/usr/bin/java -Xmx16000000000 -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-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-13 21:47:24,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:47:24,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:47:24,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:47:24,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:47:24,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:47:24,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:47:24,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:47:24,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:47:24,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:47:24,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:47:24,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:47:24,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:47:24,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:47:24,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:47:24,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:47:24,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:47:24,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:47:24,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:47:24,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:47:24,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:47:24,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:47:24,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:47:24,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:47:24,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:47:24,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:47:24,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:47:24,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:47:24,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:47:24,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:47:24,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:47:24,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:47:24,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:47:24,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:47:25,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:47:25,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:47:25,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:47:25,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:47:25,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:47:25,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:47:25,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:47:25,009 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 [2021-11-13 21:47:25,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:47:25,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:47:25,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 21:47:25,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 21:47:25,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:47:25,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 21:47:25,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:47:25,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:47:25,028 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 21:47:25,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:47:25,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:47:25,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:47:25,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:47:25,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 21:47:25,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 21:47:25,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 21:47:25,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:47:25,031 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 21:47:25,031 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 21:47:25,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-13 21:47:25,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:47:25,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:47:25,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:47:25,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:47:25,230 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:47:25,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2021-11-13 21:47:25,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77337e3c/f8c9cebeebe14d5bb5c8596b137fd559/FLAGb1144582f [2021-11-13 21:47:25,616 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:47:25,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2021-11-13 21:47:25,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77337e3c/f8c9cebeebe14d5bb5c8596b137fd559/FLAGb1144582f [2021-11-13 21:47:25,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77337e3c/f8c9cebeebe14d5bb5c8596b137fd559 [2021-11-13 21:47:25,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:47:25,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 21:47:25,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:47:25,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:47:25,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:47:25,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6a60ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25, skipping insertion in model container [2021-11-13 21:47:25,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:47:25,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:47:25,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2681,2694] [2021-11-13 21:47:25,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:47:25,817 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:47:25,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c[2681,2694] [2021-11-13 21:47:25,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:47:25,843 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:47:25,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25 WrapperNode [2021-11-13 21:47:25,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:47:25,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:47:25,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:47:25,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:47:25,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:47:25,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:47:25,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:47:25,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:47:25,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:47:25,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:47:25,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:47:25,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:47:25,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (1/1) ... [2021-11-13 21:47:25,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 21:47:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:25,946 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) [2021-11-13 21:47:25,952 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 [2021-11-13 21:47:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-13 21:47:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-13 21:47:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-13 21:47:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-13 21:47:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-13 21:47:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:47:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:47:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:47:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:47:25,976 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 21:47:26,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:47:26,331 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 21:47:26,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:26 BoogieIcfgContainer [2021-11-13 21:47:26,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:47:26,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 21:47:26,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 21:47:26,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 21:47:26,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 09:47:25" (1/3) ... [2021-11-13 21:47:26,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bf1e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 09:47:26, skipping insertion in model container [2021-11-13 21:47:26,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:47:25" (2/3) ... [2021-11-13 21:47:26,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bf1e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 09:47:26, skipping insertion in model container [2021-11-13 21:47:26,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:47:26" (3/3) ... [2021-11-13 21:47:26,339 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2021-11-13 21:47:26,342 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 21:47:26,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 21:47:26,342 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 21:47:26,342 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 21:47:26,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,368 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,369 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,370 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,371 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,372 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,373 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,374 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,375 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,376 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,377 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,378 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,380 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,381 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,382 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,383 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,386 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-13 21:47:26,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 21:47:26,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:26,418 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) [2021-11-13 21:47:26,419 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 [2021-11-13 21:47:26,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 21:47:26,443 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, 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 [2021-11-13 21:47:26,443 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 21:47:26,504 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,504 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,504 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,532 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,532 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,532 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:26,554 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:26,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1604587002, now seen corresponding path program 1 times [2021-11-13 21:47:26,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:26,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52511248] [2021-11-13 21:47:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:26,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:47:26,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:26,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52511248] [2021-11-13 21:47:26,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52511248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 21:47:26,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 21:47:26,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 21:47:26,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117941291] [2021-11-13 21:47:26,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 21:47:26,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 21:47:26,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:26,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 21:47:26,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 21:47:26,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:26,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:26,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 21:47:26,719 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:26,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:26,720 INFO L85 PathProgramCache]: Analyzing trace with hash -505727498, now seen corresponding path program 1 times [2021-11-13 21:47:26,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:26,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485655621] [2021-11-13 21:47:26,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:26,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:47:26,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:26,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485655621] [2021-11-13 21:47:26,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485655621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 21:47:26,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 21:47:26,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 21:47:26,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443247008] [2021-11-13 21:47:26,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 21:47:26,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 21:47:26,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:26,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 21:47:26,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 21:47:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:26,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:26,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 21:47:26,970 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:26,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 462920232, now seen corresponding path program 1 times [2021-11-13 21:47:26,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:26,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165064424] [2021-11-13 21:47:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:26,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:47:27,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:27,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165064424] [2021-11-13 21:47:27,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165064424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 21:47:27,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 21:47:27,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 21:47:27,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927344193] [2021-11-13 21:47:27,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 21:47:27,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 21:47:27,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 21:47:27,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 21:47:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:27,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:27,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:27,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:27,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:27,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:27,128 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:27,129 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:27,129 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:27,129 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:27,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:27,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:27,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 21:47:27,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:27,156 INFO L85 PathProgramCache]: Analyzing trace with hash 225480998, now seen corresponding path program 1 times [2021-11-13 21:47:27,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:27,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409139794] [2021-11-13 21:47:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:27,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:47:27,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:27,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409139794] [2021-11-13 21:47:27,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409139794] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:27,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733002586] [2021-11-13 21:47:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:27,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:27,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:27,217 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) [2021-11-13 21:47:27,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 21:47:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:27,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 21:47:27,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:47:28,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 21:47:28,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733002586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 21:47:28,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 21:47:28,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-11-13 21:47:28,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078186124] [2021-11-13 21:47:28,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 21:47:28,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 21:47:28,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:28,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 21:47:28,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 21:47:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:28,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:28,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:28,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:28,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,216 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,217 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,218 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,227 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,228 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,228 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,228 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,228 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,229 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,237 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,237 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,240 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,240 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,240 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:28,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:28,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:28,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-13 21:47:28,480 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:28,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:28,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1669449221, now seen corresponding path program 1 times [2021-11-13 21:47:28,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:28,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337493277] [2021-11-13 21:47:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:28,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:47:28,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:28,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337493277] [2021-11-13 21:47:28,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337493277] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:28,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165750651] [2021-11-13 21:47:28,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:28,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:28,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:28,555 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) [2021-11-13 21:47:28,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 21:47:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:28,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 21:47:28,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:47:28,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:47:28,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165750651] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:28,931 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:28,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2021-11-13 21:47:28,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253999890] [2021-11-13 21:47:28,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:28,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 21:47:28,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:28,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 21:47:28,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-13 21:47:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:28,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:28,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:29,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-13 21:47:29,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:29,203 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:29,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1790923075, now seen corresponding path program 1 times [2021-11-13 21:47:29,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:29,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207419254] [2021-11-13 21:47:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:29,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:29,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:29,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207419254] [2021-11-13 21:47:29,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207419254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 21:47:29,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 21:47:29,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 21:47:29,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315631608] [2021-11-13 21:47:29,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 21:47:29,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 21:47:29,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 21:47:29,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 21:47:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:29,320 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:29,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:29,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:29,362 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,362 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,362 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,363 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,363 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,363 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,370 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,371 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,371 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:29,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:29,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:29,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 21:47:29,392 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:29,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1683816198, now seen corresponding path program 1 times [2021-11-13 21:47:29,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:29,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802216215] [2021-11-13 21:47:29,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:29,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:47:29,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:29,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802216215] [2021-11-13 21:47:29,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802216215] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:29,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926079570] [2021-11-13 21:47:29,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:29,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:29,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:29,508 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) [2021-11-13 21:47:29,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 21:47:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:29,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 21:47:29,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:29,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2021-11-13 21:47:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:29,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:29,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2021-11-13 21:47:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:30,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926079570] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:30,183 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:30,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 20 [2021-11-13 21:47:30,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331925184] [2021-11-13 21:47:30,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:30,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-13 21:47:30,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:30,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-13 21:47:30,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-11-13 21:47:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:30,185 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:30,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.35) internal successors, (187), 20 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:30,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:30,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:30,427 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,435 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,436 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,436 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,441 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,441 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,441 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,442 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,442 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,442 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:30,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:30,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:30,684 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash -168949724, now seen corresponding path program 2 times [2021-11-13 21:47:30,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:30,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298028377] [2021-11-13 21:47:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:30,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:30,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:30,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298028377] [2021-11-13 21:47:30,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298028377] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:30,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169854405] [2021-11-13 21:47:30,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 21:47:30,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:30,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:30,783 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) [2021-11-13 21:47:30,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 21:47:30,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 21:47:30,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 21:47:30,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 21:47:30,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:31,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:31,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169854405] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:31,225 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:31,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2021-11-13 21:47:31,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730727065] [2021-11-13 21:47:31,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:31,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-13 21:47:31,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:31,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-13 21:47:31,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-11-13 21:47:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:31,227 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:31,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:31,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:31,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:31,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:31,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:31,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 21:47:31,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:31,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:31,651 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:31,652 INFO L85 PathProgramCache]: Analyzing trace with hash -841678544, now seen corresponding path program 3 times [2021-11-13 21:47:31,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:31,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310928334] [2021-11-13 21:47:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:31,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:47:31,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:31,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310928334] [2021-11-13 21:47:31,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310928334] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:31,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188302797] [2021-11-13 21:47:31,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 21:47:31,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:31,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:31,751 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) [2021-11-13 21:47:31,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 21:47:31,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 21:47:31,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 21:47:31,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 21:47:31,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:32,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2021-11-13 21:47:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 21:47:32,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:32,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-13 21:47:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 21:47:32,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188302797] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:32,622 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:32,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 27 [2021-11-13 21:47:32,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687782725] [2021-11-13 21:47:32,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:32,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-13 21:47:32,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:32,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-13 21:47:32,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2021-11-13 21:47:32,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:32,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:32,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.777777777777779) internal successors, (264), 27 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:32,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-13 21:47:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:33,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,177 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,177 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,177 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,178 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,178 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,178 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,280 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,280 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,281 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,281 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,281 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,281 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,603 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,604 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,605 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,763 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,763 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,763 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,842 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,843 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,843 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,886 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,903 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,907 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,911 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,911 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,911 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,915 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,916 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,916 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,933 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,933 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,933 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,937 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,938 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,938 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,949 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,950 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:33,950 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,108 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,108 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,108 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,109 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,109 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,109 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 21:47:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-13 21:47:34,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:34,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:34,342 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:34,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:34,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1956676807, now seen corresponding path program 4 times [2021-11-13 21:47:34,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:34,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203174825] [2021-11-13 21:47:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:34,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:34,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:34,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203174825] [2021-11-13 21:47:34,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203174825] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:34,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986186334] [2021-11-13 21:47:34,460 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 21:47:34,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:34,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:34,467 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) [2021-11-13 21:47:34,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 21:47:34,550 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 21:47:34,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 21:47:34,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 21:47:34,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:34,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:35,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986186334] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:35,101 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:35,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2021-11-13 21:47:35,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082807512] [2021-11-13 21:47:35,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:35,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-13 21:47:35,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-13 21:47:35,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=849, Unknown=0, NotChecked=0, Total=992 [2021-11-13 21:47:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:35,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:35,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.75) internal successors, (216), 32 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-13 21:47:35,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-13 21:47:35,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-13 21:47:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-13 21:47:35,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:35,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:35,873 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:35,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:35,874 INFO L85 PathProgramCache]: Analyzing trace with hash 479670737, now seen corresponding path program 5 times [2021-11-13 21:47:35,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:35,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464225356] [2021-11-13 21:47:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:35,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 9 proven. 98 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 21:47:36,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:36,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464225356] [2021-11-13 21:47:36,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464225356] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:36,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256633038] [2021-11-13 21:47:36,058 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-13 21:47:36,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:36,059 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) [2021-11-13 21:47:36,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 21:47:36,152 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-11-13 21:47:36,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 21:47:36,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-13 21:47:36,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:36,748 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 40 proven. 75 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:36,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-13 21:47:37,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256633038] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:37,051 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:37,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 16] total 45 [2021-11-13 21:47:37,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295526446] [2021-11-13 21:47:37,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:37,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-11-13 21:47:37,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:37,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-11-13 21:47:37,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1746, Unknown=0, NotChecked=0, Total=1980 [2021-11-13 21:47:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:37,055 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:37,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.622222222222222) internal successors, (253), 45 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-13 21:47:37,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:39,759 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:39,759 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:39,759 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:39,760 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:39,760 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:39,760 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,181 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,182 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,182 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,183 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,183 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,183 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,589 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,590 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,591 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,591 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,620 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,620 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short11#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,620 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem10#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,620 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,642 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,642 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,657 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,657 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem3#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,657 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short4#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 21:47:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 21:47:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 21:47:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-13 21:47:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-13 21:47:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-11-13 21:47:40,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:41,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-13 21:47:41,033 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:41,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:41,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1105114349, now seen corresponding path program 6 times [2021-11-13 21:47:41,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:41,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642766701] [2021-11-13 21:47:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:41,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:41,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:41,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642766701] [2021-11-13 21:47:41,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642766701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:41,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658173943] [2021-11-13 21:47:41,097 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-13 21:47:41,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:41,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 21:47:41,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 21:47:41,179 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-13 21:47:41,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 21:47:41,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 21:47:41,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:41,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 21:47:41,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658173943] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 21:47:41,657 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 21:47:41,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2021-11-13 21:47:41,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396442862] [2021-11-13 21:47:41,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 21:47:41,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-13 21:47:41,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 21:47:41,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-13 21:47:41,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-13 21:47:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:41,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 21:47:41,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.125) internal successors, (162), 16 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 21:47:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:41,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2021-11-13 21:47:41,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2021-11-13 21:47:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 21:47:41,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:42,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:42,054 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 21:47:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:47:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash -266948849, now seen corresponding path program 7 times [2021-11-13 21:47:42,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 21:47:42,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563431348] [2021-11-13 21:47:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 21:47:42,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:47:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 21:47:42,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 21:47:42,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563431348] [2021-11-13 21:47:42,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563431348] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 21:47:42,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690967857] [2021-11-13 21:47:42,320 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 21:47:42,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 21:47:42,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 21:47:42,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 21:47:42,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 21:47:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:47:42,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-13 21:47:42,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 21:47:43,023 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-13 21:47:43,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 29 [2021-11-13 21:47:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 21:47:43,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 21:47:43,208 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-13 21:47:43,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:43,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-13 21:47:43,424 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Shadow problem: [~counter~0] at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:293) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:167) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateLight(PartialQuantifierElimination.java:111) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:127) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.constructQuantifiedFormula(TermDomainOperationProvider.java:115) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectUniversally(TermDomainOperationProvider.java:109) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectUniversally(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.weakestPrecondition(PredicateTransformer.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:403) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:289) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 21:47:43,427 INFO L158 Benchmark]: Toolchain (without parser) took 17796.78ms. Allocated memory was 415.2MB in the beginning and 763.4MB in the end (delta: 348.1MB). Free memory was 357.2MB in the beginning and 315.4MB in the end (delta: 41.8MB). Peak memory consumption was 391.2MB. Max. memory is 16.0GB. [2021-11-13 21:47:43,427 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 415.2MB. Free memory is still 374.1MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 21:47:43,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.46ms. Allocated memory was 415.2MB in the beginning and 597.7MB in the end (delta: 182.5MB). Free memory was 357.1MB in the beginning and 565.2MB in the end (delta: -208.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. [2021-11-13 21:47:43,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.36ms. Allocated memory is still 597.7MB. Free memory was 565.2MB in the beginning and 562.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2021-11-13 21:47:43,428 INFO L158 Benchmark]: Boogie Preprocessor took 19.40ms. Allocated memory is still 597.7MB. Free memory was 562.0MB in the beginning and 559.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 21:47:43,428 INFO L158 Benchmark]: RCFGBuilder took 432.60ms. Allocated memory is still 597.7MB. Free memory was 559.9MB in the beginning and 531.6MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2021-11-13 21:47:43,428 INFO L158 Benchmark]: TraceAbstraction took 17092.30ms. Allocated memory was 597.7MB in the beginning and 763.4MB in the end (delta: 165.7MB). Free memory was 530.6MB in the beginning and 315.4MB in the end (delta: 215.2MB). Peak memory consumption was 380.9MB. Max. memory is 16.0GB. [2021-11-13 21:47:43,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 415.2MB. Free memory is still 374.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 211.46ms. Allocated memory was 415.2MB in the beginning and 597.7MB in the end (delta: 182.5MB). Free memory was 357.1MB in the beginning and 565.2MB in the end (delta: -208.1MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 35.36ms. Allocated memory is still 597.7MB. Free memory was 565.2MB in the beginning and 562.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.40ms. Allocated memory is still 597.7MB. Free memory was 562.0MB in the beginning and 559.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 432.60ms. Allocated memory is still 597.7MB. Free memory was 559.9MB in the beginning and 531.6MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * TraceAbstraction took 17092.30ms. Allocated memory was 597.7MB in the beginning and 763.4MB in the end (delta: 165.7MB). Free memory was 530.6MB in the beginning and 315.4MB in the end (delta: 215.2MB). Peak memory consumption was 380.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Shadow problem: [~counter~0] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Shadow problem: [~counter~0]: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:47:43,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 21:47:43,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...