/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/pthread-lit/sssc12_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 08:21:19,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 08:21:19,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 08:21:19,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 08:21:19,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 08:21:19,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 08:21:19,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 08:21:19,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 08:21:19,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 08:21:19,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 08:21:19,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 08:21:19,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 08:21:19,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 08:21:19,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 08:21:19,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 08:21:19,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 08:21:19,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 08:21:19,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 08:21:19,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 08:21:19,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 08:21:19,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 08:21:19,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 08:21:19,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 08:21:19,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 08:21:19,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 08:21:19,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 08:21:19,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 08:21:19,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 08:21:19,627 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 08:21:19,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 08:21:19,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 08:21:19,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 08:21:19,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 08:21:19,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 08:21:19,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 08:21:19,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 08:21:19,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 08:21:19,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 08:21:19,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:21:19,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 08:21:19,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 08:21:19,652 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 08:21:19,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 08:21:19,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 08:21:19,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 08:21:19,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 08:21:19,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 08:21:19,845 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 08:21:19,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2021-11-14 08:21:19,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9574c46ea/9e329022d1324555ba7196d6a196960c/FLAG37f90f9e2 [2021-11-14 08:21:20,298 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 08:21:20,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2021-11-14 08:21:20,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9574c46ea/9e329022d1324555ba7196d6a196960c/FLAG37f90f9e2 [2021-11-14 08:21:20,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9574c46ea/9e329022d1324555ba7196d6a196960c [2021-11-14 08:21:20,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 08:21:20,347 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 08:21:20,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 08:21:20,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 08:21:20,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 08:21:20,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d97493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20, skipping insertion in model container [2021-11-14 08:21:20,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 08:21:20,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 08:21:20,760 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-14 08:21:20,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:21:20,785 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 08:21:20,817 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2021-11-14 08:21:20,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 08:21:20,860 INFO L208 MainTranslator]: Completed translation [2021-11-14 08:21:20,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20 WrapperNode [2021-11-14 08:21:20,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 08:21:20,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 08:21:20,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 08:21:20,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 08:21:20,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 08:21:20,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 08:21:20,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 08:21:20,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 08:21:20,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 08:21:20,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 08:21:20,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 08:21:20,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 08:21:20,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (1/1) ... [2021-11-14 08:21:20,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 08:21:20,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:20,981 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 08:21:20,988 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 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-11-14 08:21:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-14 08:21:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 08:21:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 08:21:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 08:21:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 08:21:21,011 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 08:21:21,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 08:21:21,223 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-14 08:21:21,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:21:21 BoogieIcfgContainer [2021-11-14 08:21:21,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 08:21:21,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 08:21:21,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 08:21:21,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 08:21:21,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:21:20" (1/3) ... [2021-11-14 08:21:21,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45903e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:21:21, skipping insertion in model container [2021-11-14 08:21:21,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:20" (2/3) ... [2021-11-14 08:21:21,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45903e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:21:21, skipping insertion in model container [2021-11-14 08:21:21,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:21:21" (3/3) ... [2021-11-14 08:21:21,230 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2021-11-14 08:21:21,233 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 08:21:21,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 08:21:21,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 08:21:21,233 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 08:21:21,260 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,261 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,262 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,263 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,263 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,263 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,263 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,263 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,264 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,267 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,267 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,267 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,268 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,268 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,268 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,268 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,268 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,268 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,269 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,270 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,270 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,270 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,270 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,270 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,270 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,271 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,271 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,271 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,271 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,271 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,271 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,272 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,273 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,274 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,274 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,274 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,274 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,274 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,276 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,276 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,276 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,276 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,276 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,276 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,277 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,277 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,277 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,277 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,277 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:21,278 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 08:21:21,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 08:21:21,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:21,311 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 08:21:21,311 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 08:21:21,352 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 08:21:21,360 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 08:21:21,360 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 08:21:21,467 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:21:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:21,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1398713766, now seen corresponding path program 1 times [2021-11-14 08:21:21,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:21,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934427707] [2021-11-14 08:21:21,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:21,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-14 08:21:21,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:21,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934427707] [2021-11-14 08:21:21,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934427707] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:21,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:21,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 08:21:21,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067672564] [2021-11-14 08:21:21,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:21,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 08:21:21,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:21,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 08:21:21,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 08:21:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:21,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:21,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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 08:21:21,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:21,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:21,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 08:21:21,746 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:21:21,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:21,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1084832613, now seen corresponding path program 1 times [2021-11-14 08:21:21,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:21,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348906894] [2021-11-14 08:21:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:21,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:21:21,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:21,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348906894] [2021-11-14 08:21:21,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348906894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:21,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:21,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 08:21:21,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467126467] [2021-11-14 08:21:21,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:21,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 08:21:21,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:21,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 08:21:21,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 08:21:21,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:21,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:21,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 08:21:21,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:21,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:22,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 08:21:22,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:21:22,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,047 INFO L85 PathProgramCache]: Analyzing trace with hash 159761835, now seen corresponding path program 1 times [2021-11-14 08:21:22,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200508268] [2021-11-14 08:21:22,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:21:22,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:22,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200508268] [2021-11-14 08:21:22,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200508268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:22,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:22,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 08:21:22,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933990547] [2021-11-14 08:21:22,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:22,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 08:21:22,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:22,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 08:21:22,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 08:21:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:22,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 08:21:22,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:22,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 08:21:22,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 08:21:22,265 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 08:21:22,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1142311927, now seen corresponding path program 1 times [2021-11-14 08:21:22,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164786029] [2021-11-14 08:21:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 08:21:22,292 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-14 08:21:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-14 08:21:22,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-14 08:21:22,324 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-14 08:21:22,325 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2021-11-14 08:21:22,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 08:21:22,331 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-14 08:21:22,332 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-11-14 08:21:22,332 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-14 08:21:22,332 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-14 08:21:22,340 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,340 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,340 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,341 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,342 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,343 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,344 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,345 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,346 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,347 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,348 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,349 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,350 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,351 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,352 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,353 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,354 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,355 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,355 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,355 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,355 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,355 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,356 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,357 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 08:21:22,358 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 08:21:22,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 08:21:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:22,364 INFO L229 MonitoredProcess]: Starting monitored process 3 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 08:21:22,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-14 08:21:22,430 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2021-11-14 08:21:22,431 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 08:21:22,431 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 08:21:22,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:22,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,504 INFO L85 PathProgramCache]: Analyzing trace with hash -834796945, now seen corresponding path program 1 times [2021-11-14 08:21:22,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273850699] [2021-11-14 08:21:22,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-14 08:21:22,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:22,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273850699] [2021-11-14 08:21:22,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273850699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:22,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:22,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 08:21:22,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708506414] [2021-11-14 08:21:22,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:22,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 08:21:22,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:22,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 08:21:22,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 08:21:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:22,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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 08:21:22,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 08:21:22,536 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:22,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2145371913, now seen corresponding path program 1 times [2021-11-14 08:21:22,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147314940] [2021-11-14 08:21:22,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-14 08:21:22,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:22,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147314940] [2021-11-14 08:21:22,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147314940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:22,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:22,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 08:21:22,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227776799] [2021-11-14 08:21:22,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:22,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 08:21:22,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:22,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 08:21:22,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 08:21:22,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:22,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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 08:21:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:22,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-14 08:21:22,681 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:22,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1649748596, now seen corresponding path program 1 times [2021-11-14 08:21:22,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474306226] [2021-11-14 08:21:22,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-14 08:21:22,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:22,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474306226] [2021-11-14 08:21:22,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474306226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:22,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:22,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 08:21:22,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149726416] [2021-11-14 08:21:22,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:22,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 08:21:22,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:22,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 08:21:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-14 08:21:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:22,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 08:21:22,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:22,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:22,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:22,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-14 08:21:22,791 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:22,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,791 INFO L85 PathProgramCache]: Analyzing trace with hash -494400955, now seen corresponding path program 1 times [2021-11-14 08:21:22,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137659854] [2021-11-14 08:21:22,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-14 08:21:22,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:22,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137659854] [2021-11-14 08:21:22,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137659854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:21:22,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:21:22,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 08:21:22,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665799605] [2021-11-14 08:21:22,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:21:22,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 08:21:22,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:22,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 08:21:22,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 08:21:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,837 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:22,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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 08:21:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:22,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:22,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 08:21:22,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-14 08:21:22,926 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:22,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:22,926 INFO L85 PathProgramCache]: Analyzing trace with hash -795083145, now seen corresponding path program 1 times [2021-11-14 08:21:22,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:22,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75977000] [2021-11-14 08:21:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 08:21:22,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:22,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75977000] [2021-11-14 08:21:22,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75977000] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:21:22,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719864122] [2021-11-14 08:21:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:22,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:21:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:23,019 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 08:21:23,082 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 08:21:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:23,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 08:21:23,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:21:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 08:21:23,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:21:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 08:21:23,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719864122] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:21:23,618 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:21:23,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2021-11-14 08:21:23,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573086840] [2021-11-14 08:21:23,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:21:23,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-14 08:21:23,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:23,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-14 08:21:23,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-14 08:21:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:23,619 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:23,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.363636363636363) internal successors, (202), 11 states have internal predecessors, (202), 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 08:21:23,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:23,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:23,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:23,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 08:21:23,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:21:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:21:23,850 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 08:21:24,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:21:24,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:24,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash -304586149, now seen corresponding path program 1 times [2021-11-14 08:21:24,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:24,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164884334] [2021-11-14 08:21:24,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-14 08:21:24,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:24,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164884334] [2021-11-14 08:21:24,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164884334] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:21:24,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502758320] [2021-11-14 08:21:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:24,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:21:24,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:24,224 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 08:21:24,225 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 08:21:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:24,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-14 08:21:24,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:21:24,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:21:24,623 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:21:24,623 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 32 treesize of output 31 [2021-11-14 08:21:24,664 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:21:24,664 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 39 treesize of output 15 [2021-11-14 08:21:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 10 proven. 63 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-14 08:21:24,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:21:24,724 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 25 treesize of output 23 [2021-11-14 08:21:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 10 proven. 69 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-14 08:21:25,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502758320] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:21:25,049 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:21:25,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 28 [2021-11-14 08:21:25,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987299679] [2021-11-14 08:21:25,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:21:25,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-14 08:21:25,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:25,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-14 08:21:25,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-11-14 08:21:25,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:25,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:25,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.25) internal successors, (259), 28 states have internal predecessors, (259), 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 08:21:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:21:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:21:25,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:21:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:21:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:21:25,476 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 08:21:25,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:21:25,675 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:25,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1014313143, now seen corresponding path program 2 times [2021-11-14 08:21:25,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:25,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866867072] [2021-11-14 08:21:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:25,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-14 08:21:25,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:25,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866867072] [2021-11-14 08:21:25,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866867072] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:21:25,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144975247] [2021-11-14 08:21:25,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:21:25,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:21:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:25,928 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 08:21:25,929 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 08:21:25,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:21:25,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:21:25,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-14 08:21:26,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:21:26,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:21:26,285 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 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-14 08:21:26,295 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:21:26,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 38 [2021-11-14 08:21:26,338 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-14 08:21:26,338 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 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-14 08:21:26,510 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-14 08:21:26,511 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 48 treesize of output 58 [2021-11-14 08:21:26,585 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-14 08:21:26,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-14 08:21:26,877 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-14 08:21:26,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-14 08:21:27,116 INFO L354 Elim1Store]: treesize reduction 72, result has 25.8 percent of original size [2021-11-14 08:21:27,117 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 87 treesize of output 71 [2021-11-14 08:21:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 10 proven. 175 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-14 08:21:27,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:21:27,539 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) is different from false [2021-11-14 08:21:39,379 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))))) is different from false [2021-11-14 08:21:41,042 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) is different from false [2021-11-14 08:21:41,076 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 50 treesize of output 48 [2021-11-14 08:21:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 10 proven. 68 refuted. 9 times theorem prover too weak. 54 trivial. 98 not checked. [2021-11-14 08:21:42,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144975247] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:21:42,193 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:21:42,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19, 17] total 38 [2021-11-14 08:21:42,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296154133] [2021-11-14 08:21:42,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:21:42,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-14 08:21:42,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:21:42,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-14 08:21:42,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1001, Unknown=29, NotChecked=204, Total=1406 [2021-11-14 08:21:42,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:42,195 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:21:42,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.578947368421053) internal successors, (326), 38 states have internal predecessors, (326), 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 08:21:42,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:42,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:42,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:42,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:21:42,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:21:42,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:21:42,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:45,237 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:21:46,999 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:21:47,486 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 0) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|))) is different from false [2021-11-14 08:21:49,492 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))))) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|))) is different from false [2021-11-14 08:21:49,913 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (exists ((|v_thrThread1of2ForFork0_~c~0#1_39| Int)) (and (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_39| 1)) (= (select (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_39| 4) c_~data~0.offset)) 1) (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_39|) |c_thrThread2of2ForFork0_~c~0#1|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-14 08:21:50,392 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int)) (or (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (< (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (exists ((|v_thrThread1of2ForFork0_~c~0#1_39| Int) (|v_thrThread1of2ForFork0_~c~0#1_40| Int) (|thrThread1of2ForFork0_~c~0#1| Int)) (let ((.cse1 (* 4 |thrThread1of2ForFork0_~c~0#1|)) (.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= |thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_40| 1)) (<= |v_thrThread1of2ForFork0_~c~0#1_40| (+ |v_thrThread1of2ForFork0_~c~0#1_39| 1)) (= (select .cse0 (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4))) 0) (or (= (select .cse0 (+ (* |v_thrThread1of2ForFork0_~c~0#1_39| 4) c_~data~0.offset)) 1) (= .cse1 (* 4 |v_thrThread1of2ForFork0_~c~0#1_39|))) (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_39|) |c_thrThread2of2ForFork0_~c~0#1|) (or (= .cse1 (* 4 |v_thrThread1of2ForFork0_~c~0#1_40|)) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_40| 4))) 1)))))) is different from false [2021-11-14 08:21:50,775 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int)) (or (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (< (+ 3 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:21:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:21:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:21:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:21:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:21:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:21:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:21:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-14 08:21:50,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-14 08:21:51,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-14 08:21:51,015 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:21:51,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:21:51,015 INFO L85 PathProgramCache]: Analyzing trace with hash -419525650, now seen corresponding path program 3 times [2021-11-14 08:21:51,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:21:51,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518442234] [2021-11-14 08:21:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:21:51,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:21:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:21:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 443 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-14 08:21:51,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:21:51,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518442234] [2021-11-14 08:21:51,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518442234] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:21:51,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769971427] [2021-11-14 08:21:51,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 08:21:51,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:21:51,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:21:51,506 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 08:21:51,507 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 08:21:51,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-14 08:21:51,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:21:51,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-14 08:21:51,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:21:52,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:21:52,209 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 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-14 08:21:52,217 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:21:52,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 38 [2021-11-14 08:21:52,257 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-14 08:21:52,257 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 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-14 08:21:52,419 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-14 08:21:52,420 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 48 treesize of output 58 [2021-11-14 08:21:52,498 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-14 08:21:52,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-14 08:21:52,806 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-14 08:21:52,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-14 08:21:53,031 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-14 08:21:53,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-14 08:21:53,647 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-14 08:21:53,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-14 08:21:54,201 INFO L354 Elim1Store]: treesize reduction 244, result has 30.1 percent of original size [2021-11-14 08:21:54,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 115 treesize of output 175 [2021-11-14 08:21:55,165 INFO L354 Elim1Store]: treesize reduction 323, result has 20.0 percent of original size [2021-11-14 08:21:55,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 92 treesize of output 127 [2021-11-14 08:21:58,232 INFO L354 Elim1Store]: treesize reduction 368, result has 24.1 percent of original size [2021-11-14 08:21:58,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 127 treesize of output 190 [2021-11-14 08:21:59,141 INFO L354 Elim1Store]: treesize reduction 448, result has 17.2 percent of original size [2021-11-14 08:21:59,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 104 treesize of output 142 [2021-11-14 08:22:00,423 INFO L354 Elim1Store]: treesize reduction 312, result has 10.6 percent of original size [2021-11-14 08:22:00,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 135 treesize of output 105 [2021-11-14 08:22:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 10 proven. 433 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-14 08:22:00,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:22:01,177 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (select |c_#memory_int| c_~data~0.base) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_59|))) is different from false [2021-11-14 08:22:01,818 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_59|))) is different from false [2021-11-14 08:22:03,847 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) is different from false [2021-11-14 08:22:06,046 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) is different from false [2021-11-14 08:22:08,120 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_61| Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|))) is different from false [2021-11-14 08:22:10,604 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) is different from false [2021-11-14 08:22:10,734 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 78 treesize of output 76 [2021-11-14 08:22:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 10 proven. 175 refuted. 0 times theorem prover too weak. 54 trivial. 258 not checked. [2021-11-14 08:22:11,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769971427] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:22:11,111 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:22:11,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 28, 23] total 56 [2021-11-14 08:22:11,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453999928] [2021-11-14 08:22:11,111 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:22:11,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-11-14 08:22:11,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:22:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-11-14 08:22:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=2102, Unknown=7, NotChecked=606, Total=3080 [2021-11-14 08:22:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:11,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:22:11,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.75) internal successors, (434), 56 states have internal predecessors, (434), 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 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-14 08:22:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:12,244 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:13,345 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:15,349 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:16,146 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 0) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|))) is different from false [2021-11-14 08:22:18,152 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_61| Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|))) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|))) is different from false [2021-11-14 08:22:20,166 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread1of2ForFork0_~c~0#1_52| Int)) (and (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_52|) |c_thrThread2of2ForFork0_~c~0#1|) (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_52| 1)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_52| 4))) 1)))) is different from false [2021-11-14 08:22:21,205 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (exists ((|v_thrThread1of2ForFork0_~c~0#1_52| Int)) (and (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_52|) |c_thrThread2of2ForFork0_~c~0#1|) (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_52| 1)) (or (= (* 4 |c_thrThread1of2ForFork0_~c~0#1|) (* 4 |v_thrThread1of2ForFork0_~c~0#1_52|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_52| 4))) 1)))) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-14 08:22:23,224 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (= (select (let ((.cse1 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse1 c_~data~0.offset) 1) (+ .cse1 c_~data~0.offset 4) 1) (+ .cse1 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (exists ((|v_thrThread1of2ForFork0_~c~0#1_52| Int)) (and (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_52|) |c_thrThread2of2ForFork0_~c~0#1|) (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_52| 1)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_52| 4))) 1))))) is different from false [2021-11-14 08:22:23,960 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_59|))) (exists ((|v_thrThread1of2ForFork0_~c~0#1_52| Int) (|v_thrThread1of2ForFork0_~c~0#1_53| Int)) (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_52|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_53| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_52| 4))) 1) (<= |v_thrThread1of2ForFork0_~c~0#1_53| (+ |v_thrThread1of2ForFork0_~c~0#1_52| 1)) (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_53| 1))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-14 08:22:24,689 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_59|))) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse1 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 0) (exists ((|v_thrThread1of2ForFork0_~c~0#1_52| Int) (|v_thrThread1of2ForFork0_~c~0#1_53| Int)) (let ((.cse2 (* 4 |c_thrThread1of2ForFork0_~c~0#1|)) (.cse3 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_52|) |c_thrThread2of2ForFork0_~c~0#1|) (or (= .cse2 (* 4 |v_thrThread1of2ForFork0_~c~0#1_53|)) (= (select .cse3 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_53| 4))) 1)) (<= |v_thrThread1of2ForFork0_~c~0#1_53| (+ |v_thrThread1of2ForFork0_~c~0#1_52| 1)) (or (= .cse2 (* 4 |v_thrThread1of2ForFork0_~c~0#1_52|)) (= (select .cse3 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_52| 4))) 1)) (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_53| 1))))))) is different from false [2021-11-14 08:22:25,399 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread1of2ForFork0_~c~0#1_52| Int) (|v_thrThread1of2ForFork0_~c~0#1_53| Int)) (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (<= (+ 8 |v_thrThread1of2ForFork0_~c~0#1_52|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_53| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_52| 4))) 1) (<= |v_thrThread1of2ForFork0_~c~0#1_53| (+ |v_thrThread1of2ForFork0_~c~0#1_52| 1)) (<= |c_thrThread1of2ForFork0_~c~0#1| (+ |v_thrThread1of2ForFork0_~c~0#1_53| 1))))) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int)) (or (= (select (let ((.cse1 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (select |c_#memory_int| c_~data~0.base) (+ .cse1 c_~data~0.offset) 1) (+ .cse1 c_~data~0.offset 4) 1) (+ .cse1 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_59|))) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse2 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-14 08:22:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-14 08:22:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-14 08:22:25,573 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 08:22:25,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:22:25,767 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:22:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:22:25,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2003802643, now seen corresponding path program 4 times [2021-11-14 08:22:25,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:22:25,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338960311] [2021-11-14 08:22:25,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:22:25,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:22:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:22:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 718 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:22:25,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:22:25,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338960311] [2021-11-14 08:22:25,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338960311] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:22:25,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372765820] [2021-11-14 08:22:25,943 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 08:22:25,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:22:25,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:22:25,944 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 08:22:25,963 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 08:22:26,046 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 08:22:26,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:22:26,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-14 08:22:26,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:22:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 849 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-14 08:22:26,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 08:22:26,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372765820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:22:26,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 08:22:26,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [17] total 19 [2021-11-14 08:22:26,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523446421] [2021-11-14 08:22:26,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:22:26,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-14 08:22:26,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:22:26,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-14 08:22:26,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2021-11-14 08:22:26,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:26,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:22:26,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.857142857142858) internal successors, (250), 14 states have internal predecessors, (250), 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 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-14 08:22:26,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:27,687 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:28,832 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-14 08:22:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 08:22:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-14 08:22:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:29,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-14 08:22:29,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:22:29,629 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:22:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:22:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1128583224, now seen corresponding path program 5 times [2021-11-14 08:22:29,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:22:29,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620850373] [2021-11-14 08:22:29,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:22:29,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:22:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:22:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-14 08:22:29,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:22:29,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620850373] [2021-11-14 08:22:29,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620850373] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:22:29,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134896000] [2021-11-14 08:22:29,858 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 08:22:29,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:22:29,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:22:29,859 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 08:22:29,859 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 08:22:32,164 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-11-14 08:22:32,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:22:32,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-14 08:22:32,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:22:32,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:22:32,689 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:22:32,689 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 27 treesize of output 26 [2021-11-14 08:22:32,720 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-14 08:22:32,721 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 2 case distinctions, treesize of input 43 treesize of output 34 [2021-11-14 08:22:32,819 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:22:32,819 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 39 treesize of output 15 [2021-11-14 08:22:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 19 proven. 568 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-11-14 08:22:32,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:22:32,925 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 25 treesize of output 23 [2021-11-14 08:22:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-11-14 08:22:33,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134896000] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 08:22:33,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 08:22:33,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18, 17] total 27 [2021-11-14 08:22:33,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274994931] [2021-11-14 08:22:33,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:22:33,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 08:22:33,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:22:33,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 08:22:33,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2021-11-14 08:22:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:33,182 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:22:33,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:22:33,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:33,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-14 08:22:33,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-14 08:22:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-14 08:22:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:33,512 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 08:22:33,675 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,SelfDestructingSolverStorable13 [2021-11-14 08:22:33,675 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:22:33,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:22:33,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2091323622, now seen corresponding path program 6 times [2021-11-14 08:22:33,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:22:33,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710868623] [2021-11-14 08:22:33,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:22:33,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:22:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:22:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-14 08:22:33,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:22:33,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710868623] [2021-11-14 08:22:33,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710868623] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:22:33,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703667970] [2021-11-14 08:22:33,877 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 08:22:33,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:22:33,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:22:33,878 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 08:22:33,892 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 08:22:34,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-11-14 08:22:34,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:22:34,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-14 08:22:34,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:22:34,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:22:34,742 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:22:34,742 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 32 treesize of output 31 [2021-11-14 08:22:34,778 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:22:34,778 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 39 treesize of output 15 [2021-11-14 08:22:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 394 proven. 248 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-14 08:22:34,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:22:34,886 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 25 treesize of output 23 [2021-11-14 08:22:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 394 proven. 248 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-14 08:22:35,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703667970] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:22:35,385 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:22:35,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 15] total 35 [2021-11-14 08:22:35,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310606752] [2021-11-14 08:22:35,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:22:35,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-14 08:22:35,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:22:35,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-14 08:22:35,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1040, Unknown=0, NotChecked=0, Total=1190 [2021-11-14 08:22:35,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:35,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:22:35,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 15.942857142857143) internal successors, (558), 35 states have internal predecessors, (558), 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 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:35,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:38,922 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-14 08:22:45,059 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 08:22:45,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-14 08:22:45,232 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:22:45,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:22:45,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1899277450, now seen corresponding path program 2 times [2021-11-14 08:22:45,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:22:45,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529077229] [2021-11-14 08:22:45,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:22:45,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:22:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:22:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 31 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 08:22:45,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:22:45,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529077229] [2021-11-14 08:22:45,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529077229] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:22:45,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513175711] [2021-11-14 08:22:45,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:22:45,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:22:45,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:22:45,335 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 08:22:45,348 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 08:22:45,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-14 08:22:45,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:22:45,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-14 08:22:45,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:22:45,417 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 08:22:45,453 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 08:22:45,453 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 08:22:45,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:22:45,727 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:22:45,727 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 27 treesize of output 26 [2021-11-14 08:22:45,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-14 08:22:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-14 08:22:45,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:22:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 20 refuted. 2 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-14 08:22:47,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513175711] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:22:47,091 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:22:47,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 19 [2021-11-14 08:22:47,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313334010] [2021-11-14 08:22:47,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:22:47,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-14 08:22:47,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:22:47,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-14 08:22:47,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=289, Unknown=2, NotChecked=0, Total=342 [2021-11-14 08:22:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:47,093 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:22:47,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.947368421052632) internal successors, (284), 19 states have internal predecessors, (284), 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 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-14 08:22:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:50,960 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 4) |c_thrThread1of2ForFork0_~end~0#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:52,971 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (< (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~end~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:22:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-11-14 08:22:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-14 08:22:55,377 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 08:22:55,557 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,SelfDestructingSolverStorable15 [2021-11-14 08:22:55,558 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:22:55,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:22:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash -810355395, now seen corresponding path program 1 times [2021-11-14 08:22:55,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:22:55,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96257943] [2021-11-14 08:22:55,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:22:55,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:22:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:22:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-14 08:22:55,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:22:55,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96257943] [2021-11-14 08:22:55,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96257943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:22:55,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:22:55,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 08:22:55,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810704402] [2021-11-14 08:22:55,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:22:55,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 08:22:55,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:22:55,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 08:22:55,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-14 08:22:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:55,636 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:22:55,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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 08:22:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:22:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:22:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:22:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-14 08:22:55,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:29,083 WARN L227 SmtUtils]: Spent 12.99s on a formula simplification. DAG size of input: 44 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 08:23:30,613 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:23:38,569 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 9 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:23:43,830 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_41| Int) (|v_thrThread1of2ForFork0_~c~0#1_42| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_42| 4) c_~data~0.offset) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_41| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_42|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_42| 1) |v_thrThread1of2ForFork0_~c~0#1_41|))) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 4) |c_thrThread1of2ForFork0_~end~0#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:23:45,848 WARN L838 $PredicateComparison]: unable to prove that (and (< (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread1of2ForFork0_~end~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (forall ((|v_thrThread1of2ForFork0_~c~0#1_59| Int) (|v_thrThread1of2ForFork0_~c~0#1_61| Int) (|v_thrThread1of2ForFork0_~c~0#1_60| Int)) (or (= (select (let ((.cse0 (* |v_thrThread1of2ForFork0_~c~0#1_59| 4))) (store (store (store (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4)) 1) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_61| 4)) 1) (+ (* |v_thrThread1of2ForFork0_~c~0#1_60| 4) c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset) 1) (+ .cse0 c_~data~0.offset 4) 1) (+ .cse0 c_~data~0.offset 8) 0)) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (< (+ |v_thrThread1of2ForFork0_~c~0#1_60| 1) |v_thrThread1of2ForFork0_~c~0#1_59|) (< (+ |c_thrThread1of2ForFork0_~c~0#1| 1) |v_thrThread1of2ForFork0_~c~0#1_61|) (< (+ |v_thrThread1of2ForFork0_~c~0#1_61| 1) |v_thrThread1of2ForFork0_~c~0#1_60|))) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-11-14 08:23:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2021-11-14 08:23:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-14 08:23:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:23:47,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-14 08:23:47,825 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:23:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:23:47,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1009800410, now seen corresponding path program 7 times [2021-11-14 08:23:47,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:23:47,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569903749] [2021-11-14 08:23:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:23:47,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:23:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:23:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 12 proven. 149 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2021-11-14 08:23:47,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:23:47,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569903749] [2021-11-14 08:23:47,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569903749] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:23:47,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312598397] [2021-11-14 08:23:47,986 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 08:23:47,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:23:47,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:23:48,004 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 08:23:48,010 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 08:23:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:23:48,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 08:23:48,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:23:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2021-11-14 08:23:48,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 08:23:48,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312598397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:23:48,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 08:23:48,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-14 08:23:48,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485783656] [2021-11-14 08:23:48,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:23:48,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 08:23:48,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:23:48,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 08:23:48,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-14 08:23:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:48,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:23:48,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 08:23:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:23:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:23:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:48,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:23:48,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:23:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:23:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:23:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:23:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:23:52,561 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 08:23:52,762 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,SelfDestructingSolverStorable17 [2021-11-14 08:23:52,762 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:23:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:23:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash -919089296, now seen corresponding path program 8 times [2021-11-14 08:23:52,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:23:52,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180955706] [2021-11-14 08:23:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:23:52,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:23:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:23:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 0 proven. 393 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2021-11-14 08:23:53,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:23:53,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180955706] [2021-11-14 08:23:53,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180955706] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:23:53,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176926158] [2021-11-14 08:23:53,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:23:53,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:23:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:23:53,127 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 08:23:53,128 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 08:23:53,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:23:53,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:23:53,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-14 08:23:53,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:23:53,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:23:53,984 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:23:53,984 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 32 treesize of output 31 [2021-11-14 08:23:54,020 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:23:54,020 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 39 treesize of output 15 [2021-11-14 08:23:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 893 proven. 171 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 08:23:54,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:23:54,127 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 25 treesize of output 23 [2021-11-14 08:23:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 893 proven. 171 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 08:23:54,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176926158] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:23:54,789 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:23:54,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 19, 19] total 41 [2021-11-14 08:23:54,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33076745] [2021-11-14 08:23:54,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:23:54,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-14 08:23:54,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:23:54,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-14 08:23:54,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1370, Unknown=0, NotChecked=0, Total=1640 [2021-11-14 08:23:54,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:54,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:23:54,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 16.365853658536587) internal successors, (671), 41 states have internal predecessors, (671), 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 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:23:54,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:23:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:04,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2021-11-14 08:24:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 08:24:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2021-11-14 08:24:04,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-14 08:24:05,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:05,030 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1248869603, now seen corresponding path program 1 times [2021-11-14 08:24:05,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:05,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153263427] [2021-11-14 08:24:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:05,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-11-14 08:24:05,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:05,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153263427] [2021-11-14 08:24:05,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153263427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:05,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:24:05,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 08:24:05,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699465642] [2021-11-14 08:24:05,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:05,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 08:24:05,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:05,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 08:24:05,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-14 08:24:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:05,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:05,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2021-11-14 08:24:05,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-11-14 08:24:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2021-11-14 08:24:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:06,025 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-14 08:24:06,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-14 08:24:06,030 INFO L732 BasicCegarLoop]: Path program histogram: [8, 2, 1, 1, 1, 1, 1, 1] [2021-11-14 08:24:06,030 INFO L308 ceAbstractionStarter]: Result for error location thrThread2of2ForFork0 was SAFE (1/3) [2021-11-14 08:24:06,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 08:24:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:06,032 INFO L229 MonitoredProcess]: Starting monitored process 14 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 08:24:06,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2021-11-14 08:24:06,049 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread1of2ForFork0 ======== [2021-11-14 08:24:06,049 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 08:24:06,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 08:24:06,116 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:06,116 INFO L85 PathProgramCache]: Analyzing trace with hash -825571543, now seen corresponding path program 1 times [2021-11-14 08:24:06,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:06,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924437128] [2021-11-14 08:24:06,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:06,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:06,124 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 08:24:06,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:06,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924437128] [2021-11-14 08:24:06,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924437128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:06,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:24:06,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 08:24:06,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389954326] [2021-11-14 08:24:06,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:06,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 08:24:06,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:06,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 08:24:06,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 08:24:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:06,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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 08:24:06,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-14 08:24:06,129 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:06,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash -615115134, now seen corresponding path program 1 times [2021-11-14 08:24:06,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:06,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297521407] [2021-11-14 08:24:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:06,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:06,165 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 08:24:06,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:06,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297521407] [2021-11-14 08:24:06,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297521407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:06,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:24:06,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 08:24:06,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645452157] [2021-11-14 08:24:06,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:06,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 08:24:06,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:06,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 08:24:06,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 08:24:06,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:06,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 08:24:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:24:06,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-14 08:24:06,257 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:06,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:06,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1870299341, now seen corresponding path program 1 times [2021-11-14 08:24:06,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:06,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477711722] [2021-11-14 08:24:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:06,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-14 08:24:06,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:06,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477711722] [2021-11-14 08:24:06,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477711722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:06,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:24:06,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 08:24:06,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083206755] [2021-11-14 08:24:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:06,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 08:24:06,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:06,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 08:24:06,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-14 08:24:06,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:06,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:24:06,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:24:06,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:24:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:06,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-14 08:24:06,323 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:06,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:06,324 INFO L85 PathProgramCache]: Analyzing trace with hash 168469500, now seen corresponding path program 1 times [2021-11-14 08:24:06,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:06,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66538227] [2021-11-14 08:24:06,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:06,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-14 08:24:06,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:06,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66538227] [2021-11-14 08:24:06,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66538227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:06,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:24:06,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 08:24:06,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6513650] [2021-11-14 08:24:06,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:06,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 08:24:06,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:06,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 08:24:06,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 08:24:06,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:06,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 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 08:24:06,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:24:06,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:06,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:24:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:06,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-14 08:24:06,520 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:06,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:06,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1921143300, now seen corresponding path program 1 times [2021-11-14 08:24:06,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:06,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962130818] [2021-11-14 08:24:06,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:06,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-14 08:24:06,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:06,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962130818] [2021-11-14 08:24:06,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962130818] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:06,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072161782] [2021-11-14 08:24:06,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:06,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:06,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:06,670 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 08:24:06,671 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 08:24:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:06,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-14 08:24:06,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:07,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:07,053 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:07,053 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 27 treesize of output 26 [2021-11-14 08:24:07,088 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-14 08:24:07,088 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 2 case distinctions, treesize of input 43 treesize of output 34 [2021-11-14 08:24:07,391 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:24:07,392 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 39 treesize of output 15 [2021-11-14 08:24:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 99 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-14 08:24:07,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:24:07,519 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 25 treesize of output 23 [2021-11-14 08:24:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-14 08:24:07,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072161782] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:07,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 08:24:07,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15, 14] total 24 [2021-11-14 08:24:07,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25650099] [2021-11-14 08:24:07,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:07,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 08:24:07,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 08:24:07,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2021-11-14 08:24:07,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:07,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:07,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 08:24:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 08:24:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:24:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:07,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 08:24:07,878 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 08:24:08,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:08,076 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:08,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash 413256300, now seen corresponding path program 2 times [2021-11-14 08:24:08,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:08,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178920058] [2021-11-14 08:24:08,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:08,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-14 08:24:08,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:08,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178920058] [2021-11-14 08:24:08,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178920058] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:08,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184421165] [2021-11-14 08:24:08,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:24:08,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:08,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:08,274 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 08:24:08,291 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 08:24:08,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:24:08,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:24:08,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-14 08:24:08,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:08,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:08,812 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:08,812 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 32 treesize of output 31 [2021-11-14 08:24:08,850 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:24:08,850 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 39 treesize of output 15 [2021-11-14 08:24:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 155 proven. 104 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 08:24:08,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:24:08,925 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 25 treesize of output 23 [2021-11-14 08:24:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 155 proven. 104 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-14 08:24:09,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184421165] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:24:09,162 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:24:09,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 31 [2021-11-14 08:24:09,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830750104] [2021-11-14 08:24:09,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:24:09,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-14 08:24:09,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:09,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-14 08:24:09,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-11-14 08:24:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:09,164 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:09,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.548387096774194) internal successors, (451), 31 states have internal predecessors, (451), 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 08:24:09,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:09,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 08:24:09,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:09,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:09,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 08:24:09,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:11,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-14 08:24:11,867 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 08:24:12,068 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,SelfDestructingSolverStorable25 [2021-11-14 08:24:12,068 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1766727430, now seen corresponding path program 3 times [2021-11-14 08:24:12,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:12,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051667337] [2021-11-14 08:24:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:12,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-14 08:24:12,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:12,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051667337] [2021-11-14 08:24:12,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051667337] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:12,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362714508] [2021-11-14 08:24:12,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 08:24:12,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:12,187 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 08:24:12,188 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 08:24:12,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-14 08:24:12,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:24:12,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-14 08:24:12,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:12,248 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 08:24:12,269 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 08:24:12,269 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 08:24:12,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:12,394 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:12,394 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 56 treesize of output 55 [2021-11-14 08:24:12,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-11-14 08:24:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-14 08:24:12,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:24:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 14 refuted. 2 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-14 08:24:15,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362714508] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:24:15,406 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:24:15,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2021-11-14 08:24:15,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932213] [2021-11-14 08:24:15,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:24:15,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-14 08:24:15,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-14 08:24:15,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=146, Unknown=4, NotChecked=0, Total=182 [2021-11-14 08:24:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:15,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:15,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.928571428571429) internal successors, (125), 14 states have internal predecessors, (125), 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 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-14 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-14 08:24:15,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2021-11-14 08:24:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:17,402 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 08:24:17,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-14 08:24:17,591 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:17,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:17,591 INFO L85 PathProgramCache]: Analyzing trace with hash 2127861704, now seen corresponding path program 1 times [2021-11-14 08:24:17,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:17,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337263060] [2021-11-14 08:24:17,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:17,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-14 08:24:17,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:17,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337263060] [2021-11-14 08:24:17,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337263060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:17,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 08:24:17,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 08:24:17,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973589599] [2021-11-14 08:24:17,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:17,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 08:24:17,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:17,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 08:24:17,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-14 08:24:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:17,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:17,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 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 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:17,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2021-11-14 08:24:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:19,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:19,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-14 08:24:19,042 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:19,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:19,042 INFO L85 PathProgramCache]: Analyzing trace with hash -824855725, now seen corresponding path program 4 times [2021-11-14 08:24:19,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:19,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369791295] [2021-11-14 08:24:19,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:19,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-14 08:24:19,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:19,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369791295] [2021-11-14 08:24:19,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369791295] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:19,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766862094] [2021-11-14 08:24:19,160 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 08:24:19,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:19,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:19,169 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 08:24:19,183 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 08:24:19,258 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 08:24:19,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:24:19,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 08:24:19,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-14 08:24:19,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 08:24:19,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766862094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:19,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 08:24:19,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-14 08:24:19,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137346255] [2021-11-14 08:24:19,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:19,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 08:24:19,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:19,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 08:24:19,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-14 08:24:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:19,526 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:19,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:19,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:19,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:19,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-14 08:24:19,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-14 08:24:19,897 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:19,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1100888937, now seen corresponding path program 5 times [2021-11-14 08:24:19,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:19,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853239010] [2021-11-14 08:24:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:19,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 6 proven. 128 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-14 08:24:20,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:20,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853239010] [2021-11-14 08:24:20,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853239010] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:20,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998300782] [2021-11-14 08:24:20,055 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 08:24:20,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:20,056 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 08:24:20,057 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 08:24:20,162 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-11-14 08:24:20,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:24:20,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-14 08:24:20,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:20,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:20,567 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:20,568 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 32 treesize of output 31 [2021-11-14 08:24:20,602 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:24:20,602 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 39 treesize of output 15 [2021-11-14 08:24:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-14 08:24:20,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:24:20,663 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 25 treesize of output 23 [2021-11-14 08:24:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 23 proven. 44 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-14 08:24:21,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998300782] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:24:21,038 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:24:21,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 13] total 28 [2021-11-14 08:24:21,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799350371] [2021-11-14 08:24:21,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:24:21,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-14 08:24:21,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:21,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-14 08:24:21,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2021-11-14 08:24:21,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:21,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:21,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.071428571428571) internal successors, (254), 28 states have internal predecessors, (254), 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 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:21,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 08:24:21,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-14 08:24:21,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:21,941 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:21,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:21,942 INFO L85 PathProgramCache]: Analyzing trace with hash -343412899, now seen corresponding path program 6 times [2021-11-14 08:24:21,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:21,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749054870] [2021-11-14 08:24:21,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:21,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-14 08:24:22,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:22,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749054870] [2021-11-14 08:24:22,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749054870] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:22,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876681056] [2021-11-14 08:24:22,199 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 08:24:22,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:22,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:22,212 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 08:24:22,213 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 08:24:22,280 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-14 08:24:22,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:24:22,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-14 08:24:22,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:22,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:22,565 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 0 case distinctions, treesize of input 34 treesize of output 29 [2021-11-14 08:24:22,574 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:22,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 34 treesize of output 38 [2021-11-14 08:24:22,610 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-14 08:24:22,610 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 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-14 08:24:22,758 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-14 08:24:22,758 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 48 treesize of output 58 [2021-11-14 08:24:22,837 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-14 08:24:22,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-14 08:24:23,123 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-14 08:24:23,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-14 08:24:23,364 INFO L354 Elim1Store]: treesize reduction 72, result has 25.8 percent of original size [2021-11-14 08:24:23,365 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 87 treesize of output 71 [2021-11-14 08:24:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 12 proven. 80 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-14 08:24:23,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:24:23,949 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-14 08:24:24,594 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2021-11-14 08:24:26,615 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) is different from false [2021-11-14 08:24:28,728 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) is different from false [2021-11-14 08:24:28,775 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 50 treesize of output 48 [2021-11-14 08:24:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 64 not checked. [2021-11-14 08:24:29,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876681056] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:24:29,024 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:24:29,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 16] total 38 [2021-11-14 08:24:29,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830606760] [2021-11-14 08:24:29,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:24:29,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-14 08:24:29,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:29,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-14 08:24:29,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=975, Unknown=4, NotChecked=268, Total=1406 [2021-11-14 08:24:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:29,025 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:29,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.289473684210526) internal successors, (315), 38 states have internal predecessors, (315), 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 08:24:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 08:24:29,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:29,783 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~c~0#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) (<= 10 |c_thrThread2of2ForFork0_~end~0#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-14 08:24:31,798 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-14 08:24:32,694 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-14 08:24:33,602 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-14 08:24:35,606 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2021-11-14 08:24:36,243 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_118| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_118|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_118| 4))) 1) (<= (+ 10 |v_thrThread2of2ForFork0_~c~0#1_118|) |c_thrThread1of2ForFork0_~c~0#1|)))) is different from false [2021-11-14 08:24:36,910 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (exists ((|v_thrThread2of2ForFork0_~c~0#1_118| Int)) (and (or (= (* 4 |c_thrThread2of2ForFork0_~c~0#1|) (* 4 |v_thrThread2of2ForFork0_~c~0#1_118|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_118| 4))) 1)) (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_118|)) (<= (+ 10 |v_thrThread2of2ForFork0_~c~0#1_118|) |c_thrThread1of2ForFork0_~c~0#1|))) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 0))) is different from false [2021-11-14 08:24:37,503 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_~data~0.base))) (and (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int)) (or (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_120|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= (select .cse0 (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (exists ((|v_thrThread2of2ForFork0_~c~0#1_118| Int)) (and (<= |c_thrThread2of2ForFork0_~c~0#1| (+ 1 |v_thrThread2of2ForFork0_~c~0#1_118|)) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |v_thrThread2of2ForFork0_~c~0#1_118| 4))) 1) (<= (+ 10 |v_thrThread2of2ForFork0_~c~0#1_118|) |c_thrThread1of2ForFork0_~c~0#1|))))) is different from false [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:37,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-14 08:24:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 08:24:37,717 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 08:24:37,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:37,901 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:37,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash 686927678, now seen corresponding path program 7 times [2021-11-14 08:24:37,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:37,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039764691] [2021-11-14 08:24:37,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:37,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 3 proven. 341 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-14 08:24:38,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:38,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039764691] [2021-11-14 08:24:38,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039764691] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:38,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793217294] [2021-11-14 08:24:38,110 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 08:24:38,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:38,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:38,111 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 08:24:38,120 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 08:24:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:38,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-14 08:24:38,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:38,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:38,625 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:38,625 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 32 treesize of output 31 [2021-11-14 08:24:38,676 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-14 08:24:38,676 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 39 treesize of output 15 [2021-11-14 08:24:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 17 proven. 297 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-14 08:24:38,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 08:24:38,723 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 25 treesize of output 23 [2021-11-14 08:24:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 15 proven. 302 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-14 08:24:39,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793217294] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 08:24:39,023 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 08:24:39,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 16] total 34 [2021-11-14 08:24:39,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142562938] [2021-11-14 08:24:39,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 08:24:39,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-14 08:24:39,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:39,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-14 08:24:39,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=950, Unknown=0, NotChecked=0, Total=1122 [2021-11-14 08:24:39,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:39,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:39,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.294117647058824) internal successors, (350), 34 states have internal predecessors, (350), 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 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:39,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:39,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:39,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-11-14 08:24:39,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 08:24:39,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:41,566 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 11) |c_thrThread1of2ForFork0_~c~0#1|) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-14 08:24:41,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 08:24:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 08:24:41,780 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 08:24:41,979 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,SelfDestructingSolverStorable31 [2021-11-14 08:24:41,980 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:41,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:41,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1945480926, now seen corresponding path program 8 times [2021-11-14 08:24:41,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:41,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766691690] [2021-11-14 08:24:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:41,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 576 proven. 148 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-14 08:24:42,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:42,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766691690] [2021-11-14 08:24:42,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766691690] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:42,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984081315] [2021-11-14 08:24:42,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 08:24:42,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:42,143 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 08:24:42,145 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 08:24:42,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 08:24:42,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 08:24:42,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-14 08:24:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 723 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-14 08:24:42,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 08:24:42,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984081315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 08:24:42,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 08:24:42,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 18 [2021-11-14 08:24:42,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670051300] [2021-11-14 08:24:42,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 08:24:42,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-14 08:24:42,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 08:24:42,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-14 08:24:42,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-11-14 08:24:42,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:42,524 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 08:24:42,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.571428571428573) internal successors, (246), 14 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 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 08:24:42,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:51,535 WARN L838 $PredicateComparison]: unable to prove that (and (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((|v_thrThread2of2ForFork0_~c~0#1_120| Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) 1) (+ (* |v_thrThread2of2ForFork0_~c~0#1_120| 4) c_~data~0.offset) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< (+ 1 |v_thrThread2of2ForFork0_~c~0#1_121|) |v_thrThread2of2ForFork0_~c~0#1_120|) (< (+ |c_thrThread2of2ForFork0_~c~0#1| 1) |v_thrThread2of2ForFork0_~c~0#1_121|))) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (= |c_thrThread2of2ForFork0_~c~0#1| 0) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 10) |c_thrThread1of2ForFork0_~c~0#1|) (<= 11 |c_thrThread1of2ForFork0_~c~0#1|) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4)) 0) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2021-11-14 08:24:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 08:24:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-14 08:24:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-11-14 08:24:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-14 08:24:51,826 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 08:24:52,033 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,SelfDestructingSolverStorable32 [2021-11-14 08:24:52,033 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 08:24:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 08:24:52,034 INFO L85 PathProgramCache]: Analyzing trace with hash 473579890, now seen corresponding path program 1 times [2021-11-14 08:24:52,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 08:24:52,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36684324] [2021-11-14 08:24:52,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:52,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 08:24:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-14 08:24:52,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 08:24:52,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36684324] [2021-11-14 08:24:52,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36684324] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 08:24:52,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768266659] [2021-11-14 08:24:52,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 08:24:52,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:24:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 08:24:52,814 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 08:24:52,815 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 08:24:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 08:24:52,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-14 08:24:52,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 08:24:53,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-14 08:24:53,163 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-11-14 08:24:53,163 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 27 treesize of output 26 [2021-11-14 08:24:53,199 INFO L354 Elim1Store]: treesize reduction 53, result has 17.2 percent of original size [2021-11-14 08:24:53,199 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 2 case distinctions, treesize of input 38 treesize of output 29 [2021-11-14 08:24:53,354 INFO L354 Elim1Store]: treesize reduction 88, result has 20.7 percent of original size [2021-11-14 08:24:53,354 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 49 treesize of output 51 [2021-11-14 08:24:53,415 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2021-11-14 08:24:53,416 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 48 treesize of output 58 [2021-11-14 08:24:53,479 INFO L354 Elim1Store]: treesize reduction 100, result has 30.1 percent of original size [2021-11-14 08:24:53,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 81 [2021-11-14 08:24:53,767 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2021-11-14 08:24:53,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 85 [2021-11-14 08:24:53,993 INFO L354 Elim1Store]: treesize reduction 164, result has 31.1 percent of original size [2021-11-14 08:24:53,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 128 [2021-11-14 08:24:54,421 INFO L354 Elim1Store]: treesize reduction 216, result has 24.2 percent of original size [2021-11-14 08:24:54,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 112 [2021-11-14 08:24:54,904 INFO L354 Elim1Store]: treesize reduction 244, result has 30.1 percent of original size [2021-11-14 08:24:54,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 115 treesize of output 175 [2021-11-14 08:24:55,769 INFO L354 Elim1Store]: treesize reduction 308, result has 22.2 percent of original size [2021-11-14 08:24:55,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 96 treesize of output 139 [2021-11-14 08:24:56,721 INFO L354 Elim1Store]: treesize reduction 340, result has 28.6 percent of original size [2021-11-14 08:24:56,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 139 treesize of output 222 [2021-11-14 08:24:57,742 INFO L354 Elim1Store]: treesize reduction 416, result has 20.5 percent of original size [2021-11-14 08:24:57,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 112 treesize of output 166 [2021-11-14 08:25:03,340 INFO L354 Elim1Store]: treesize reduction 452, result has 27.0 percent of original size [2021-11-14 08:25:03,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 163 treesize of output 269 [2021-11-14 08:25:09,312 INFO L354 Elim1Store]: treesize reduction 540, result has 18.9 percent of original size [2021-11-14 08:25:09,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 128 treesize of output 193 [2021-11-14 08:25:19,380 INFO L354 Elim1Store]: treesize reduction 580, result has 25.4 percent of original size [2021-11-14 08:25:19,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 187 treesize of output 316 [2021-11-14 08:25:42,112 INFO L354 Elim1Store]: treesize reduction 680, result has 17.6 percent of original size [2021-11-14 08:25:42,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 144 treesize of output 220 [2021-11-14 08:26:12,883 INFO L354 Elim1Store]: treesize reduction 724, result has 24.0 percent of original size [2021-11-14 08:26:12,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 211 treesize of output 363 [2021-11-14 08:27:22,532 WARN L228 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-14 08:27:22,533 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-14 08:27:22,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-14 08:27:22,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-11-14 08:27:22,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 08:27:22,734 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:438) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 46 more [2021-11-14 08:27:22,736 INFO L158 Benchmark]: Toolchain (without parser) took 362389.02ms. Allocated memory was 377.5MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 350.4MB in the beginning and 1.1GB in the end (delta: -712.6MB). Peak memory consumption was 1.5GB. Max. memory is 16.0GB. [2021-11-14 08:27:22,736 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 377.5MB. Free memory is still 338.3MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 08:27:22,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.11ms. Allocated memory was 377.5MB in the beginning and 513.8MB in the end (delta: 136.3MB). Free memory was 350.4MB in the beginning and 468.5MB in the end (delta: -118.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2021-11-14 08:27:22,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 513.8MB. Free memory was 468.5MB in the beginning and 466.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:27:22,737 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 513.8MB. Free memory was 466.4MB in the beginning and 464.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 08:27:22,737 INFO L158 Benchmark]: RCFGBuilder took 291.61ms. Allocated memory is still 513.8MB. Free memory was 464.7MB in the beginning and 448.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 08:27:22,737 INFO L158 Benchmark]: TraceAbstraction took 361510.02ms. Allocated memory was 513.8MB in the beginning and 2.6GB in the end (delta: 2.1GB). Free memory was 448.5MB in the beginning and 1.1GB in the end (delta: -614.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.0GB. [2021-11-14 08:27:22,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 377.5MB. Free memory is still 338.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 499.11ms. Allocated memory was 377.5MB in the beginning and 513.8MB in the end (delta: 136.3MB). Free memory was 350.4MB in the beginning and 468.5MB in the end (delta: -118.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 513.8MB. Free memory was 468.5MB in the beginning and 466.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 513.8MB. Free memory was 466.4MB in the beginning and 464.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 291.61ms. Allocated memory is still 513.8MB. Free memory was 464.7MB in the beginning and 448.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 361510.02ms. Allocated memory was 513.8MB in the beginning and 2.6GB in the end (delta: 2.1GB). Free memory was 448.5MB in the beginning and 1.1GB in the end (delta: -614.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 978, positive: 905, positive conditional: 142, positive unconditional: 763, negative: 73, negative conditional: 68, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 142, positive unconditional: 763, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 142, positive unconditional: 763, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 88, positive unconditional: 817, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 910, positive: 905, positive conditional: 33, positive unconditional: 872, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 33, positive unconditional: 872, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 697, positive: 692, positive conditional: 0, positive unconditional: 692, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 697, positive: 692, positive conditional: 0, positive unconditional: 692, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 910, positive: 213, positive conditional: 33, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 697, unknown conditional: 0, unknown unconditional: 697] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 692, Positive conditional cache size: 0, Positive unconditional cache size: 692, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 55, Maximal queried relation: 0, Independence queries for same thread: 68 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 79.70ms, Number of persistent set computation: 87, Number of trivial persistent sets: 82, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 768, positive: 763, positive conditional: 0, positive unconditional: 763, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 978, positive: 905, positive conditional: 142, positive unconditional: 763, negative: 73, negative conditional: 68, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 142, positive unconditional: 763, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 142, positive unconditional: 763, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 88, positive unconditional: 817, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 910, positive: 905, positive conditional: 33, positive unconditional: 872, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 910, positive: 905, positive conditional: 33, positive unconditional: 872, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 697, positive: 692, positive conditional: 0, positive unconditional: 692, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 697, positive: 692, positive conditional: 0, positive unconditional: 692, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 910, positive: 213, positive conditional: 33, positive unconditional: 180, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 697, unknown conditional: 0, unknown unconditional: 697] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 692, Positive conditional cache size: 0, Positive unconditional cache size: 692, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 55, Maximal queried relation: 0, Independence queries for same thread: 68 - 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: 774809, positive: 717475, positive conditional: 711529, positive unconditional: 5946, negative: 57334, negative conditional: 57264, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 717722, positive: 717475, positive conditional: 711529, positive unconditional: 5946, negative: 247, negative conditional: 177, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 717722, positive: 717475, positive conditional: 711529, positive unconditional: 5946, negative: 247, negative conditional: 177, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 730812, positive: 717475, positive conditional: 711281, positive unconditional: 6194, negative: 13337, negative conditional: 13090, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 730812, positive: 717475, positive conditional: 414702, positive unconditional: 302773, negative: 13337, negative conditional: 11241, negative unconditional: 2096, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 730812, positive: 717475, positive conditional: 414702, positive unconditional: 302773, negative: 13337, negative conditional: 11241, negative unconditional: 2096, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5691, positive: 5062, positive conditional: 730, positive unconditional: 4332, negative: 629, negative conditional: 558, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5691, positive: 4341, positive conditional: 0, positive unconditional: 4341, negative: 1350, negative conditional: 0, negative unconditional: 1350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1350, positive: 721, positive conditional: 703, positive unconditional: 18, negative: 624, negative conditional: 553, negative unconditional: 71, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6386, positive: 879, positive conditional: 848, positive unconditional: 31, negative: 833, negative conditional: 734, negative unconditional: 99, unknown: 4673, unknown conditional: 4673, unknown unconditional: 0] ], Cache Queries: [ total: 730812, positive: 712413, positive conditional: 413972, positive unconditional: 298441, negative: 12708, negative conditional: 10683, negative unconditional: 2025, unknown: 5691, unknown conditional: 1288, unknown unconditional: 4403] , Statistics on independence cache: Total cache size (in pairs): 5691, Positive cache size: 5062, Positive conditional cache size: 730, Positive unconditional cache size: 4332, Negative cache size: 629, Negative conditional cache size: 558, Negative unconditional cache size: 71, Eliminated conditions: 298428, Maximal queried relation: 11, Independence queries for same thread: 57087 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 535.00ms, Number of persistent set computation: 9369, Number of trivial persistent sets: 8912, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6016, positive: 5946, positive conditional: 0, positive unconditional: 5946, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 774809, positive: 717475, positive conditional: 711529, positive unconditional: 5946, negative: 57334, negative conditional: 57264, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 717722, positive: 717475, positive conditional: 711529, positive unconditional: 5946, negative: 247, negative conditional: 177, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 717722, positive: 717475, positive conditional: 711529, positive unconditional: 5946, negative: 247, negative conditional: 177, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 730812, positive: 717475, positive conditional: 711281, positive unconditional: 6194, negative: 13337, negative conditional: 13090, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 730812, positive: 717475, positive conditional: 414702, positive unconditional: 302773, negative: 13337, negative conditional: 11241, negative unconditional: 2096, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 730812, positive: 717475, positive conditional: 414702, positive unconditional: 302773, negative: 13337, negative conditional: 11241, negative unconditional: 2096, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5691, positive: 5062, positive conditional: 730, positive unconditional: 4332, negative: 629, negative conditional: 558, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5691, positive: 4341, positive conditional: 0, positive unconditional: 4341, negative: 1350, negative conditional: 0, negative unconditional: 1350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1350, positive: 721, positive conditional: 703, positive unconditional: 18, negative: 624, negative conditional: 553, negative unconditional: 71, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6386, positive: 879, positive conditional: 848, positive unconditional: 31, negative: 833, negative conditional: 734, negative unconditional: 99, unknown: 4673, unknown conditional: 4673, unknown unconditional: 0] ], Cache Queries: [ total: 730812, positive: 712413, positive conditional: 413972, positive unconditional: 298441, negative: 12708, negative conditional: 10683, negative unconditional: 2025, unknown: 5691, unknown conditional: 1288, unknown unconditional: 4403] , Statistics on independence cache: Total cache size (in pairs): 5691, Positive cache size: 5062, Positive conditional cache size: 730, Positive unconditional cache size: 4332, Negative cache size: 629, Negative conditional cache size: 558, Negative unconditional cache size: 71, Eliminated conditions: 298428, Maximal queried relation: 11, Independence queries for same thread: 57087 - 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 - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-14 08:27:22,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:22,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-14 08:27:23,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...