2MB. Free memory was 216.4MB in the beginning and 214.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 17:43:29,807 INFO L158 Benchmark]: Boogie Preprocessor took 40.44ms. Allocated memory is still 241.2MB. Free memory was 214.4MB in the beginning and 212.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 17:43:29,807 INFO L158 Benchmark]: RCFGBuilder took 681.67ms. Allocated memory is still 241.2MB. Free memory was 212.3MB in the beginning and 183.4MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-15 17:43:29,808 INFO L158 Benchmark]: TraceAbstraction took 848762.93ms. Allocated memory was 241.2MB in the beginning and 551.6MB in the end (delta: 310.4MB). Free memory was 182.9MB in the beginning and 449.9MB in the end (delta: -267.0MB). Peak memory consumption was 372.2MB. Max. memory is 8.0GB. [2022-02-15 17:43:29,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 339.69ms. Allocated memory was 191.9MB in the beginning and 241.2MB in the end (delta: 49.3MB). Free memory was 140.0MB in the beginning and 216.4MB in the end (delta: -76.4MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.13ms. Allocated memory is still 241.2MB. Free memory was 216.4MB in the beginning and 214.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.44ms. Allocated memory is still 241.2MB. Free memory was 214.4MB in the beginning and 212.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 681.67ms. Allocated memory is still 241.2MB. Free memory was 212.3MB in the beginning and 183.4MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 848762.93ms. Allocated memory was 241.2MB in the beginning and 551.6MB in the end (delta: 310.4MB). Free memory was 182.9MB in the beginning and 449.9MB in the end (delta: -267.0MB). Peak memory consumption was 372.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47162, positive: 38612, positive conditional: 38612, positive unconditional: 0, negative: 8550, negative conditional: 8550, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38718, positive: 38612, positive conditional: 38612, positive unconditional: 0, negative: 106, negative conditional: 106, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 38718, positive: 38612, positive conditional: 38612, positive unconditional: 0, negative: 106, negative conditional: 106, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39885, positive: 38612, positive conditional: 38538, positive unconditional: 74, negative: 1273, negative conditional: 1167, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39885, positive: 38612, positive conditional: 20491, positive unconditional: 18121, negative: 1273, negative conditional: 527, negative unconditional: 746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39885, positive: 38612, positive conditional: 20491, positive unconditional: 18121, negative: 1273, negative conditional: 527, negative unconditional: 746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1190, positive: 1150, positive conditional: 907, positive unconditional: 243, negative: 40, negative conditional: 38, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1190, positive: 1138, positive conditional: 0, positive unconditional: 1138, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 40, negative conditional: 38, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 541, positive: 173, positive conditional: 173, positive unconditional: 0, negative: 368, negative conditional: 352, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39885, positive: 37462, positive conditional: 19584, positive unconditional: 17878, negative: 1233, negative conditional: 489, negative unconditional: 744, unknown: 1190, unknown conditional: 945, unknown unconditional: 245] , Statistics on independence cache: Total cache size (in pairs): 1190, Positive cache size: 1150, Positive conditional cache size: 907, Positive unconditional cache size: 243, Negative cache size: 40, Negative conditional cache size: 38, Negative unconditional cache size: 2, Eliminated conditions: 18687, Maximal queried relation: 15, Independence queries for same thread: 8444 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 143704ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 143704ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 175 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1085 for 143704ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 173 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 848.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 80.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 746, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 37.5s InterpolantComputationTime, 5121 NumberOfCodeBlocks, 5079 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 7267 ConstructedInterpolants, 47 QuantifiedInterpolants, 26186 SizeOfPredicates, 210 NumberOfNonLiveVariables, 5384 ConjunctsInSsa, 263 ConjunctsInUnsatCore, 48 InterpolantComputations, 5 PerfectInterpolantSequences, 671/1338 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown