/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-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 10:47:09,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 10:47:09,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 10:47:09,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 10:47:09,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 10:47:09,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 10:47:09,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 10:47:09,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 10:47:09,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 10:47:09,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 10:47:09,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 10:47:09,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 10:47:09,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 10:47:09,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 10:47:09,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 10:47:09,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 10:47:09,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 10:47:09,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 10:47:09,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 10:47:09,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 10:47:09,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 10:47:09,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 10:47:09,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 10:47:09,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 10:47:09,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 10:47:09,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 10:47:09,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 10:47:09,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 10:47:09,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 10:47:09,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 10:47:09,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 10:47:09,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 10:47:09,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 10:47:09,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 10:47:09,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 10:47:09,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 10:47:09,907 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-LoopLockstep.epf [2021-11-14 10:47:09,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 10:47:09,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 10:47:09,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 10:47:09,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 10:47:09,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 10:47:09,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 10:47:09,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 10:47:09,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 10:47:09,933 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 10:47:09,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 10:47:09,933 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 10:47:09,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 10:47:09,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 10:47:09,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 10:47:09,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 10:47:09,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 10:47:09,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 10:47:09,936 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 10:47:09,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 10:47:10,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 10:47:10,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 10:47:10,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 10:47:10,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 10:47:10,116 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 10:47:10,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2021-11-14 10:47:10,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aef6d43a/28aa824876ea456cb24b816781531899/FLAG93252346c [2021-11-14 10:47:10,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 10:47:10,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2021-11-14 10:47:10,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aef6d43a/28aa824876ea456cb24b816781531899/FLAG93252346c [2021-11-14 10:47:10,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aef6d43a/28aa824876ea456cb24b816781531899 [2021-11-14 10:47:10,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 10:47:10,909 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 10:47:10,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 10:47:10,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 10:47:10,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 10:47:10,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:47:10" (1/1) ... [2021-11-14 10:47:10,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d67106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:10, skipping insertion in model container [2021-11-14 10:47:10,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:47:10" (1/1) ... [2021-11-14 10:47:10,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 10:47:10,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 10:47:11,083 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/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2021-11-14 10:47:11,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 10:47:11,093 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 10:47:11,111 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/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2021-11-14 10:47:11,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 10:47:11,122 INFO L208 MainTranslator]: Completed translation [2021-11-14 10:47:11,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11 WrapperNode [2021-11-14 10:47:11,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 10:47:11,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 10:47:11,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 10:47:11,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 10:47:11,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 10:47:11,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 10:47:11,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 10:47:11,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 10:47:11,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 10:47:11,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 10:47:11,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 10:47:11,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 10:47:11,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (1/1) ... [2021-11-14 10:47:11,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 10:47:11,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:11,209 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) [2021-11-14 10:47:11,215 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 [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 10:47:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 10:47:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 10:47:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 10:47:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-14 10:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 10:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 10:47:11,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 10:47:11,232 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 10:47:11,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 10:47:11,752 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-14 10:47:11,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:47:11 BoogieIcfgContainer [2021-11-14 10:47:11,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 10:47:11,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 10:47:11,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 10:47:11,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 10:47:11,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:47:10" (1/3) ... [2021-11-14 10:47:11,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d4e83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:47:11, skipping insertion in model container [2021-11-14 10:47:11,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:47:11" (2/3) ... [2021-11-14 10:47:11,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d4e83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:47:11, skipping insertion in model container [2021-11-14 10:47:11,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:47:11" (3/3) ... [2021-11-14 10:47:11,763 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2021-11-14 10:47:11,767 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 10:47:11,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 10:47:11,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 10:47:11,767 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 10:47:11,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,803 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,804 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,805 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,806 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,807 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,808 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,808 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,808 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,809 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,810 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,811 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,812 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,813 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,814 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,815 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,815 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,815 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,815 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,815 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,816 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,817 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,818 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,819 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,820 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,821 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,822 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,823 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,824 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,827 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,828 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,829 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,830 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,831 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,831 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,831 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,831 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,831 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,832 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,833 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,834 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,834 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,834 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,837 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,838 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,839 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,840 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,843 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,844 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,845 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,845 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,845 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,845 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,846 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,847 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,848 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,848 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,850 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,851 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,851 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,852 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,855 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,856 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,861 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,861 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,861 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,862 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,863 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:47:11,867 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-11-14 10:47:11,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 10:47:11,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:11,908 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) [2021-11-14 10:47:11,909 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 [2021-11-14 10:47:11,930 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 10:47:11,937 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 [2021-11-14 10:47:11,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-14 10:47:12,181 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:12,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:12,184 INFO L85 PathProgramCache]: Analyzing trace with hash -157926517, now seen corresponding path program 1 times [2021-11-14 10:47:12,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:12,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83723976] [2021-11-14 10:47:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:12,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:12,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:12,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83723976] [2021-11-14 10:47:12,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83723976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:47:12,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:47:12,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 10:47:12,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506538548] [2021-11-14 10:47:12,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:47:12,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 10:47:12,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 10:47:12,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 10:47:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,386 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:12,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.5) internal successors, (149), 2 states have internal predecessors, (149), 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) [2021-11-14 10:47:12,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 10:47:12,454 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:12,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:12,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1911843531, now seen corresponding path program 1 times [2021-11-14 10:47:12,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:12,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973031084] [2021-11-14 10:47:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:12,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:12,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:12,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973031084] [2021-11-14 10:47:12,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973031084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:47:12,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:47:12,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 10:47:12,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463932328] [2021-11-14 10:47:12,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:47:12,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 10:47:12,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:12,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 10:47:12,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 10:47:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:12,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 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) [2021-11-14 10:47:12,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:12,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 10:47:12,838 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:12,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:12,839 INFO L85 PathProgramCache]: Analyzing trace with hash 993667290, now seen corresponding path program 1 times [2021-11-14 10:47:12,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:12,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194737728] [2021-11-14 10:47:12,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:12,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:12,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:12,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194737728] [2021-11-14 10:47:12,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194737728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:47:12,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:47:12,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 10:47:12,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136878298] [2021-11-14 10:47:12,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:47:12,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 10:47:12,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:12,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 10:47:12,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-14 10:47:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,978 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:12,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 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) [2021-11-14 10:47:12,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:12,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:12,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:13,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 10:47:13,125 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:13,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:13,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1465855526, now seen corresponding path program 1 times [2021-11-14 10:47:13,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:13,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608833689] [2021-11-14 10:47:13,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:13,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:13,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:13,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608833689] [2021-11-14 10:47:13,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608833689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:47:13,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:47:13,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 10:47:13,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510619350] [2021-11-14 10:47:13,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:47:13,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 10:47:13,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:13,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 10:47:13,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-14 10:47:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:13,266 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:13,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 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) [2021-11-14 10:47:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:13,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:14,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 10:47:14,114 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:14,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash -872058280, now seen corresponding path program 1 times [2021-11-14 10:47:14,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:14,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343319391] [2021-11-14 10:47:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:14,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:14,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:14,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343319391] [2021-11-14 10:47:14,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343319391] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:14,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766240898] [2021-11-14 10:47:14,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:14,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:14,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:14,259 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) [2021-11-14 10:47:14,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 10:47:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:14,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-14 10:47:14,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:14,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:15,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766240898] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:15,096 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:15,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-14 10:47:15,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740785407] [2021-11-14 10:47:15,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:15,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-14 10:47:15,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:15,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-14 10:47:15,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2021-11-14 10:47:15,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:15,098 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:15,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.444444444444445) internal successors, (206), 18 states have internal predecessors, (206), 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) [2021-11-14 10:47:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:15,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 10:47:15,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:15,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:15,463 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:15,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:15,464 INFO L85 PathProgramCache]: Analyzing trace with hash 963386200, now seen corresponding path program 1 times [2021-11-14 10:47:15,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:15,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971923754] [2021-11-14 10:47:15,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:15,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:15,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:15,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971923754] [2021-11-14 10:47:15,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971923754] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:15,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210545873] [2021-11-14 10:47:15,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:15,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:15,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:15,537 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) [2021-11-14 10:47:15,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 10:47:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:15,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-14 10:47:15,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:15,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:16,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210545873] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:16,236 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:16,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2021-11-14 10:47:16,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969796648] [2021-11-14 10:47:16,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:16,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-14 10:47:16,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:16,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-14 10:47:16,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-14 10:47:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:16,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:16,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.947368421052632) internal successors, (246), 19 states have internal predecessors, (246), 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) [2021-11-14 10:47:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 10:47:16,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:16,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:16,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:16,990 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:16,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash 662314778, now seen corresponding path program 2 times [2021-11-14 10:47:16,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:16,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585561507] [2021-11-14 10:47:16,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:17,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:17,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585561507] [2021-11-14 10:47:17,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585561507] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:17,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271309447] [2021-11-14 10:47:17,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 10:47:17,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:17,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:17,076 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) [2021-11-14 10:47:17,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 10:47:17,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 10:47:17,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-14 10:47:17,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:17,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:17,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271309447] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:17,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 10:47:17,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 18 [2021-11-14 10:47:17,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126498883] [2021-11-14 10:47:17,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:47:17,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 10:47:17,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 10:47:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-11-14 10:47:17,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:17,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:17,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.444444444444443) internal successors, (166), 9 states have internal predecessors, (166), 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) [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:17,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:18,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:18,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:18,243 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 [2021-11-14 10:47:18,243 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:18,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:18,244 INFO L85 PathProgramCache]: Analyzing trace with hash -528440416, now seen corresponding path program 2 times [2021-11-14 10:47:18,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:18,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664398802] [2021-11-14 10:47:18,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:18,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:18,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:18,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664398802] [2021-11-14 10:47:18,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664398802] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:18,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526503785] [2021-11-14 10:47:18,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 10:47:18,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:18,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:18,325 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) [2021-11-14 10:47:18,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-14 10:47:18,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 10:47:18,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:18,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-14 10:47:18,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:18,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:19,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526503785] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:19,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 10:47:19,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 18 [2021-11-14 10:47:19,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245285183] [2021-11-14 10:47:19,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:47:19,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 10:47:19,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:19,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 10:47:19,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-11-14 10:47:19,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:19,115 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:19,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.444444444444443) internal successors, (166), 9 states have internal predecessors, (166), 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) [2021-11-14 10:47:19,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:19,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:19,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:19,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:19,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:19,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:19,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:19,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:19,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-14 10:47:19,479 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 [2021-11-14 10:47:19,479 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:19,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:19,480 INFO L85 PathProgramCache]: Analyzing trace with hash 375130565, now seen corresponding path program 1 times [2021-11-14 10:47:19,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:19,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908701545] [2021-11-14 10:47:19,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:19,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:19,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:19,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908701545] [2021-11-14 10:47:19,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908701545] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:19,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498907700] [2021-11-14 10:47:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:19,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:19,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:19,833 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) [2021-11-14 10:47:19,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 10:47:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:19,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 73 conjunts are in the unsatisfiable core [2021-11-14 10:47:19,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:19,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 10:47:20,060 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 10:47:20,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-14 10:47:20,562 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 10:47:20,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2021-11-14 10:47:20,681 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 22 treesize of output 10 [2021-11-14 10:47:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 10:47:20,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:23,924 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (+ c_~s_2~0 c_~t_5~0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base) (+ c_~X_0~0.offset 4)))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 c_~t_5~0 1)))) is different from false [2021-11-14 10:47:23,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:47:23,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 47 [2021-11-14 10:47:24,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:47:24,014 INFO L354 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2021-11-14 10:47:24,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-14 10:47:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:24,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498907700] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:24,921 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:24,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 17] total 35 [2021-11-14 10:47:24,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414607039] [2021-11-14 10:47:24,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:24,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-14 10:47:24,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:24,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-14 10:47:24,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1010, Unknown=5, NotChecked=64, Total=1190 [2021-11-14 10:47:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:24,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:24,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 10.457142857142857) internal successors, (366), 35 states have internal predecessors, (366), 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) [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-14 10:47:26,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-14 10:47:26,410 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 [2021-11-14 10:47:26,410 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:26,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:26,410 INFO L85 PathProgramCache]: Analyzing trace with hash -2044865174, now seen corresponding path program 2 times [2021-11-14 10:47:26,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:26,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018141460] [2021-11-14 10:47:26,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:26,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:26,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:26,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018141460] [2021-11-14 10:47:26,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018141460] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:26,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498549125] [2021-11-14 10:47:26,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 10:47:26,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:26,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:26,525 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) [2021-11-14 10:47:26,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-14 10:47:26,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 10:47:26,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:26,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-14 10:47:26,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:27,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:27,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498549125] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:27,396 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:27,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2021-11-14 10:47:27,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632935210] [2021-11-14 10:47:27,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:27,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-14 10:47:27,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:27,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-14 10:47:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2021-11-14 10:47:27,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:27,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:27,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.222222222222221) internal successors, (249), 27 states have internal predecessors, (249), 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) [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:27,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:27,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-11-14 10:47:27,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-14 10:47:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:27,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:28,187 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 [2021-11-14 10:47:28,187 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:28,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:28,188 INFO L85 PathProgramCache]: Analyzing trace with hash 415809578, now seen corresponding path program 3 times [2021-11-14 10:47:28,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:28,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365593079] [2021-11-14 10:47:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:28,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:28,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:28,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365593079] [2021-11-14 10:47:28,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365593079] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:28,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738851858] [2021-11-14 10:47:28,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 10:47:28,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:28,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:28,290 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) [2021-11-14 10:47:28,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 10:47:28,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-14 10:47:28,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:28,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-14 10:47:28,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:28,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 10:47:29,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738851858] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:29,155 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:29,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2021-11-14 10:47:29,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164029215] [2021-11-14 10:47:29,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:29,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-14 10:47:29,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:29,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-14 10:47:29,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2021-11-14 10:47:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:29,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:29,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.88888888888889) internal successors, (267), 27 states have internal predecessors, (267), 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) [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:29,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:29,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:29,775 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 [2021-11-14 10:47:29,775 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:29,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:29,776 INFO L85 PathProgramCache]: Analyzing trace with hash 798257599, now seen corresponding path program 1 times [2021-11-14 10:47:29,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:29,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017309822] [2021-11-14 10:47:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:29,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:30,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:30,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017309822] [2021-11-14 10:47:30,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017309822] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:30,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600630675] [2021-11-14 10:47:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:30,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:30,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:30,057 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) [2021-11-14 10:47:30,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-14 10:47:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:30,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 67 conjunts are in the unsatisfiable core [2021-11-14 10:47:30,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:30,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 10:47:30,560 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 10:47:30,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-14 10:47:31,076 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 10:47:31,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2021-11-14 10:47:31,182 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 22 treesize of output 10 [2021-11-14 10:47:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:31,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:40,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:47:40,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 47 [2021-11-14 10:47:40,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:47:40,152 INFO L354 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2021-11-14 10:47:40,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-14 10:47:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:41,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600630675] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:41,448 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:41,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 31 [2021-11-14 10:47:41,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468570238] [2021-11-14 10:47:41,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:41,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-14 10:47:41,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:41,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-14 10:47:41,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=825, Unknown=12, NotChecked=0, Total=930 [2021-11-14 10:47:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:41,450 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:41,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.774193548387096) internal successors, (303), 31 states have internal predecessors, (303), 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) [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-14 10:47:42,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:43,137 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 [2021-11-14 10:47:43,137 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:43,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1561827169, now seen corresponding path program 4 times [2021-11-14 10:47:43,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:43,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763045809] [2021-11-14 10:47:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:43,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:43,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:43,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763045809] [2021-11-14 10:47:43,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763045809] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:43,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274709345] [2021-11-14 10:47:43,369 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 10:47:43,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:43,370 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) [2021-11-14 10:47:43,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-14 10:47:43,462 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 10:47:43,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:43,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-14 10:47:43,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:44,142 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 22 treesize of output 10 [2021-11-14 10:47:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:44,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:44,514 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:47:44,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2021-11-14 10:47:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 10:47:44,539 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:47:44,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2021-11-14 10:47:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:44,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274709345] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:44,840 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:44,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 10] total 22 [2021-11-14 10:47:44,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057572276] [2021-11-14 10:47:44,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:44,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-14 10:47:44,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:44,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-14 10:47:44,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-11-14 10:47:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:44,842 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:44,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.5) internal successors, (253), 22 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) [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-14 10:47:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-14 10:47:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:47:45,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-14 10:47:45,596 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 [2021-11-14 10:47:45,596 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:45,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -858105171, now seen corresponding path program 5 times [2021-11-14 10:47:45,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:45,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073802670] [2021-11-14 10:47:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:45,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:45,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:45,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073802670] [2021-11-14 10:47:45,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073802670] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:45,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891231975] [2021-11-14 10:47:45,871 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 10:47:45,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:45,872 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:47:45,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-14 10:47:45,949 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-11-14 10:47:45,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:45,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-14 10:47:45,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:46,432 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-14 10:47:46,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-14 10:47:46,517 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 15 treesize of output 7 [2021-11-14 10:47:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:46,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:48,748 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:47:48,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 60 [2021-11-14 10:47:48,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:47:48,782 INFO L354 Elim1Store]: treesize reduction 14, result has 22.2 percent of original size [2021-11-14 10:47:48,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2021-11-14 10:47:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:47:49,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891231975] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:47:49,781 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:47:49,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2021-11-14 10:47:49,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626180882] [2021-11-14 10:47:49,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:47:49,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-14 10:47:49,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:47:49,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-14 10:47:49,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=992, Unknown=3, NotChecked=0, Total=1122 [2021-11-14 10:47:49,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:49,782 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:47:49,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.088235294117647) internal successors, (275), 34 states have internal predecessors, (275), 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) [2021-11-14 10:47:49,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:47:49,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:47:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:47:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:47:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-14 10:47:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:47:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:47:50,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-14 10:47:50,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-14 10:47:50,487 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:47:50,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:47:50,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1314474249, now seen corresponding path program 2 times [2021-11-14 10:47:50,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:47:50,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511961349] [2021-11-14 10:47:50,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:47:50,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:47:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:47:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:47:51,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:47:51,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511961349] [2021-11-14 10:47:51,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511961349] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:47:51,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283863255] [2021-11-14 10:47:51,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 10:47:51,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:47:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:47:51,080 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:47:51,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-14 10:47:51,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 10:47:51,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:47:51,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-14 10:47:51,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:47:51,907 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-14 10:47:51,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-14 10:47:51,944 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-14 10:47:51,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-11-14 10:47:52,216 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 22 treesize of output 10 [2021-11-14 10:47:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 10:47:52,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:47:53,160 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (< (select (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|)) c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 1))) (forall ((|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (<= c_~s_2~0 (select (select (store |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select |c_#memory_int| |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|)) c_~X_0~0.base) (+ c_~X_0~0.offset 4))))) is different from false [2021-11-14 10:47:53,940 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (< (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)))) (store .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse0 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset 4)) (+ c_~s_2~0 1))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (<= c_~s_2~0 (select (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)))) (store .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base) (+ c_~X_0~0.offset 4))))) is different from false [2021-11-14 10:48:05,064 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:48:05,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 105 [2021-11-14 10:48:05,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:48:05,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:48:05,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 10:48:05,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 3 [2021-11-14 10:48:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 1 not checked. [2021-11-14 10:48:06,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283863255] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:06,792 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:06,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21, 19] total 53 [2021-11-14 10:48:06,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707996259] [2021-11-14 10:48:06,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:06,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-14 10:48:06,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:06,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-14 10:48:06,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=2368, Unknown=8, NotChecked=198, Total=2756 [2021-11-14 10:48:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:06,794 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:06,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.716981132075472) internal successors, (409), 53 states have internal predecessors, (409), 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) [2021-11-14 10:48:06,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:06,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:06,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:06,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:06,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:10,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-14 10:48:10,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-14 10:48:10,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-14 10:48:10,971 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:10,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:10,971 INFO L85 PathProgramCache]: Analyzing trace with hash -798381697, now seen corresponding path program 3 times [2021-11-14 10:48:10,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:10,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009651965] [2021-11-14 10:48:10,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:10,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:11,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:48:11,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:11,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009651965] [2021-11-14 10:48:11,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009651965] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:11,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302191756] [2021-11-14 10:48:11,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 10:48:11,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:11,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:11,178 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:11,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-14 10:48:11,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-14 10:48:11,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:48:11,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-14 10:48:11,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:11,873 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 22 treesize of output 10 [2021-11-14 10:48:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:48:11,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:12,144 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:48:12,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2021-11-14 10:48:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 10:48:12,164 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:48:12,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2021-11-14 10:48:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:48:12,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302191756] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:12,419 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:12,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 10] total 22 [2021-11-14 10:48:12,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856347929] [2021-11-14 10:48:12,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:12,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-14 10:48:12,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-14 10:48:12,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-11-14 10:48:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:12,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:12,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.590909090909092) internal successors, (255), 22 states have internal predecessors, (255), 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) [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-14 10:48:12,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:13,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-14 10:48:13,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-14 10:48:13,509 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:13,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:13,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1170590824, now seen corresponding path program 6 times [2021-11-14 10:48:13,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:13,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537590849] [2021-11-14 10:48:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:13,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:13,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:13,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537590849] [2021-11-14 10:48:13,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537590849] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:13,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457096864] [2021-11-14 10:48:13,597 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 10:48:13,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:13,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:13,598 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:13,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-14 10:48:13,731 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-11-14 10:48:13,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:48:13,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-14 10:48:13,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-14 10:48:14,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-14 10:48:14,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457096864] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:14,236 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:14,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 19 [2021-11-14 10:48:14,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054823971] [2021-11-14 10:48:14,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:14,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-14 10:48:14,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:14,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-14 10:48:14,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2021-11-14 10:48:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:14,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:14,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.210526315789474) internal successors, (289), 19 states have internal predecessors, (289), 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) [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:14,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:14,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:14,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:14,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-14 10:48:14,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:14,773 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:14,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash -663701720, now seen corresponding path program 7 times [2021-11-14 10:48:14,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:14,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606350600] [2021-11-14 10:48:14,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:14,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:14,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:14,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606350600] [2021-11-14 10:48:14,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606350600] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:14,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331793305] [2021-11-14 10:48:14,878 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 10:48:14,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:14,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:14,879 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:14,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-14 10:48:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:14,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-14 10:48:14,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:15,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:15,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331793305] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:15,711 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:15,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2021-11-14 10:48:15,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581737185] [2021-11-14 10:48:15,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:15,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-14 10:48:15,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-14 10:48:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2021-11-14 10:48:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:15,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:15,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.333333333333334) internal successors, (252), 27 states have internal predecessors, (252), 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) [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:15,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:15,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:15,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-14 10:48:16,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-14 10:48:16,185 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:16,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1450763955, now seen corresponding path program 8 times [2021-11-14 10:48:16,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:16,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522306380] [2021-11-14 10:48:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:16,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:48:16,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:16,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522306380] [2021-11-14 10:48:16,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522306380] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:16,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721618422] [2021-11-14 10:48:16,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 10:48:16,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:16,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:16,891 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:16,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-14 10:48:17,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 10:48:17,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:48:17,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-14 10:48:17,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:17,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 10:48:17,870 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-14 10:48:17,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-11-14 10:48:18,096 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:48:18,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2021-11-14 10:48:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-14 10:48:18,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:19,410 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) c_~s_2~0)) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= c_~s_2~0 (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:48:32,480 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) (+ c_~s_2~0 c_~t_5~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (+ c_~s_2~0 c_~t_5~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:48:32,508 INFO L354 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2021-11-14 10:48:32,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 140 [2021-11-14 10:48:32,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:48:32,615 INFO L354 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2021-11-14 10:48:32,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 17 [2021-11-14 10:48:34,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2021-11-14 10:48:34,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721618422] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:34,463 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:34,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 21, 21] total 60 [2021-11-14 10:48:34,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600371403] [2021-11-14 10:48:34,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:34,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2021-11-14 10:48:34,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:34,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-11-14 10:48:34,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=3113, Unknown=13, NotChecked=226, Total=3540 [2021-11-14 10:48:34,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:34,465 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:34,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 7.4) internal successors, (444), 60 states have internal predecessors, (444), 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) [2021-11-14 10:48:34,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:34,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-14 10:48:37,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-14 10:48:37,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:37,422 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:37,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:37,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1722147058, now seen corresponding path program 9 times [2021-11-14 10:48:37,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:37,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16824146] [2021-11-14 10:48:37,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:37,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:37,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:37,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16824146] [2021-11-14 10:48:37,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16824146] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:37,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186422569] [2021-11-14 10:48:37,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 10:48:37,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:37,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:37,542 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:37,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-14 10:48:37,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-14 10:48:37,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:48:37,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-14 10:48:37,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:38,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:38,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186422569] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:38,497 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:38,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 35 [2021-11-14 10:48:38,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642936903] [2021-11-14 10:48:38,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:38,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-14 10:48:38,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-14 10:48:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2021-11-14 10:48:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:38,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:38,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.942857142857143) internal successors, (278), 35 states have internal predecessors, (278), 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) [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-14 10:48:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:48:39,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-11-14 10:48:39,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:39,731 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:39,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:39,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2141361230, now seen corresponding path program 10 times [2021-11-14 10:48:39,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:39,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227959546] [2021-11-14 10:48:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:39,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:39,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:39,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227959546] [2021-11-14 10:48:39,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227959546] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:39,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015448143] [2021-11-14 10:48:39,853 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 10:48:39,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:39,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:39,853 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:39,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-14 10:48:39,989 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 10:48:39,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:48:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-14 10:48:39,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:40,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 10:48:40,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015448143] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:40,826 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:40,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 35 [2021-11-14 10:48:40,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707774556] [2021-11-14 10:48:40,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:40,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-14 10:48:40,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:40,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-14 10:48:40,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2021-11-14 10:48:40,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:40,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:40,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.457142857142857) internal successors, (296), 35 states have internal predecessors, (296), 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) [2021-11-14 10:48:40,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:40,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:40,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:40,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:48:40,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:48:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:48:41,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-11-14 10:48:41,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:41,828 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:41,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:41,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2090466061, now seen corresponding path program 1 times [2021-11-14 10:48:41,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:41,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756245458] [2021-11-14 10:48:41,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:41,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:48:42,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:42,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756245458] [2021-11-14 10:48:42,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756245458] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:42,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920545635] [2021-11-14 10:48:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:42,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:42,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:42,274 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:42,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-14 10:48:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:42,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 105 conjunts are in the unsatisfiable core [2021-11-14 10:48:42,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:42,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 10:48:42,474 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 10:48:42,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-14 10:48:43,018 INFO L354 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2021-11-14 10:48:43,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 35 [2021-11-14 10:48:43,207 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-14 10:48:43,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 12 [2021-11-14 10:48:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 10:48:43,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:44,189 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (= c_~s_2~0 (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))))) is different from false [2021-11-14 10:48:52,876 INFO L354 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2021-11-14 10:48:52,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 140 [2021-11-14 10:48:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 1 not checked. [2021-11-14 10:48:53,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920545635] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:48:53,238 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:48:53,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 21] total 54 [2021-11-14 10:48:53,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241124057] [2021-11-14 10:48:53,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:48:53,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-14 10:48:53,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:48:53,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-14 10:48:53,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2572, Unknown=11, NotChecked=102, Total=2862 [2021-11-14 10:48:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:53,240 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:48:53,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.925925925925926) internal successors, (428), 54 states have internal predecessors, (428), 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) [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:53,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:48:53,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:48:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:48:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:48:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-14 10:48:56,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-14 10:48:56,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:56,199 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:48:56,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:48:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash -217459193, now seen corresponding path program 4 times [2021-11-14 10:48:56,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:48:56,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917300177] [2021-11-14 10:48:56,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:48:56,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:48:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:48:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:48:56,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:48:56,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917300177] [2021-11-14 10:48:56,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917300177] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:48:56,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779601768] [2021-11-14 10:48:56,661 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 10:48:56,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:48:56,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:48:56,663 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:48:56,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-14 10:48:56,754 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 10:48:56,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:48:56,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-14 10:48:56,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:48:56,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 10:48:56,874 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 10:48:56,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-14 10:48:57,518 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-14 10:48:57,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-14 10:48:57,716 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:48:57,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2021-11-14 10:48:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 10:48:57,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:48:58,739 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) c_~s_2~0)) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= c_~s_2~0 (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:49:09,023 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) (+ c_~s_2~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (+ c_~s_2~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:49:09,898 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) (+ c_~s_2~0 c_~t_4~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (+ c_~s_2~0 c_~t_4~0 (select (select |c_#memory_int| c_~X_0~0.base) (+ c_~X_0~0.offset (* c_~i_3~0 4) 4))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:49:09,925 INFO L354 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2021-11-14 10:49:09,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 140 [2021-11-14 10:49:10,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:49:10,056 INFO L354 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2021-11-14 10:49:10,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 17 [2021-11-14 10:49:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 6 not checked. [2021-11-14 10:49:11,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779601768] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:49:11,153 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:49:11,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 21] total 46 [2021-11-14 10:49:11,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920259623] [2021-11-14 10:49:11,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:49:11,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-14 10:49:11,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:49:11,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-14 10:49:11,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1663, Unknown=12, NotChecked=252, Total=2070 [2021-11-14 10:49:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:11,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:49:11,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.521739130434783) internal successors, (392), 46 states have internal predecessors, (392), 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) [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-14 10:49:11,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:14,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 10:49:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-14 10:49:14,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-14 10:49:14,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-14 10:49:14,478 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:49:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:49:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash -734086691, now seen corresponding path program 2 times [2021-11-14 10:49:14,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:49:14,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700845126] [2021-11-14 10:49:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:49:14,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:49:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:49:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:49:14,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:49:14,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700845126] [2021-11-14 10:49:14,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700845126] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:49:14,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132874701] [2021-11-14 10:49:14,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 10:49:14,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:49:14,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:49:14,945 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:49:14,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-14 10:49:15,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 10:49:15,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:49:15,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 108 conjunts are in the unsatisfiable core [2021-11-14 10:49:15,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:49:15,883 INFO L354 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2021-11-14 10:49:15,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-11-14 10:49:16,101 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-14 10:49:16,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 12 [2021-11-14 10:49:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:49:16,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:49:41,546 INFO L354 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2021-11-14 10:49:41,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 140 [2021-11-14 10:49:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:49:44,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132874701] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:49:44,558 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:49:44,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 33] total 76 [2021-11-14 10:49:44,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978115557] [2021-11-14 10:49:44,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:49:44,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2021-11-14 10:49:44,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:49:44,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-11-14 10:49:44,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=5329, Unknown=38, NotChecked=0, Total=5700 [2021-11-14 10:49:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:44,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:49:44,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.315789473684211) internal successors, (480), 76 states have internal predecessors, (480), 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) [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:49:44,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:49:44,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:49:44,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 10:49:44,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-14 10:49:44,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:49:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:49:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:49:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 10:49:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 10:49:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-14 10:49:48,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-14 10:49:48,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-14 10:49:48,531 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:49:48,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:49:48,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1907355741, now seen corresponding path program 3 times [2021-11-14 10:49:48,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:49:48,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008668140] [2021-11-14 10:49:48,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:49:48,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:49:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:49:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:49:48,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:49:48,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008668140] [2021-11-14 10:49:48,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008668140] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:49:48,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308451774] [2021-11-14 10:49:48,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 10:49:48,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:49:48,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:49:48,988 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:49:48,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-14 10:49:49,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-14 10:49:49,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:49:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 121 conjunts are in the unsatisfiable core [2021-11-14 10:49:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:49:50,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 10:49:50,282 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-14 10:49:50,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-11-14 10:49:50,590 INFO L354 Elim1Store]: treesize reduction 10, result has 81.1 percent of original size [2021-11-14 10:49:50,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 62 [2021-11-14 10:49:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 10:49:50,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:50:08,099 INFO L354 Elim1Store]: treesize reduction 94, result has 8.7 percent of original size [2021-11-14 10:50:08,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 445 treesize of output 245 [2021-11-14 10:50:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-14 10:50:11,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308451774] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:50:11,226 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:50:11,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 29] total 75 [2021-11-14 10:50:11,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226342011] [2021-11-14 10:50:11,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:50:11,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-11-14 10:50:11,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:50:11,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-11-14 10:50:11,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=5244, Unknown=4, NotChecked=0, Total=5550 [2021-11-14 10:50:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:11,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:50:11,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.373333333333333) internal successors, (478), 75 states have internal predecessors, (478), 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) [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:11,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-14 10:50:11,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-14 10:50:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-14 10:50:15,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-14 10:50:16,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:50:16,070 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:50:16,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:50:16,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1304780975, now seen corresponding path program 4 times [2021-11-14 10:50:16,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:50:16,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181751603] [2021-11-14 10:50:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:50:16,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:50:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:50:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:50:16,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:50:16,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181751603] [2021-11-14 10:50:16,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181751603] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:50:16,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781296731] [2021-11-14 10:50:16,533 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 10:50:16,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:50:16,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:50:16,533 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:50:16,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-14 10:50:16,627 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 10:50:16,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:50:16,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 109 conjunts are in the unsatisfiable core [2021-11-14 10:50:16,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:50:16,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 10:50:16,738 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 10:50:16,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-14 10:50:17,346 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-14 10:50:17,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 36 [2021-11-14 10:50:17,553 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:50:17,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2021-11-14 10:50:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 10:50:17,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:50:18,775 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) c_~s_2~0)) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= c_~s_2~0 (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:50:20,006 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4)))) (+ c_~s_2~0 c_~t_4~0))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int)) (<= (+ c_~s_2~0 c_~t_4~0) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)) c_~X_0~0.base))) (+ (select .cse1 (+ c_~X_0~0.offset 8)) (select .cse1 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:50:30,547 INFO L354 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2021-11-14 10:50:30,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 140 [2021-11-14 10:50:30,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-14 10:50:30,634 INFO L354 Elim1Store]: treesize reduction 82, result has 9.9 percent of original size [2021-11-14 10:50:30,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 17 [2021-11-14 10:50:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2021-11-14 10:50:32,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781296731] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:50:32,645 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:50:32,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 21] total 46 [2021-11-14 10:50:32,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852879281] [2021-11-14 10:50:32,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:50:32,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-14 10:50:32,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:50:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-14 10:50:32,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1741, Unknown=12, NotChecked=170, Total=2070 [2021-11-14 10:50:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:32,646 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:50:32,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 7.478260869565218) internal successors, (344), 46 states have internal predecessors, (344), 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) [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:50:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:50:32,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 10:50:32,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 10:50:32,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-14 10:50:32,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-14 10:50:32,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:37,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-14 10:50:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 10:50:37,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-11-14 10:50:38,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:50:38,005 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:50:38,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:50:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 911569127, now seen corresponding path program 11 times [2021-11-14 10:50:38,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:50:38,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571837046] [2021-11-14 10:50:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:50:38,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:50:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:50:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:50:38,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:50:38,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571837046] [2021-11-14 10:50:38,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571837046] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:50:38,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223627417] [2021-11-14 10:50:38,391 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 10:50:38,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:50:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:50:38,392 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:50:38,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-14 10:50:38,477 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-14 10:50:38,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:50:38,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 87 conjunts are in the unsatisfiable core [2021-11-14 10:50:38,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:50:39,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:50:39,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2021-11-14 10:50:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-14 10:50:39,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:50:39,636 INFO L354 Elim1Store]: treesize reduction 56, result has 48.6 percent of original size [2021-11-14 10:50:39,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 62 [2021-11-14 10:50:39,691 INFO L354 Elim1Store]: treesize reduction 100, result has 8.3 percent of original size [2021-11-14 10:50:39,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 18 [2021-11-14 10:50:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-14 10:50:39,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223627417] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 10:50:39,950 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 10:50:39,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 14] total 36 [2021-11-14 10:50:39,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946652018] [2021-11-14 10:50:39,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 10:50:39,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-14 10:50:39,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:50:39,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-14 10:50:39,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2021-11-14 10:50:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:39,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:50:39,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.13888888888889) internal successors, (293), 36 states have internal predecessors, (293), 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) [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:39,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 10:50:39,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 10:50:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-14 10:50:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-14 10:50:41,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 10:50:41,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-14 10:50:41,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-14 10:50:41,510 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 10:50:41,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:50:41,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2110717893, now seen corresponding path program 5 times [2021-11-14 10:50:41,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:50:41,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992540568] [2021-11-14 10:50:41,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:50:41,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:50:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:50:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:50:42,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:50:42,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992540568] [2021-11-14 10:50:42,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992540568] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 10:50:42,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145014117] [2021-11-14 10:50:42,137 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 10:50:42,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 10:50:42,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:50:42,137 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 10:50:42,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-14 10:50:42,220 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-14 10:50:42,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 10:50:42,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 96 conjunts are in the unsatisfiable core [2021-11-14 10:50:42,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 10:50:42,931 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 10:50:42,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-14 10:50:42,974 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 10:50:42,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-14 10:50:43,474 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 10:50:43,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2021-11-14 10:50:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-14 10:50:43,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 10:50:51,919 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse0 (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)))) (store .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base))) (<= (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4))) (+ (select .cse0 (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)) c_~s_2~0)))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse2 (select (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)))) (store .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base))) (<= (+ (select .cse2 (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)) c_~s_2~0) (+ (select .cse2 (+ c_~X_0~0.offset 8)) (select .cse2 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:50:53,166 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse0 (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)))) (store .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse1 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base))) (<= (+ (select .cse0 (+ c_~X_0~0.offset 8)) (select .cse0 (+ c_~X_0~0.offset 4))) (+ (select .cse0 (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)) c_~s_2~0 c_~t_4~0)))) (forall ((|ULTIMATE.start_main_~#t4~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre30#1| Int) (|thread1Thread1of1ForFork3_~#t3~0.offset| Int) (|thread1Thread1of1ForFork3_#t~pre11| Int)) (let ((.cse2 (select (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base|) |ULTIMATE.start_main_~#t4~0#1.offset| |ULTIMATE.start_main_#t~pre30#1|)))) (store .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base| (store (select .cse3 |c_thread1Thread1of1ForFork3_~#t3~0.base|) |thread1Thread1of1ForFork3_~#t3~0.offset| |thread1Thread1of1ForFork3_#t~pre11|))) c_~X_0~0.base))) (<= (+ (select .cse2 (+ c_~X_0~0.offset (* c_~i_3~0 4) 4)) c_~s_2~0 c_~t_4~0) (+ (select .cse2 (+ c_~X_0~0.offset 8)) (select .cse2 (+ c_~X_0~0.offset 4))))))) is different from false [2021-11-14 10:50:53,203 INFO L354 Elim1Store]: treesize reduction 48, result has 47.3 percent of original size [2021-11-14 10:50:53,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3005 treesize of output 2135 Received shutdown request... [2021-11-14 11:00:15,207 WARN L243 SmtUtils]: Removed 1 from assertion stack [2021-11-14 11:00:15,209 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-14 11:00:15,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-14 11:00:15,230 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 11:00:15,244 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 11:00:15,244 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 11:00:15,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-14 11:00:15,410 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 186 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 8ms.. [2021-11-14 11:00:15,411 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-14 11:00:15,411 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 3 remaining) [2021-11-14 11:00:15,416 INFO L732 BasicCegarLoop]: Path program histogram: [11, 5, 4, 2, 2, 1, 1, 1, 1] [2021-11-14 11:00:15,417 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT,TIMEOUT (1/2) [2021-11-14 11:00:15,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 11:00:15,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:00:15,425 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 11:00:15,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2021-11-14 11:00:15,426 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 11:00:15,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork3 ======== [2021-11-14 11:00:15,432 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 [2021-11-14 11:00:15,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 11:00:15,432 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2021-11-14 11:00:15,432 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork3Err3INUSE_VIOLATION (1 of 2 remaining) [2021-11-14 11:00:15,432 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork3Err4INUSE_VIOLATION (0 of 2 remaining) [2021-11-14 11:00:15,433 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-14 11:00:15,433 INFO L308 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork3 was TIMEOUT,TIMEOUT (2/2) [2021-11-14 11:00:15,434 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 11:00:15,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 11:00:15,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 11:00:15 BasicIcfg [2021-11-14 11:00:15,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 11:00:15,436 INFO L158 Benchmark]: Toolchain (without parser) took 784527.27ms. Allocated memory was 369.1MB in the beginning and 1.3GB in the end (delta: 914.4MB). Free memory was 315.9MB in the beginning and 515.4MB in the end (delta: -199.5MB). Peak memory consumption was 716.3MB. Max. memory is 16.0GB. [2021-11-14 11:00:15,436 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 369.1MB. Free memory is still 331.8MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 11:00:15,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.84ms. Allocated memory was 369.1MB in the beginning and 499.1MB in the end (delta: 130.0MB). Free memory was 315.7MB in the beginning and 471.6MB in the end (delta: -155.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.0GB. [2021-11-14 11:00:15,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.80ms. Allocated memory is still 499.1MB. Free memory was 471.6MB in the beginning and 469.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 11:00:15,437 INFO L158 Benchmark]: Boogie Preprocessor took 23.14ms. Allocated memory is still 499.1MB. Free memory was 469.5MB in the beginning and 467.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 11:00:15,437 INFO L158 Benchmark]: RCFGBuilder took 574.60ms. Allocated memory is still 499.1MB. Free memory was 467.0MB in the beginning and 432.8MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2021-11-14 11:00:15,437 INFO L158 Benchmark]: TraceAbstraction took 783681.12ms. Allocated memory was 499.1MB in the beginning and 1.3GB in the end (delta: 784.3MB). Free memory was 431.7MB in the beginning and 515.4MB in the end (delta: -83.7MB). Peak memory consumption was 701.7MB. Max. memory is 16.0GB. [2021-11-14 11:00:15,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 369.1MB. Free memory is still 331.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 212.84ms. Allocated memory was 369.1MB in the beginning and 499.1MB in the end (delta: 130.0MB). Free memory was 315.7MB in the beginning and 471.6MB in the end (delta: -155.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 31.80ms. Allocated memory is still 499.1MB. Free memory was 471.6MB in the beginning and 469.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.14ms. Allocated memory is still 499.1MB. Free memory was 469.5MB in the beginning and 467.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 574.60ms. Allocated memory is still 499.1MB. Free memory was 467.0MB in the beginning and 432.8MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 783681.12ms. Allocated memory was 499.1MB in the beginning and 1.3GB in the end (delta: 784.3MB). Free memory was 431.7MB in the beginning and 515.4MB in the end (delta: -83.7MB). Peak memory consumption was 701.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 388203, positive: 361873, positive conditional: 357373, positive unconditional: 4500, negative: 26330, negative conditional: 26278, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 365199, positive: 361873, positive conditional: 357373, positive unconditional: 4500, negative: 3326, negative conditional: 3274, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 365199, positive: 361873, positive conditional: 357373, positive unconditional: 4500, negative: 3326, negative conditional: 3274, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414263, positive: 361873, positive conditional: 356942, positive unconditional: 4931, negative: 52390, negative conditional: 49064, negative unconditional: 3326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 414263, positive: 361873, positive conditional: 94126, positive unconditional: 267747, negative: 52390, negative conditional: 16222, negative unconditional: 36168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414263, positive: 361873, positive conditional: 94126, positive unconditional: 267747, negative: 52390, negative conditional: 16222, negative unconditional: 36168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4861, positive: 4489, positive conditional: 229, positive unconditional: 4260, negative: 372, negative conditional: 320, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4861, positive: 4386, positive conditional: 0, positive unconditional: 4386, negative: 475, negative conditional: 0, negative unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 475, positive: 103, positive conditional: 97, positive unconditional: 6, negative: 372, negative conditional: 320, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 847, positive: 238, positive conditional: 233, positive unconditional: 5, negative: 609, negative conditional: 476, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 414263, positive: 357384, positive conditional: 93897, positive unconditional: 263487, negative: 52018, negative conditional: 15902, negative unconditional: 36116, unknown: 4861, unknown conditional: 549, unknown unconditional: 4312] , Statistics on independence cache: Total cache size (in pairs): 4861, Positive cache size: 4489, Positive conditional cache size: 229, Positive unconditional cache size: 4260, Negative cache size: 372, Negative conditional cache size: 320, Negative unconditional cache size: 52, Eliminated conditions: 295658, Maximal queried relation: 26, Independence queries for same thread: 23004 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 410.16ms, Number of persistent set computation: 3974, Number of trivial persistent sets: 3021, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4552, positive: 4500, positive conditional: 0, positive unconditional: 4500, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 388203, positive: 361873, positive conditional: 357373, positive unconditional: 4500, negative: 26330, negative conditional: 26278, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 365199, positive: 361873, positive conditional: 357373, positive unconditional: 4500, negative: 3326, negative conditional: 3274, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 365199, positive: 361873, positive conditional: 357373, positive unconditional: 4500, negative: 3326, negative conditional: 3274, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414263, positive: 361873, positive conditional: 356942, positive unconditional: 4931, negative: 52390, negative conditional: 49064, negative unconditional: 3326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 414263, positive: 361873, positive conditional: 94126, positive unconditional: 267747, negative: 52390, negative conditional: 16222, negative unconditional: 36168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 414263, positive: 361873, positive conditional: 94126, positive unconditional: 267747, negative: 52390, negative conditional: 16222, negative unconditional: 36168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4861, positive: 4489, positive conditional: 229, positive unconditional: 4260, negative: 372, negative conditional: 320, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4861, positive: 4386, positive conditional: 0, positive unconditional: 4386, negative: 475, negative conditional: 0, negative unconditional: 475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 475, positive: 103, positive conditional: 97, positive unconditional: 6, negative: 372, negative conditional: 320, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 847, positive: 238, positive conditional: 233, positive unconditional: 5, negative: 609, negative conditional: 476, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 414263, positive: 357384, positive conditional: 93897, positive unconditional: 263487, negative: 52018, negative conditional: 15902, negative unconditional: 36116, unknown: 4861, unknown conditional: 549, unknown unconditional: 4312] , Statistics on independence cache: Total cache size (in pairs): 4861, Positive cache size: 4489, Positive conditional cache size: 229, Positive unconditional cache size: 4260, Negative cache size: 372, Negative conditional cache size: 320, Negative unconditional cache size: 52, Eliminated conditions: 295658, Maximal queried relation: 26, Independence queries for same thread: 23004 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.00ms, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 186 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 8ms.. - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 186 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 8ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 186 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 8ms.. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 243 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 783.5s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 38.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 674, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 163.1s InterpolantComputationTime, 8707 NumberOfCodeBlocks, 8661 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 12687 ConstructedInterpolants, 261 QuantifiedInterpolants, 103430 SizeOfPredicates, 659 NumberOfNonLiveVariables, 10202 ConjunctsInSsa, 1270 ConjunctsInUnsatCore, 73 InterpolantComputations, 6 PerfectInterpolantSequences, 648/1532 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork3 with 1 thread instances CFG has 9 procedures, 243 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown