/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/parallel-misc-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 06:31:45,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 06:31:45,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 06:31:45,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 06:31:45,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 06:31:45,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 06:31:45,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 06:31:46,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 06:31:46,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 06:31:46,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 06:31:46,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 06:31:46,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 06:31:46,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 06:31:46,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 06:31:46,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 06:31:46,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 06:31:46,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 06:31:46,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 06:31:46,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 06:31:46,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 06:31:46,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 06:31:46,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 06:31:46,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 06:31:46,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 06:31:46,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 06:31:46,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 06:31:46,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 06:31:46,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 06:31:46,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 06:31:46,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 06:31:46,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 06:31:46,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 06:31:46,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 06:31:46,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 06:31:46,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 06:31:46,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 06:31:46,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 06:31:46,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 06:31:46,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 06:31:46,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 06:31:46,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 06:31:46,033 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 [2022-02-09 06:31:46,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 06:31:46,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 06:31:46,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 06:31:46,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 06:31:46,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 06:31:46,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 06:31:46,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 06:31:46,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 06:31:46,062 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 06:31:46,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 06:31:46,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 06:31:46,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:31:46,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 06:31:46,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 06:31:46,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 06:31:46,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 06:31:46,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 06:31:46,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 06:31:46,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 06:31:46,065 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 06:31:46,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 06:31:46,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 06:31:46,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 06:31:46,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 06:31:46,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 06:31:46,288 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 06:31:46,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-02-09 06:31:46,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f74b49996/8b417599ac6d4fce85fde7508f43b4fe/FLAGe655133c6 [2022-02-09 06:31:46,698 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 06:31:46,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2022-02-09 06:31:46,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f74b49996/8b417599ac6d4fce85fde7508f43b4fe/FLAGe655133c6 [2022-02-09 06:31:46,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f74b49996/8b417599ac6d4fce85fde7508f43b4fe [2022-02-09 06:31:46,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 06:31:46,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 06:31:46,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 06:31:46,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 06:31:46,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 06:31:46,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a05851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46, skipping insertion in model container [2022-02-09 06:31:46,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 06:31:46,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 06:31:46,880 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/parallel-misc-5.wvr.c[3027,3040] [2022-02-09 06:31:46,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:31:46,892 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 06:31:46,924 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/parallel-misc-5.wvr.c[3027,3040] [2022-02-09 06:31:46,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:31:46,934 INFO L208 MainTranslator]: Completed translation [2022-02-09 06:31:46,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46 WrapperNode [2022-02-09 06:31:46,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 06:31:46,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 06:31:46,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 06:31:46,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 06:31:46,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,978 INFO L137 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2022-02-09 06:31:46,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 06:31:46,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 06:31:46,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 06:31:46,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 06:31:46,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:46,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:47,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:47,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:47,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:47,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 06:31:47,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 06:31:47,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 06:31:47,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 06:31:47,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (1/1) ... [2022-02-09 06:31:47,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:31:47,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:47,040 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) [2022-02-09 06:31:47,058 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 [2022-02-09 06:31:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 06:31:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 06:31:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 06:31:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 06:31:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 06:31:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 06:31:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 06:31:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 06:31:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 06:31:47,072 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 06:31:47,164 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 06:31:47,165 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 06:31:47,357 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 06:31:47,392 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 06:31:47,392 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-09 06:31:47,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:31:47 BoogieIcfgContainer [2022-02-09 06:31:47,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 06:31:47,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 06:31:47,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 06:31:47,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 06:31:47,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:31:46" (1/3) ... [2022-02-09 06:31:47,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7f6177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:31:47, skipping insertion in model container [2022-02-09 06:31:47,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:31:46" (2/3) ... [2022-02-09 06:31:47,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7f6177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:31:47, skipping insertion in model container [2022-02-09 06:31:47,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:31:47" (3/3) ... [2022-02-09 06:31:47,400 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2022-02-09 06:31:47,403 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 06:31:47,403 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 06:31:47,403 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 06:31:47,404 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 06:31:47,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,453 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,453 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,453 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,453 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,453 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,458 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,459 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,459 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,464 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,465 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:31:47,468 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 06:31:47,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 06:31:47,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:47,500 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) [2022-02-09 06:31:47,522 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 [2022-02-09 06:31:47,548 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 06:31:47,553 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 [2022-02-09 06:31:47,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 06:31:47,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:47,634 INFO L85 PathProgramCache]: Analyzing trace with hash 235255949, now seen corresponding path program 1 times [2022-02-09 06:31:47,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:47,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064876159] [2022-02-09 06:31:47,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:47,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:47,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:47,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064876159] [2022-02-09 06:31:47,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064876159] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:31:47,770 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:31:47,770 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 06:31:47,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727877299] [2022-02-09 06:31:47,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:31:47,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 06:31:47,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:47,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 06:31:47,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 06:31:47,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:47,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:47,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-02-09 06:31:47,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:47,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:47,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 06:31:47,814 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:47,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:47,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1504195809, now seen corresponding path program 1 times [2022-02-09 06:31:47,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:47,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109784003] [2022-02-09 06:31:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:47,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:48,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:48,032 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109784003] [2022-02-09 06:31:48,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109784003] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:31:48,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:31:48,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:31:48,033 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400537311] [2022-02-09 06:31:48,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:31:48,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:31:48,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:48,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:31:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:31:48,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:48,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:31:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:48,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 06:31:48,185 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:48,186 INFO L85 PathProgramCache]: Analyzing trace with hash -30409401, now seen corresponding path program 1 times [2022-02-09 06:31:48,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:48,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254236137] [2022-02-09 06:31:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:48,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:48,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:48,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254236137] [2022-02-09 06:31:48,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254236137] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:31:48,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:31:48,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 06:31:48,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101875122] [2022-02-09 06:31:48,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:31:48,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 06:31:48,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:48,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 06:31:48,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 06:31:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,321 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:48,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-02-09 06:31:48,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:48,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:48,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 06:31:48,481 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:48,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:48,481 INFO L85 PathProgramCache]: Analyzing trace with hash 64176240, now seen corresponding path program 1 times [2022-02-09 06:31:48,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:48,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716409217] [2022-02-09 06:31:48,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:48,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:48,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:48,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716409217] [2022-02-09 06:31:48,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716409217] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:48,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085631205] [2022-02-09 06:31:48,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:48,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:48,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:48,619 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) [2022-02-09 06:31:48,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 06:31:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:48,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 06:31:48,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:31:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:49,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:31:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:49,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085631205] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:31:49,223 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:31:49,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-09 06:31:49,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445440235] [2022-02-09 06:31:49,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:31:49,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 06:31:49,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:49,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 06:31:49,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-02-09 06:31:49,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:49,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:49,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.052631578947368) internal successors, (153), 19 states have internal predecessors, (153), 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) [2022-02-09 06:31:49,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:49,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:49,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:49,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 06:31:49,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 06:31:49,875 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 [2022-02-09 06:31:49,876 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:49,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:49,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1692852880, now seen corresponding path program 1 times [2022-02-09 06:31:49,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:49,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134823823] [2022-02-09 06:31:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:49,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:31:50,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:50,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134823823] [2022-02-09 06:31:50,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134823823] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:50,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349657219] [2022-02-09 06:31:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:50,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:50,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:50,119 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) [2022-02-09 06:31:50,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 06:31:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:50,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 06:31:50,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:31:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-09 06:31:50,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:31:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-09 06:31:50,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349657219] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:50,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-09 06:31:50,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 7] total 21 [2022-02-09 06:31:50,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898557530] [2022-02-09 06:31:50,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:31:50,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 06:31:50,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:50,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 06:31:50,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2022-02-09 06:31:50,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:50,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:50,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 06:31:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-09 06:31:50,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 06:31:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:50,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 06:31:50,947 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 [2022-02-09 06:31:50,947 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:50,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:50,948 INFO L85 PathProgramCache]: Analyzing trace with hash 208810837, now seen corresponding path program 2 times [2022-02-09 06:31:50,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:50,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750337225] [2022-02-09 06:31:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:50,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-02-09 06:31:51,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:51,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750337225] [2022-02-09 06:31:51,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750337225] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:51,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270105707] [2022-02-09 06:31:51,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:31:51,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:51,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:51,065 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) [2022-02-09 06:31:51,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 06:31:51,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 06:31:51,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:31:51,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-09 06:31:51,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:31:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-09 06:31:51,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:31:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-09 06:31:51,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270105707] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:31:51,575 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:31:51,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 7] total 13 [2022-02-09 06:31:51,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458581607] [2022-02-09 06:31:51,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:31:51,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-09 06:31:51,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:51,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-09 06:31:51,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-02-09 06:31:51,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:51,577 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:51,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.076923076923077) internal successors, (183), 13 states have internal predecessors, (183), 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) [2022-02-09 06:31:51,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:51,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:51,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:51,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-09 06:31:51,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:51,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 06:31:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:51,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:51,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 06:31:51,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:51,854 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:51,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:51,854 INFO L85 PathProgramCache]: Analyzing trace with hash 815448117, now seen corresponding path program 3 times [2022-02-09 06:31:51,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:51,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689984210] [2022-02-09 06:31:51,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:51,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:31:52,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:52,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689984210] [2022-02-09 06:31:52,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689984210] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:52,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445177186] [2022-02-09 06:31:52,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 06:31:52,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:52,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:52,078 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) [2022-02-09 06:31:52,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 06:31:52,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-02-09 06:31:52,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:31:52,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-09 06:31:52,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:31:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 48 proven. 49 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:31:52,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:31:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 42 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-09 06:31:52,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445177186] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:31:52,860 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:31:52,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 24 [2022-02-09 06:31:52,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010332934] [2022-02-09 06:31:52,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:31:52,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-09 06:31:52,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:52,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-09 06:31:52,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-02-09 06:31:52,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:52,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:52,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.75) internal successors, (210), 24 states have internal predecessors, (210), 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) [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:52,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:31:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:53,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 06:31:53,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 06:31:53,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:53,856 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:53,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:53,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1287812085, now seen corresponding path program 4 times [2022-02-09 06:31:53,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:53,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850362593] [2022-02-09 06:31:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:53,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 116 proven. 144 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-09 06:31:54,034 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:54,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850362593] [2022-02-09 06:31:54,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850362593] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:54,034 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631037194] [2022-02-09 06:31:54,034 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 06:31:54,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:54,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:54,036 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) [2022-02-09 06:31:54,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 06:31:54,157 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 06:31:54,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:31:54,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-09 06:31:54,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:31:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 161 proven. 34 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-09 06:31:54,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:31:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 165 proven. 28 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-02-09 06:31:54,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631037194] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:31:54,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:31:54,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 10] total 29 [2022-02-09 06:31:54,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609972423] [2022-02-09 06:31:54,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:31:54,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 06:31:54,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 06:31:54,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-02-09 06:31:54,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:54,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:54,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.517241379310345) internal successors, (276), 29 states have internal predecessors, (276), 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) [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 06:31:54,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:31:55,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:31:55,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 06:31:56,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:56,057 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:56,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash -419483248, now seen corresponding path program 5 times [2022-02-09 06:31:56,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:56,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904132188] [2022-02-09 06:31:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:56,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 329 proven. 333 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-09 06:31:56,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:56,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904132188] [2022-02-09 06:31:56,309 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904132188] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:56,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724562225] [2022-02-09 06:31:56,309 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 06:31:56,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:56,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:56,310 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) [2022-02-09 06:31:56,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 06:31:56,430 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2022-02-09 06:31:56,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:31:56,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-09 06:31:56,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:31:56,894 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 365 proven. 133 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-02-09 06:31:56,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:31:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 369 proven. 127 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-02-09 06:31:57,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724562225] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:31:57,242 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:31:57,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 13] total 38 [2022-02-09 06:31:57,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489472779] [2022-02-09 06:31:57,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:31:57,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-09 06:31:57,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:31:57,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-09 06:31:57,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2022-02-09 06:31:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:57,244 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:31:57,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.921052631578947) internal successors, (339), 38 states have internal predecessors, (339), 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) [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:31:57,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:31:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:31:59,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:31:59,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:31:59,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 06:31:59,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:59,270 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:31:59,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:31:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1565546965, now seen corresponding path program 6 times [2022-02-09 06:31:59,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:31:59,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993760861] [2022-02-09 06:31:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:31:59,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:31:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:31:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 854 proven. 885 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-09 06:31:59,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:31:59,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993760861] [2022-02-09 06:31:59,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993760861] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:31:59,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581833256] [2022-02-09 06:31:59,770 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 06:31:59,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:31:59,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:31:59,771 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) [2022-02-09 06:31:59,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 06:32:00,128 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-02-09 06:32:00,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:32:00,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-09 06:32:00,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:32:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 798 proven. 941 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-09 06:32:00,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:32:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 853 proven. 886 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-09 06:32:01,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581833256] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:32:01,183 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:32:01,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 47 [2022-02-09 06:32:01,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856733730] [2022-02-09 06:32:01,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:32:01,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-02-09 06:32:01,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:32:01,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-02-09 06:32:01,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=1425, Unknown=0, NotChecked=0, Total=2162 [2022-02-09 06:32:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:01,185 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:32:01,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.042553191489361) internal successors, (425), 47 states have internal predecessors, (425), 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) [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:01,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2022-02-09 06:32:03,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-09 06:32:03,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 06:32:03,742 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:32:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:32:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash -457523371, now seen corresponding path program 7 times [2022-02-09 06:32:03,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:32:03,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003135551] [2022-02-09 06:32:03,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:32:03,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:32:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:32:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 1617 proven. 2120 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-09 06:32:04,597 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:32:04,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003135551] [2022-02-09 06:32:04,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003135551] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:32:04,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304603415] [2022-02-09 06:32:04,597 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 06:32:04,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:32:04,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:32:04,598 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) [2022-02-09 06:32:04,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 06:32:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:32:04,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-09 06:32:04,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:32:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 2075 proven. 328 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2022-02-09 06:32:05,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:32:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3763 backedges. 2103 proven. 298 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2022-02-09 06:32:06,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304603415] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:32:06,779 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:32:06,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 29, 28] total 83 [2022-02-09 06:32:06,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881543795] [2022-02-09 06:32:06,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:32:06,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-02-09 06:32:06,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:32:06,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-02-09 06:32:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1480, Invalid=5326, Unknown=0, NotChecked=0, Total=6806 [2022-02-09 06:32:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:06,782 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:32:06,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 7.9879518072289155) internal successors, (663), 83 states have internal predecessors, (663), 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) [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2022-02-09 06:32:06,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:32:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:32:12,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 06:32:12,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:32:12,283 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:32:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:32:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1407733804, now seen corresponding path program 8 times [2022-02-09 06:32:12,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:32:12,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908018533] [2022-02-09 06:32:12,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:32:12,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:32:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:32:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9110 backedges. 4947 proven. 4092 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-02-09 06:32:13,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:32:13,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908018533] [2022-02-09 06:32:13,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908018533] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:32:13,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180056935] [2022-02-09 06:32:13,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:32:13,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:32:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:32:13,865 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) [2022-02-09 06:32:13,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 06:32:14,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 06:32:14,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:32:14,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-09 06:32:14,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:32:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9110 backedges. 4214 proven. 2249 refuted. 0 times theorem prover too weak. 2647 trivial. 0 not checked. [2022-02-09 06:32:15,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:32:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 9110 backedges. 4228 proven. 2233 refuted. 0 times theorem prover too weak. 2649 trivial. 0 not checked. [2022-02-09 06:32:16,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180056935] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:32:16,679 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:32:16,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 37, 36] total 108 [2022-02-09 06:32:16,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826489027] [2022-02-09 06:32:16,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:32:16,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-02-09 06:32:16,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:32:16,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-02-09 06:32:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2734, Invalid=8822, Unknown=0, NotChecked=0, Total=11556 [2022-02-09 06:32:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:16,683 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:32:16,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 7.75) internal successors, (837), 108 states have internal predecessors, (837), 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) [2022-02-09 06:32:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:32:16,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:32:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:32:27,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 06:32:27,817 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,SelfDestructingSolverStorable11 [2022-02-09 06:32:27,818 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:32:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:32:27,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1800434736, now seen corresponding path program 9 times [2022-02-09 06:32:27,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:32:27,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958403874] [2022-02-09 06:32:27,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:32:27,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:32:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:32:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 24390 backedges. 12081 proven. 12214 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-02-09 06:32:31,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:32:31,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958403874] [2022-02-09 06:32:31,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958403874] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:32:31,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167301212] [2022-02-09 06:32:31,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 06:32:31,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:32:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:32:31,041 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) [2022-02-09 06:32:31,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 06:32:32,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 60 check-sat command(s) [2022-02-09 06:32:32,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:32:32,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 248 conjunts are in the unsatisfiable core [2022-02-09 06:32:32,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:32:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 24390 backedges. 8321 proven. 15974 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-02-09 06:32:42,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:32:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 24390 backedges. 8079 proven. 16216 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-02-09 06:32:50,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167301212] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:32:50,143 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:32:50,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 118, 120] total 329 [2022-02-09 06:32:50,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074132997] [2022-02-09 06:32:50,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:32:50,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 329 states [2022-02-09 06:32:50,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:32:50,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 329 interpolants. [2022-02-09 06:32:50,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35913, Invalid=71999, Unknown=0, NotChecked=0, Total=107912 [2022-02-09 06:32:50,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:50,165 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:32:50,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 329 states, 329 states have (on average 6.513677811550152) internal successors, (2143), 329 states have internal predecessors, (2143), 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) [2022-02-09 06:32:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:32:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:32:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:32:50,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:32:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:34:14,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:34:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 638 states. [2022-02-09 06:34:14,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 06:34:14,454 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,SelfDestructingSolverStorable12 [2022-02-09 06:34:14,454 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:34:14,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:34:14,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1194925650, now seen corresponding path program 10 times [2022-02-09 06:34:14,455 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:34:14,455 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711079487] [2022-02-09 06:34:14,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:34:14,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:34:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:34:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 51693 backedges. 23948 proven. 27644 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-02-09 06:34:20,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:34:20,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711079487] [2022-02-09 06:34:20,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711079487] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:34:20,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745909529] [2022-02-09 06:34:20,191 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 06:34:20,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:34:20,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:34:20,193 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) [2022-02-09 06:34:20,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 06:34:20,555 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 06:34:20,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:34:20,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2648 conjuncts, 131 conjunts are in the unsatisfiable core [2022-02-09 06:34:20,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:34:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 51693 backedges. 27814 proven. 4370 refuted. 0 times theorem prover too weak. 19509 trivial. 0 not checked. [2022-02-09 06:34:26,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:34:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 51693 backedges. 27924 proven. 4258 refuted. 0 times theorem prover too weak. 19511 trivial. 0 not checked. [2022-02-09 06:34:32,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745909529] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:34:32,453 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:34:32,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 94, 93] total 278 [2022-02-09 06:34:32,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459638118] [2022-02-09 06:34:32,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:34:32,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2022-02-09 06:34:32,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:34:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2022-02-09 06:34:32,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18793, Invalid=58213, Unknown=0, NotChecked=0, Total=77006 [2022-02-09 06:34:32,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:34:32,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:34:32,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 7.41726618705036) internal successors, (2062), 278 states have internal predecessors, (2062), 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) [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 638 states. [2022-02-09 06:34:32,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:35:36,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 638 states. [2022-02-09 06:35:36,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 671 states. [2022-02-09 06:35:36,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 06:35:37,099 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,SelfDestructingSolverStorable13 [2022-02-09 06:35:37,099 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:35:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:35:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1296866892, now seen corresponding path program 11 times [2022-02-09 06:35:37,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:35:37,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189690749] [2022-02-09 06:35:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:35:37,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:35:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:35:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 128810 backedges. 68604 proven. 59925 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-02-09 06:35:52,672 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:35:52,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189690749] [2022-02-09 06:35:52,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189690749] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:35:52,672 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641270406] [2022-02-09 06:35:52,672 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 06:35:52,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:35:52,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:35:52,674 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) [2022-02-09 06:35:52,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 06:36:00,148 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 123 check-sat command(s) [2022-02-09 06:36:00,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:36:00,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 3959 conjuncts, 222 conjunts are in the unsatisfiable core [2022-02-09 06:36:00,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:36:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 128810 backedges. 60377 proven. 31493 refuted. 0 times theorem prover too weak. 36940 trivial. 0 not checked. [2022-02-09 06:36:12,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:36:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 128810 backedges. 60441 proven. 31423 refuted. 0 times theorem prover too weak. 36946 trivial. 0 not checked. [2022-02-09 06:36:19,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641270406] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:36:19,089 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:36:19,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [218, 127, 126] total 377 [2022-02-09 06:36:19,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680872760] [2022-02-09 06:36:19,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:36:19,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 377 states [2022-02-09 06:36:19,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:36:19,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 377 interpolants. [2022-02-09 06:36:19,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35369, Invalid=106383, Unknown=0, NotChecked=0, Total=141752 [2022-02-09 06:36:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:36:19,102 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:36:19,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 377 states, 377 states have (on average 7.360742705570292) internal successors, (2775), 377 states have internal predecessors, (2775), 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) [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:36:19,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:36:19,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:36:19,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:36:19,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 638 states. [2022-02-09 06:36:19,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 671 states. [2022-02-09 06:36:19,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:40:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:40:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:40:35,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 638 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 671 states. [2022-02-09 06:40:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1093 states. [2022-02-09 06:40:35,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 06:40:35,918 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,SelfDestructingSolverStorable14 [2022-02-09 06:40:35,918 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 06:40:35,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:40:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1671442513, now seen corresponding path program 12 times [2022-02-09 06:40:35,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:40:35,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931154003] [2022-02-09 06:40:35,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:40:35,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:40:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 340146 backedges. 170589 proven. 169176 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-02-09 06:41:12,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:41:12,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931154003] [2022-02-09 06:41:12,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931154003] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:41:12,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342507827] [2022-02-09 06:41:12,880 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 06:41:12,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:41:12,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:41:12,882 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) [2022-02-09 06:41:12,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 06:43:29,097 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 212 check-sat command(s) [2022-02-09 06:43:29,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:43:29,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 6392 conjuncts, 344 conjunts are in the unsatisfiable core [2022-02-09 06:43:29,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:44:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 340146 backedges. 169793 proven. 59617 refuted. 0 times theorem prover too weak. 110736 trivial. 0 not checked. [2022-02-09 06:44:00,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:44:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 340146 backedges. 169969 proven. 59439 refuted. 0 times theorem prover too weak. 110738 trivial. 0 not checked. [2022-02-09 06:44:20,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342507827] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:44:20,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:44:20,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [340, 216, 215] total 644 [2022-02-09 06:44:20,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595198479] [2022-02-09 06:44:20,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:44:20,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 644 states [2022-02-09 06:44:20,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:44:20,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 644 interpolants. [2022-02-09 06:44:20,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102353, Invalid=311739, Unknown=0, NotChecked=0, Total=414092 [2022-02-09 06:44:20,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:20,693 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:44:20,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 644 states, 644 states have (on average 7.380434782608695) internal successors, (4753), 644 states have internal predecessors, (4753), 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) [2022-02-09 06:44:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 06:44:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:44:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 06:44:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 06:44:20,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 297 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 638 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 671 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1093 states. [2022-02-09 06:44:20,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-09 06:44:41,995 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 [2022-02-09 06:44:41,996 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 [2022-02-09 06:44:41,996 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:44:42,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-09 06:44:42,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:44:42,212 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 850 known predicates. [2022-02-09 06:44:42,214 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 06:44:42,214 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 06:44:42,214 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 06:44:42,214 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 06:44:42,221 INFO L732 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1] [2022-02-09 06:44:42,222 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 06:44:42,222 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 06:44:42,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:44:42 BasicIcfg [2022-02-09 06:44:42,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 06:44:42,224 INFO L158 Benchmark]: Toolchain (without parser) took 775508.44ms. Allocated memory was 190.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 134.6MB in the beginning and 419.2MB in the end (delta: -284.6MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-09 06:44:42,224 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 06:44:42,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.17ms. Allocated memory was 190.8MB in the beginning and 290.5MB in the end (delta: 99.6MB). Free memory was 134.4MB in the beginning and 259.5MB in the end (delta: -125.1MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-02-09 06:44:42,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 290.5MB. Free memory was 259.5MB in the beginning and 257.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 06:44:42,225 INFO L158 Benchmark]: Boogie Preprocessor took 28.92ms. Allocated memory is still 290.5MB. Free memory was 257.4MB in the beginning and 256.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 06:44:42,225 INFO L158 Benchmark]: RCFGBuilder took 385.33ms. Allocated memory is still 290.5MB. Free memory was 256.4MB in the beginning and 238.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-09 06:44:42,225 INFO L158 Benchmark]: TraceAbstraction took 774828.71ms. Allocated memory was 290.5MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 238.6MB in the beginning and 419.2MB in the end (delta: -180.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-09 06:44:42,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.17ms. Allocated memory was 190.8MB in the beginning and 290.5MB in the end (delta: 99.6MB). Free memory was 134.4MB in the beginning and 259.5MB in the end (delta: -125.1MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 290.5MB. Free memory was 259.5MB in the beginning and 257.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.92ms. Allocated memory is still 290.5MB. Free memory was 257.4MB in the beginning and 256.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 385.33ms. Allocated memory is still 290.5MB. Free memory was 256.4MB in the beginning and 238.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 774828.71ms. Allocated memory was 290.5MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 238.6MB in the beginning and 419.2MB in the end (delta: -180.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 136830, positive: 115524, positive conditional: 115524, positive unconditional: 0, negative: 21306, negative conditional: 21306, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121586, positive: 115524, positive conditional: 115524, positive unconditional: 0, negative: 6062, negative conditional: 6062, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 121586, positive: 115524, positive conditional: 115524, positive unconditional: 0, negative: 6062, negative conditional: 6062, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188137, positive: 115524, positive conditional: 115326, positive unconditional: 198, negative: 72613, negative conditional: 66551, negative unconditional: 6062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188137, positive: 115524, positive conditional: 89990, positive unconditional: 25534, negative: 72613, negative conditional: 55119, negative unconditional: 17494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188137, positive: 115524, positive conditional: 89990, positive unconditional: 25534, negative: 72613, negative conditional: 55119, negative unconditional: 17494, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5636, positive: 3251, positive conditional: 3096, positive unconditional: 155, negative: 2385, negative conditional: 2378, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5636, positive: 280, positive conditional: 0, positive unconditional: 280, negative: 5356, negative conditional: 0, negative unconditional: 5356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5356, positive: 2971, positive conditional: 2969, positive unconditional: 2, negative: 2385, negative conditional: 2378, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4694, positive: 2938, positive conditional: 2936, positive unconditional: 2, negative: 1756, negative conditional: 1719, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188137, positive: 112273, positive conditional: 86894, positive unconditional: 25379, negative: 70228, negative conditional: 52741, negative unconditional: 17487, unknown: 5636, unknown conditional: 5474, unknown unconditional: 162] , Statistics on independence cache: Total cache size (in pairs): 5636, Positive cache size: 3251, Positive conditional cache size: 3096, Positive unconditional cache size: 155, Negative cache size: 2385, Negative conditional cache size: 2378, Negative unconditional cache size: 7, Eliminated conditions: 36768, Maximal queried relation: 15, Independence queries for same thread: 15244 - 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: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 850 known predicates. - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 850 known predicates. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 850 known predicates. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 850 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 774.7s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 449.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3436, 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: 0.7s SsaConstructionTime, 153.6s SatisfiabilityAnalysisTime, 166.9s InterpolantComputationTime, 17171 NumberOfCodeBlocks, 17171 NumberOfCodeBlocksAsserted, 458 NumberOfCheckSat, 25599 ConstructedInterpolants, 0 QuantifiedInterpolants, 83670 SizeOfPredicates, 128 NumberOfNonLiveVariables, 19508 ConjunctsInSsa, 1205 ConjunctsInUnsatCore, 42 InterpolantComputations, 4 PerfectInterpolantSequences, 1175746/1682518 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