/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 02:15:00,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 02:15:00,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 02:15:00,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 02:15:00,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 02:15:00,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 02:15:00,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 02:15:00,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 02:15:00,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 02:15:00,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 02:15:00,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 02:15:00,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 02:15:00,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 02:15:00,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 02:15:00,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 02:15:00,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 02:15:00,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 02:15:00,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 02:15:00,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 02:15:00,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 02:15:00,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 02:15:00,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 02:15:00,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 02:15:00,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 02:15:00,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 02:15:00,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 02:15:00,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 02:15:00,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 02:15:00,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 02:15:00,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 02:15:00,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 02:15:00,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 02:15:00,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 02:15:00,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 02:15:00,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 02:15:00,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 02:15:00,988 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 02:15:01,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 02:15:01,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 02:15:01,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 02:15:01,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 02:15:01,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 02:15:01,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 02:15:01,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 02:15:01,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 02:15:01,021 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 02:15:01,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 02:15:01,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 02:15:01,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 02:15:01,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 02:15:01,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 02:15:01,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 02:15:01,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 02:15:01,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 02:15:01,023 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 02:15:01,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 02:15:01,023 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 02:15:01,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 02:15:01,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 02:15:01,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 02:15:01,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 02:15:01,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 02:15:01,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 02:15:01,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 02:15:01,024 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 02:15:01,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 02:15:01,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 02:15:01,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 02:15:01,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 02:15:01,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 02:15:01,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 02:15:01,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 02:15:01,026 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 02:15:01,026 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 02:15:01,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 02:15:01,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 02:15:01,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 02:15:01,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 02:15:01,294 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 02:15:01,294 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 02:15:01,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-02-19 02:15:01,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b194e35/a1ef166fd96740d5ba11dd2ed2cfa3e7/FLAG42e0612ae [2022-02-19 02:15:01,866 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 02:15:01,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c [2022-02-19 02:15:01,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b194e35/a1ef166fd96740d5ba11dd2ed2cfa3e7/FLAG42e0612ae [2022-02-19 02:15:02,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b194e35/a1ef166fd96740d5ba11dd2ed2cfa3e7 [2022-02-19 02:15:02,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 02:15:02,203 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 02:15:02,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 02:15:02,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 02:15:02,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 02:15:02,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b429e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02, skipping insertion in model container [2022-02-19 02:15:02,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 02:15:02,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 02:15:02,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-02-19 02:15:02,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 02:15:02,462 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 02:15:02,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-multiply-verify.wvr.c[3042,3055] [2022-02-19 02:15:02,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 02:15:02,502 INFO L208 MainTranslator]: Completed translation [2022-02-19 02:15:02,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02 WrapperNode [2022-02-19 02:15:02,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 02:15:02,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 02:15:02,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 02:15:02,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 02:15:02,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,548 INFO L137 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 179 [2022-02-19 02:15:02,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 02:15:02,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 02:15:02,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 02:15:02,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 02:15:02,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 02:15:02,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 02:15:02,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 02:15:02,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 02:15:02,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (1/1) ... [2022-02-19 02:15:02,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 02:15:02,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:02,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 02:15:02,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 02:15:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 02:15:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 02:15:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 02:15:02,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 02:15:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 02:15:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 02:15:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 02:15:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 02:15:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 02:15:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 02:15:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 02:15:02,701 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 02:15:02,776 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 02:15:02,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 02:15:03,010 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 02:15:03,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 02:15:03,076 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-19 02:15:03,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:15:03 BoogieIcfgContainer [2022-02-19 02:15:03,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 02:15:03,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 02:15:03,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 02:15:03,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 02:15:03,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 02:15:02" (1/3) ... [2022-02-19 02:15:03,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f566f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:15:03, skipping insertion in model container [2022-02-19 02:15:03,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:15:02" (2/3) ... [2022-02-19 02:15:03,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f566f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:15:03, skipping insertion in model container [2022-02-19 02:15:03,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:15:03" (3/3) ... [2022-02-19 02:15:03,094 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2022-02-19 02:15:03,102 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 02:15:03,102 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 02:15:03,102 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 02:15:03,102 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 02:15:03,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,197 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,198 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~x~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,211 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,212 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:15:03,220 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 02:15:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 02:15:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:03,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 02:15:03,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 02:15:03,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 02:15:03,308 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 02:15:03,308 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 02:15:03,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:03,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash 293115633, now seen corresponding path program 1 times [2022-02-19 02:15:03,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:03,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267358631] [2022-02-19 02:15:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:03,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:03,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267358631] [2022-02-19 02:15:03,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267358631] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:15:03,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:15:03,857 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 02:15:03,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243146514] [2022-02-19 02:15:03,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:15:03,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 02:15:03,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:03,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 02:15:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 02:15:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:03,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:03,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:03,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:03,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:03,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 02:15:03,941 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:03,942 INFO L85 PathProgramCache]: Analyzing trace with hash 896978406, now seen corresponding path program 1 times [2022-02-19 02:15:03,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:03,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101622074] [2022-02-19 02:15:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:04,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:04,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101622074] [2022-02-19 02:15:04,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101622074] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:15:04,106 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:15:04,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 02:15:04,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933505349] [2022-02-19 02:15:04,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:15:04,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 02:15:04,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:04,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 02:15:04,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 02:15:04,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:04,109 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:04,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:04,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:04,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:04,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 02:15:04,495 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:04,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:04,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1702699156, now seen corresponding path program 1 times [2022-02-19 02:15:04,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:04,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716896780] [2022-02-19 02:15:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:04,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:04,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:04,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716896780] [2022-02-19 02:15:04,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716896780] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:04,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618144606] [2022-02-19 02:15:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:04,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:04,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:04,704 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) [2022-02-19 02:15:04,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 02:15:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:04,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 02:15:04,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:05,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:15:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:05,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618144606] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:15:05,599 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:15:05,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2022-02-19 02:15:05,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677784034] [2022-02-19 02:15:05,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:15:05,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-19 02:15:05,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:05,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-19 02:15:05,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-02-19 02:15:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:05,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:05,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.722222222222221) internal successors, (175), 18 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:06,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 02:15:06,231 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,SelfDestructingSolverStorable2 [2022-02-19 02:15:06,232 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:06,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:06,233 INFO L85 PathProgramCache]: Analyzing trace with hash 63908646, now seen corresponding path program 2 times [2022-02-19 02:15:06,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:06,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634966408] [2022-02-19 02:15:06,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:06,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:08,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:08,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634966408] [2022-02-19 02:15:08,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634966408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:08,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260247989] [2022-02-19 02:15:08,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 02:15:08,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:08,862 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) [2022-02-19 02:15:08,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 02:15:09,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-19 02:15:09,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:15:09,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-19 02:15:09,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:09,539 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-02-19 02:15:09,540 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-02-19 02:15:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:09,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 02:15:09,755 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260247989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:15:09,755 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 02:15:09,755 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [35] total 43 [2022-02-19 02:15:09,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341061693] [2022-02-19 02:15:09,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:15:09,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 02:15:09,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:09,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 02:15:09,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1684, Unknown=0, NotChecked=0, Total=1806 [2022-02-19 02:15:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:09,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:09,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:09,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:09,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:09,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:09,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:10,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:10,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:10,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 02:15:10,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:10,376 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:10,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:10,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1904996467, now seen corresponding path program 1 times [2022-02-19 02:15:10,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:10,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437205288] [2022-02-19 02:15:10,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:10,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:10,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:10,482 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437205288] [2022-02-19 02:15:10,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437205288] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:15:10,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:15:10,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 02:15:10,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645939128] [2022-02-19 02:15:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:15:10,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 02:15:10,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:10,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 02:15:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-19 02:15:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:10,484 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:10,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:10,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:10,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:10,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:10,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:10,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:10,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:10,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 02:15:10,551 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:10,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:10,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1386889716, now seen corresponding path program 3 times [2022-02-19 02:15:10,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:10,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895514624] [2022-02-19 02:15:10,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:10,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:12,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:12,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895514624] [2022-02-19 02:15:12,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895514624] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:12,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303803414] [2022-02-19 02:15:12,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 02:15:12,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:12,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:12,397 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) [2022-02-19 02:15:12,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 02:15:12,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-19 02:15:12,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:15:12,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-19 02:15:12,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:13,481 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-02-19 02:15:13,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 17 [2022-02-19 02:15:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:13,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 02:15:13,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303803414] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:15:13,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 02:15:13,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [37] total 45 [2022-02-19 02:15:13,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361908364] [2022-02-19 02:15:13,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:15:13,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 02:15:13,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:13,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 02:15:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1841, Unknown=0, NotChecked=0, Total=1980 [2022-02-19 02:15:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:13,610 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:13,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:13,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:13,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:13,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 02:15:14,075 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 [2022-02-19 02:15:14,076 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:14,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:14,076 INFO L85 PathProgramCache]: Analyzing trace with hash -365859921, now seen corresponding path program 1 times [2022-02-19 02:15:14,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:14,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941804255] [2022-02-19 02:15:14,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:14,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:14,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941804255] [2022-02-19 02:15:14,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941804255] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:14,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310365400] [2022-02-19 02:15:14,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:14,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:14,177 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) [2022-02-19 02:15:14,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 02:15:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:14,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 02:15:14,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:14,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:15:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:14,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310365400] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:14,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-19 02:15:14,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2022-02-19 02:15:14,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240157657] [2022-02-19 02:15:14,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:15:14,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 02:15:14,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:14,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 02:15:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-19 02:15:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:14,686 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:14,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:14,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:14,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 02:15:14,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 02:15:14,955 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 [2022-02-19 02:15:14,956 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:14,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:14,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1967242404, now seen corresponding path program 1 times [2022-02-19 02:15:14,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:14,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177641475] [2022-02-19 02:15:14,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:16,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:16,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177641475] [2022-02-19 02:15:16,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177641475] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:16,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689453141] [2022-02-19 02:15:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:16,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:16,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:16,231 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) [2022-02-19 02:15:16,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 02:15:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:16,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-19 02:15:16,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:17,657 INFO L353 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2022-02-19 02:15:17,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 17 [2022-02-19 02:15:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:18,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:15:19,088 INFO L353 Elim1Store]: treesize reduction 47, result has 53.0 percent of original size [2022-02-19 02:15:19,089 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 133 treesize of output 101 [2022-02-19 02:15:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:22,874 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689453141] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:15:22,874 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:15:22,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 23] total 64 [2022-02-19 02:15:22,875 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022267687] [2022-02-19 02:15:22,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:15:22,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-02-19 02:15:22,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:22,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-02-19 02:15:22,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=3600, Unknown=0, NotChecked=0, Total=4032 [2022-02-19 02:15:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:22,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:22,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.3125) internal successors, (340), 64 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 02:15:22,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 02:15:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 02:15:26,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 02:15:26,832 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 [2022-02-19 02:15:26,832 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:26,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2046213327, now seen corresponding path program 2 times [2022-02-19 02:15:26,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:26,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060015057] [2022-02-19 02:15:26,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:26,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:26,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:26,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060015057] [2022-02-19 02:15:26,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060015057] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:26,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700895166] [2022-02-19 02:15:26,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 02:15:26,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:26,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:26,996 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) [2022-02-19 02:15:27,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 02:15:27,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 02:15:27,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:15:27,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-19 02:15:27,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:27,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:15:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:27,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700895166] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:15:27,948 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:15:27,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-02-19 02:15:27,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272628408] [2022-02-19 02:15:27,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:15:27,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-19 02:15:27,949 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:15:27,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-19 02:15:27,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-02-19 02:15:27,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:27,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:15:27,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.625) internal successors, (154), 16 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-19 02:15:27,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:29,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:15:29,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:15:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 02:15:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 02:15:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:15:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 02:15:29,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 02:15:29,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 02:15:29,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 02:15:30,041 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 [2022-02-19 02:15:30,042 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:15:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:15:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1738458782, now seen corresponding path program 3 times [2022-02-19 02:15:30,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:15:30,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318763595] [2022-02-19 02:15:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:15:30,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:15:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:15:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:15:33,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:15:33,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318763595] [2022-02-19 02:15:33,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318763595] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:15:33,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208835057] [2022-02-19 02:15:33,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 02:15:33,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:15:33,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:15:33,583 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) [2022-02-19 02:15:33,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 02:15:33,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-19 02:15:33,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:15:33,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-19 02:15:33,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:15:34,588 INFO L353 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-02-19 02:15:34,589 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 14 [2022-02-19 02:15:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-19 02:15:34,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:15:34,943 INFO L353 Elim1Store]: treesize reduction 50, result has 51.5 percent of original size [2022-02-19 02:15:34,944 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 76 Received shutdown request... [2022-02-19 02:29:42,726 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-19 02:29:42,741 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 [2022-02-19 02:29:42,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 02:29:42,766 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 02:29:42,766 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 [2022-02-19 02:29:42,935 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 [2022-02-19 02:29:42,936 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-8-2-2-1 context. [2022-02-19 02:29:42,937 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 02:29:42,938 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 02:29:42,938 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 02:29:42,944 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1] [2022-02-19 02:29:42,946 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 02:29:42,946 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 02:29:42,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 02:29:42 BasicIcfg [2022-02-19 02:29:42,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 02:29:42,948 INFO L158 Benchmark]: Toolchain (without parser) took 880744.54ms. Allocated memory was 207.6MB in the beginning and 493.9MB in the end (delta: 286.3MB). Free memory was 154.6MB in the beginning and 427.9MB in the end (delta: -273.3MB). Peak memory consumption was 296.9MB. Max. memory is 8.0GB. [2022-02-19 02:29:42,948 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 02:29:42,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.29ms. Allocated memory is still 207.6MB. Free memory was 154.4MB in the beginning and 180.9MB in the end (delta: -26.4MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-02-19 02:29:42,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.46ms. Allocated memory is still 207.6MB. Free memory was 180.5MB in the beginning and 178.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 02:29:42,949 INFO L158 Benchmark]: Boogie Preprocessor took 54.58ms. Allocated memory is still 207.6MB. Free memory was 178.4MB in the beginning and 177.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 02:29:42,949 INFO L158 Benchmark]: RCFGBuilder took 480.86ms. Allocated memory is still 207.6MB. Free memory was 177.1MB in the beginning and 154.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-02-19 02:29:42,949 INFO L158 Benchmark]: TraceAbstraction took 879860.48ms. Allocated memory was 207.6MB in the beginning and 493.9MB in the end (delta: 286.3MB). Free memory was 154.0MB in the beginning and 427.9MB in the end (delta: -273.9MB). Peak memory consumption was 296.4MB. Max. memory is 8.0GB. [2022-02-19 02:29:42,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 296.29ms. Allocated memory is still 207.6MB. Free memory was 154.4MB in the beginning and 180.9MB in the end (delta: -26.4MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.46ms. Allocated memory is still 207.6MB. Free memory was 180.5MB in the beginning and 178.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.58ms. Allocated memory is still 207.6MB. Free memory was 178.4MB in the beginning and 177.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 480.86ms. Allocated memory is still 207.6MB. Free memory was 177.1MB in the beginning and 154.3MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 879860.48ms. Allocated memory was 207.6MB in the beginning and 493.9MB in the end (delta: 286.3MB). Free memory was 154.0MB in the beginning and 427.9MB in the end (delta: -273.9MB). Peak memory consumption was 296.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10586, positive: 9719, positive conditional: 7719, positive unconditional: 2000, negative: 867, negative conditional: 847, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9762, positive: 9719, positive conditional: 7719, positive unconditional: 2000, negative: 43, negative conditional: 23, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9762, positive: 9719, positive conditional: 7719, positive unconditional: 2000, negative: 43, negative conditional: 23, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9824, positive: 9719, positive conditional: 7535, positive unconditional: 2184, negative: 105, negative conditional: 62, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9824, positive: 9719, positive conditional: 2993, positive unconditional: 6726, negative: 105, negative conditional: 40, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9824, positive: 9719, positive conditional: 2993, positive unconditional: 6726, negative: 105, negative conditional: 40, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1803, positive: 1767, positive conditional: 28, positive unconditional: 1739, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1803, positive: 1737, positive conditional: 0, positive unconditional: 1737, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 30, positive conditional: 28, positive unconditional: 2, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 341, positive: 172, positive conditional: 123, positive unconditional: 49, negative: 169, negative conditional: 55, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9824, positive: 7952, positive conditional: 2965, positive unconditional: 4987, negative: 69, negative conditional: 24, negative unconditional: 45, unknown: 1803, unknown conditional: 44, unknown unconditional: 1759] , Statistics on independence cache: Total cache size (in pairs): 1803, Positive cache size: 1767, Positive conditional cache size: 28, Positive unconditional cache size: 1739, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 4564, Maximal queried relation: 7, Independence queries for same thread: 824 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1210, Number of trivial persistent sets: 1173, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2020, positive: 2000, positive conditional: 0, positive unconditional: 2000, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10586, positive: 9719, positive conditional: 7719, positive unconditional: 2000, negative: 867, negative conditional: 847, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9762, positive: 9719, positive conditional: 7719, positive unconditional: 2000, negative: 43, negative conditional: 23, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9762, positive: 9719, positive conditional: 7719, positive unconditional: 2000, negative: 43, negative conditional: 23, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9824, positive: 9719, positive conditional: 7535, positive unconditional: 2184, negative: 105, negative conditional: 62, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9824, positive: 9719, positive conditional: 2993, positive unconditional: 6726, negative: 105, negative conditional: 40, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9824, positive: 9719, positive conditional: 2993, positive unconditional: 6726, negative: 105, negative conditional: 40, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1803, positive: 1767, positive conditional: 28, positive unconditional: 1739, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1803, positive: 1737, positive conditional: 0, positive unconditional: 1737, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 30, positive conditional: 28, positive unconditional: 2, negative: 36, negative conditional: 16, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 341, positive: 172, positive conditional: 123, positive unconditional: 49, negative: 169, negative conditional: 55, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9824, positive: 7952, positive conditional: 2965, positive unconditional: 4987, negative: 69, negative conditional: 24, negative unconditional: 45, unknown: 1803, unknown conditional: 44, unknown unconditional: 1759] , Statistics on independence cache: Total cache size (in pairs): 1803, Positive cache size: 1767, Positive conditional cache size: 28, Positive unconditional cache size: 1739, Negative cache size: 36, Negative conditional cache size: 16, Negative unconditional cache size: 20, Eliminated conditions: 4564, Maximal queried relation: 7, Independence queries for same thread: 824 - 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: 110]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-8-2-2-1 context. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-8-2-2-1 context. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-8-2-2-1 context. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-8-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 180 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 879.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 7.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 116, 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: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 1946 NumberOfCodeBlocks, 1918 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2462 ConstructedInterpolants, 13 QuantifiedInterpolants, 22763 SizeOfPredicates, 79 NumberOfNonLiveVariables, 1891 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 101/163 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