/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/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 07:16:42,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 07:16:42,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 07:16:42,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 07:16:42,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 07:16:42,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 07:16:42,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 07:16:42,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 07:16:42,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 07:16:42,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 07:16:42,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 07:16:42,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 07:16:42,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 07:16:42,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 07:16:42,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 07:16:42,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 07:16:42,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 07:16:42,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 07:16:42,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 07:16:42,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 07:16:42,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 07:16:42,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 07:16:42,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 07:16:42,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 07:16:42,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 07:16:42,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 07:16:42,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 07:16:42,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 07:16:42,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 07:16:42,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 07:16:42,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 07:16:42,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 07:16:42,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 07:16:42,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 07:16:42,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 07:16:42,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 07:16:42,222 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 07:16:42,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 07:16:42,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 07:16:42,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 07:16:42,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 07:16:42,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 07:16:42,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 07:16:42,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 07:16:42,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 07:16:42,250 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 07:16:42,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 07:16:42,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 07:16:42,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 07:16:42,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 07:16:42,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 07:16:42,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 07:16:42,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 07:16:42,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 07:16:42,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:16:42,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 07:16:42,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 07:16:42,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 07:16:42,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 07:16:42,253 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 07:16:42,253 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 07:16:42,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 07:16:42,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 07:16:42,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 07:16:42,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 07:16:42,461 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 07:16:42,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2021-11-14 07:16:42,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bb1872d/7cb525f06a0f41d392c787df09473a81/FLAGbf274a034 [2021-11-14 07:16:42,862 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 07:16:42,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2021-11-14 07:16:42,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bb1872d/7cb525f06a0f41d392c787df09473a81/FLAGbf274a034 [2021-11-14 07:16:43,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12bb1872d/7cb525f06a0f41d392c787df09473a81 [2021-11-14 07:16:43,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 07:16:43,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 07:16:43,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 07:16:43,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 07:16:43,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 07:16:43,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba73b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43, skipping insertion in model container [2021-11-14 07:16:43,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 07:16:43,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 07:16:43,527 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/stack_longest-2.i[41530,41543] [2021-11-14 07:16:43,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:16:43,564 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 07:16:43,597 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/stack_longest-2.i[41530,41543] [2021-11-14 07:16:43,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:16:43,645 INFO L208 MainTranslator]: Completed translation [2021-11-14 07:16:43,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43 WrapperNode [2021-11-14 07:16:43,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 07:16:43,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 07:16:43,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 07:16:43,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 07:16:43,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 07:16:43,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 07:16:43,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 07:16:43,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 07:16:43,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 07:16:43,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 07:16:43,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 07:16:43,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 07:16:43,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (1/1) ... [2021-11-14 07:16:43,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:16:43,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:43,740 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 07:16:43,750 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 07:16:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-14 07:16:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-14 07:16:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-14 07:16:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 07:16:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 07:16:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 07:16:43,769 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 07:16:44,055 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 07:16:44,055 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-14 07:16:44,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:16:44 BoogieIcfgContainer [2021-11-14 07:16:44,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 07:16:44,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 07:16:44,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 07:16:44,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 07:16:44,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:16:43" (1/3) ... [2021-11-14 07:16:44,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0d008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:16:44, skipping insertion in model container [2021-11-14 07:16:44,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:16:43" (2/3) ... [2021-11-14 07:16:44,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0d008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:16:44, skipping insertion in model container [2021-11-14 07:16:44,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:16:44" (3/3) ... [2021-11-14 07:16:44,065 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2021-11-14 07:16:44,068 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 07:16:44,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 07:16:44,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-14 07:16:44,068 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 07:16:44,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,119 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,135 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,135 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,136 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,137 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,138 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,139 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,140 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,141 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,142 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,143 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,144 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,145 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,147 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,148 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,152 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,153 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,154 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,155 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,160 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,161 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,162 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:16:44,171 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-14 07:16:44,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:16:44,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:44,214 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 07:16:44,220 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 07:16:44,241 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2021-11-14 07:16:44,245 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 07:16:44,245 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 07:16:44,388 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:44,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:44,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1937958727, now seen corresponding path program 1 times [2021-11-14 07:16:44,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:44,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003533513] [2021-11-14 07:16:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:44,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:44,529 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 07:16:44,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:44,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003533513] [2021-11-14 07:16:44,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003533513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:44,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:16:44,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 07:16:44,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175935397] [2021-11-14 07:16:44,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:44,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 07:16:44,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:44,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 07:16:44,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 07:16:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:44,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:16:44,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 07:16:44,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:44,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:44,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1981333647, now seen corresponding path program 1 times [2021-11-14 07:16:44,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:44,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115523120] [2021-11-14 07:16:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:44,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:44,699 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 07:16:44,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:44,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115523120] [2021-11-14 07:16:44,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115523120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:44,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:16:44,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:16:44,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105331502] [2021-11-14 07:16:44,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:44,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:16:44,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:44,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:16:44,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:16:44,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:44,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 07:16:44,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:44,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 07:16:44,755 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:44,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:44,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2063304760, now seen corresponding path program 1 times [2021-11-14 07:16:44,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:44,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549632435] [2021-11-14 07:16:44,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:44,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:44,849 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 07:16:44,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:44,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549632435] [2021-11-14 07:16:44,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549632435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:44,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:16:44,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 07:16:44,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733239475] [2021-11-14 07:16:44,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:44,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 07:16:44,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:44,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 07:16:44,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-14 07:16:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,852 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:44,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 07:16:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:44,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:44,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 07:16:44,932 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:44,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:44,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1026643284, now seen corresponding path program 1 times [2021-11-14 07:16:44,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:44,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441398778] [2021-11-14 07:16:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:44,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:16:44,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:44,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441398778] [2021-11-14 07:16:44,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441398778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:44,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:16:44,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:16:44,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688939439] [2021-11-14 07:16:44,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:44,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:16:44,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:16:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:16:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,000 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:45,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 07:16:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 07:16:45,063 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:45,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:45,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1795371223, now seen corresponding path program 1 times [2021-11-14 07:16:45,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:45,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814338697] [2021-11-14 07:16:45,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:45,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:45,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:45,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814338697] [2021-11-14 07:16:45,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814338697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:45,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:16:45,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:16:45,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018467183] [2021-11-14 07:16:45,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:45,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:16:45,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:45,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:16:45,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:16:45,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:45,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 07:16:45,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 07:16:45,155 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:45,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1574054929, now seen corresponding path program 1 times [2021-11-14 07:16:45,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:45,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294879490] [2021-11-14 07:16:45,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:45,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:16:45,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:45,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294879490] [2021-11-14 07:16:45,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294879490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:45,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:16:45,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 07:16:45,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392335868] [2021-11-14 07:16:45,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:45,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 07:16:45,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:45,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 07:16:45,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 07:16:45,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,200 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:45,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:16:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-14 07:16:45,233 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:45,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:45,234 INFO L85 PathProgramCache]: Analyzing trace with hash 297399213, now seen corresponding path program 1 times [2021-11-14 07:16:45,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:45,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528205973] [2021-11-14 07:16:45,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:45,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:16:45,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:45,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528205973] [2021-11-14 07:16:45,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528205973] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:16:45,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345013287] [2021-11-14 07:16:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:45,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:45,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:45,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:16:45,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 07:16:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:45,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 07:16:45,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:16:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-14 07:16:45,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 07:16:45,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345013287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:16:45,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-14 07:16:45,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2021-11-14 07:16:45,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658988610] [2021-11-14 07:16:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:16:45,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 07:16:45,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:45,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 07:16:45,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-14 07:16:45,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:45,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:45,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 07:16:46,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-14 07:16:46,178 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:46,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1394868747, now seen corresponding path program 1 times [2021-11-14 07:16:46,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:46,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609079292] [2021-11-14 07:16:46,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:46,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:46,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:46,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609079292] [2021-11-14 07:16:46,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609079292] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:16:46,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637018941] [2021-11-14 07:16:46,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:46,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:46,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:46,284 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 07:16:46,285 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 07:16:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:46,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-14 07:16:46,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:16:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:46,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:16:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:47,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637018941] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:16:47,072 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:16:47,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-14 07:16:47,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472026839] [2021-11-14 07:16:47,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:16:47,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-14 07:16:47,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:47,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-14 07:16:47,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-14 07:16:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:47,074 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:47,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.2) internal successors, (422), 10 states have internal predecessors, (422), 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 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:47,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:47,156 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 07:16:47,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:47,351 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:47,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:47,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1439240907, now seen corresponding path program 2 times [2021-11-14 07:16:47,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:47,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151987331] [2021-11-14 07:16:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:47,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 256 proven. 360 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:47,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:47,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151987331] [2021-11-14 07:16:47,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151987331] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:16:47,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537309625] [2021-11-14 07:16:47,487 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 07:16:47,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:47,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:47,487 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 07:16:47,492 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 07:16:47,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 07:16:47,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:16:47,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 07:16:47,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:16:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 256 proven. 360 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:48,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:16:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 256 proven. 360 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:48,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537309625] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:16:48,759 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:16:48,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-14 07:16:48,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334899690] [2021-11-14 07:16:48,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:16:48,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-14 07:16:48,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:48,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-14 07:16:48,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-14 07:16:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:48,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:48,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 40.55555555555556) internal successors, (730), 18 states have internal predecessors, (730), 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 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:48,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:16:48,960 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 07:16:49,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:49,152 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:49,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:49,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1058741173, now seen corresponding path program 3 times [2021-11-14 07:16:49,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:49,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500934999] [2021-11-14 07:16:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:49,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 512 proven. 1918 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-14 07:16:49,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:49,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500934999] [2021-11-14 07:16:49,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500934999] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:16:49,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286074320] [2021-11-14 07:16:49,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 07:16:49,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:49,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:49,416 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 07:16:49,417 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 07:16:49,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-11-14 07:16:49,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:16:49,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-14 07:16:49,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:16:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 36 proven. 498 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2021-11-14 07:16:51,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:16:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 36 proven. 498 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2021-11-14 07:16:52,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286074320] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:16:52,247 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:16:52,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 29 [2021-11-14 07:16:52,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770516741] [2021-11-14 07:16:52,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:16:52,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-14 07:16:52,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:52,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-14 07:16:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2021-11-14 07:16:52,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:52,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:52,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 35.6551724137931) internal successors, (1034), 29 states have internal predecessors, (1034), 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 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:52,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:16:52,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:16:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-14 07:16:53,282 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 07:16:53,463 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,SelfDestructingSolverStorable9 [2021-11-14 07:16:53,463 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash -259335384, now seen corresponding path program 4 times [2021-11-14 07:16:53,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:53,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123686250] [2021-11-14 07:16:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:53,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4550 backedges. 1710 proven. 2500 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:16:53,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:53,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123686250] [2021-11-14 07:16:53,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123686250] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:16:53,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823333861] [2021-11-14 07:16:53,828 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 07:16:53,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:53,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:53,829 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 07:16:53,830 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 07:16:54,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 07:16:54,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:16:54,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-14 07:16:54,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:16:56,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4550 backedges. 1710 proven. 2500 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:16:56,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:16:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4550 backedges. 1710 proven. 2500 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:16:57,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823333861] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:16:57,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:16:57,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38 [2021-11-14 07:16:57,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575145855] [2021-11-14 07:16:57,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:16:57,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-14 07:16:57,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:16:57,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-14 07:16:57,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2021-11-14 07:16:57,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:57,736 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:16:57,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 39.473684210526315) internal successors, (1500), 38 states have internal predecessors, (1500), 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 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-14 07:16:57,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:16:58,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:16:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:16:58,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-14 07:16:58,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:58,637 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:16:58,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:16:58,638 INFO L85 PathProgramCache]: Analyzing trace with hash -630964278, now seen corresponding path program 5 times [2021-11-14 07:16:58,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:16:58,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873720785] [2021-11-14 07:16:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:16:58,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:16:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:16:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14963 backedges. 3420 proven. 11203 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:16:59,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:16:59,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873720785] [2021-11-14 07:16:59,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873720785] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:16:59,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901274258] [2021-11-14 07:16:59,468 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 07:16:59,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:16:59,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:16:59,469 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 07:16:59,470 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 07:17:02,615 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-14 07:17:02,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:17:02,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2632 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-14 07:17:02,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:17:04,840 INFO L134 CoverageAnalysis]: Checked inductivity of 14963 backedges. 3420 proven. 11203 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:17:04,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:17:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14963 backedges. 3420 proven. 11203 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:17:07,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901274258] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:17:07,895 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:17:07,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2021-11-14 07:17:07,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23323845] [2021-11-14 07:17:07,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:17:07,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-11-14 07:17:07,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:17:07,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-11-14 07:17:07,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2021-11-14 07:17:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:17:07,899 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:17:07,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 39.0) internal successors, (2886), 74 states have internal predecessors, (2886), 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 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:17:07,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:17:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:17:09,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 07:17:10,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:17:10,060 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:17:10,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:17:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash 582567562, now seen corresponding path program 6 times [2021-11-14 07:17:10,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:17:10,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884992247] [2021-11-14 07:17:10,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:17:10,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:17:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:17:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 54500 backedges. 6840 proven. 47320 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-14 07:17:13,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:17:13,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884992247] [2021-11-14 07:17:13,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884992247] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:17:13,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359431419] [2021-11-14 07:17:13,190 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 07:17:13,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:17:13,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:17:13,191 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 07:17:13,192 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 07:18:45,302 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2021-11-14 07:18:45,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:18:45,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 4864 conjuncts, 152 conjunts are in the unsatisfiable core [2021-11-14 07:18:45,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:18:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 54500 backedges. 160 proven. 7020 refuted. 0 times theorem prover too weak. 47320 trivial. 0 not checked. [2021-11-14 07:18:50,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:18:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 54500 backedges. 160 proven. 7020 refuted. 0 times theorem prover too weak. 47320 trivial. 0 not checked. [2021-11-14 07:18:55,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359431419] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:18:55,148 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:18:55,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 14, 14] total 97 [2021-11-14 07:18:55,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121481413] [2021-11-14 07:18:55,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:18:55,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2021-11-14 07:18:55,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:18:55,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-11-14 07:18:55,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1528, Invalid=7784, Unknown=0, NotChecked=0, Total=9312 [2021-11-14 07:18:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:55,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:18:55,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 35.48453608247423) internal successors, (3442), 97 states have internal predecessors, (3442), 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 07:18:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:18:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:18:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:18:55,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:19:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:19:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:19:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:19:05,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2021-11-14 07:19:06,018 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 07:19:06,177 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,SelfDestructingSolverStorable12 [2021-11-14 07:19:06,177 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:19:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:19:06,178 INFO L85 PathProgramCache]: Analyzing trace with hash -70079898, now seen corresponding path program 7 times [2021-11-14 07:19:06,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:19:06,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138258464] [2021-11-14 07:19:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:19:06,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:19:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:19:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 68522 backedges. 16354 proven. 50058 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:19:09,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:19:09,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138258464] [2021-11-14 07:19:09,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138258464] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:19:09,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602776458] [2021-11-14 07:19:09,620 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-14 07:19:09,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:19:09,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:19:09,621 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 07:19:09,622 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 07:19:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:19:10,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 5396 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-14 07:19:10,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:19:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 68522 backedges. 16354 proven. 50058 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:19:14,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:19:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 68522 backedges. 16354 proven. 50058 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:19:22,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602776458] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:19:22,484 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:19:22,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 150 [2021-11-14 07:19:22,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186037897] [2021-11-14 07:19:22,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:19:22,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2021-11-14 07:19:22,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:19:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2021-11-14 07:19:22,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5700, Invalid=16650, Unknown=0, NotChecked=0, Total=22350 [2021-11-14 07:19:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:19:22,494 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:19:22,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 38.74666666666667) internal successors, (5812), 150 states have internal predecessors, (5812), 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 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:19:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:19:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:19:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:19:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2021-11-14 07:19:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:19:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2021-11-14 07:19:31,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2021-11-14 07:19:31,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-14 07:19:31,584 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,SelfDestructingSolverStorable13 [2021-11-14 07:19:31,584 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:19:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:19:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash 367800200, now seen corresponding path program 8 times [2021-11-14 07:19:31,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:19:31,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997295943] [2021-11-14 07:19:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:19:31,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:19:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:19:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 240313 backedges. 32708 proven. 205495 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:19:41,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:19:41,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997295943] [2021-11-14 07:19:41,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997295943] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:19:41,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354151070] [2021-11-14 07:19:41,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 07:19:41,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:19:41,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:19:41,908 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 07:19:41,909 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 07:19:42,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 07:19:42,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:19:43,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 9984 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-14 07:19:43,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:19:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 240313 backedges. 32708 proven. 205495 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:19:51,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:20:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 240313 backedges. 32708 proven. 205495 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:20:11,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354151070] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:20:11,907 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:20:11,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 149, 149] total 298 [2021-11-14 07:20:11,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322852743] [2021-11-14 07:20:11,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:20:11,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 298 states [2021-11-14 07:20:11,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:20:11,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 298 interpolants. [2021-11-14 07:20:11,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22350, Invalid=66156, Unknown=0, NotChecked=0, Total=88506 [2021-11-14 07:20:11,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:20:11,926 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:20:11,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 298 states, 298 states have (on average 38.624161073825505) internal successors, (11510), 298 states have internal predecessors, (11510), 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 07:20:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:20:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:11,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2021-11-14 07:20:11,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:20:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2021-11-14 07:20:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 441 states. [2021-11-14 07:20:58,105 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 07:20:58,280 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,SelfDestructingSolverStorable14 [2021-11-14 07:20:58,280 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:20:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:20:58,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1024242872, now seen corresponding path program 9 times [2021-11-14 07:20:58,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:20:58,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914019639] [2021-11-14 07:20:58,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:20:58,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:20:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:21:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 900134 backedges. 65416 proven. 832608 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-14 07:21:34,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:21:34,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914019639] [2021-11-14 07:21:34,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914019639] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:21:34,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788694109] [2021-11-14 07:21:34,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 07:21:34,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:21:34,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:21:34,565 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 07:21:34,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process Received shutdown request... [2021-11-14 07:30:19,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:30:19,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:30:19,816 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:30:20,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 07:30:20,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2021-11-14 07:30:21,028 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forcibly destroying the process [2021-11-14 07:30:21,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 137 [2021-11-14 07:30:21,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:30:21,053 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-14 07:30:21,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [297] total 297 [2021-11-14 07:30:21,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171041563] [2021-11-14 07:30:21,054 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-14 07:30:21,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 297 states [2021-11-14 07:30:21,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:30:21,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 297 interpolants. [2021-11-14 07:30:21,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22200, Invalid=65712, Unknown=0, NotChecked=0, Total=87912 [2021-11-14 07:30:21,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:21,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:30:21,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 297 states, 297 states have (on average 38.58585858585859) internal successors, (11460), 297 states have internal predecessors, (11460), 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 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 441 states. [2021-11-14 07:30:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:21,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-14 07:30:21,071 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2021-11-14 07:30:21,073 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-14 07:30:21,078 INFO L732 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1, 1, 1] [2021-11-14 07:30:21,079 INFO L308 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork1 was TIMEOUT (1/3) [2021-11-14 07:30:21,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:30:21,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:30:21,081 INFO L229 MonitoredProcess]: Starting monitored process 13 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 07:30:21,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2021-11-14 07:30:21,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:30:21,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 07:30:21,086 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 07:30:21,086 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 07:30:21,086 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2021-11-14 07:30:21,086 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-14 07:30:21,086 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 2 remaining) [2021-11-14 07:30:21,087 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-14 07:30:21,087 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT (2/3) [2021-11-14 07:30:21,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:30:21,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:30:21,088 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 07:30:21,089 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 07:30:21,089 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:30:21,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork0 ======== [2021-11-14 07:30:21,091 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 07:30:21,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 07:30:21,091 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2021-11-14 07:30:21,091 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-14 07:30:21,092 INFO L732 BasicCegarLoop]: Path program histogram: [] [2021-11-14 07:30:21,092 INFO L308 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork0 was TIMEOUT (3/3) [2021-11-14 07:30:21,092 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 07:30:21,092 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 07:30:21,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:30:21 BasicIcfg [2021-11-14 07:30:21,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 07:30:21,094 INFO L158 Benchmark]: Toolchain (without parser) took 817860.70ms. Allocated memory was 333.4MB in the beginning and 10.4GB in the end (delta: 10.0GB). Free memory was 278.7MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 703.0MB. Max. memory is 16.0GB. [2021-11-14 07:30:21,095 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 333.4MB. Free memory is still 296.8MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 07:30:21,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.00ms. Allocated memory is still 333.4MB. Free memory was 278.6MB in the beginning and 287.2MB in the end (delta: -8.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. [2021-11-14 07:30:21,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.89ms. Allocated memory is still 333.4MB. Free memory was 287.2MB in the beginning and 285.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:30:21,095 INFO L158 Benchmark]: Boogie Preprocessor took 19.94ms. Allocated memory is still 333.4MB. Free memory was 285.1MB in the beginning and 283.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:30:21,095 INFO L158 Benchmark]: RCFGBuilder took 340.59ms. Allocated memory is still 333.4MB. Free memory was 283.0MB in the beginning and 267.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 07:30:21,095 INFO L158 Benchmark]: TraceAbstraction took 817036.90ms. Allocated memory was 333.4MB in the beginning and 10.4GB in the end (delta: 10.0GB). Free memory was 266.2MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 691.4MB. Max. memory is 16.0GB. [2021-11-14 07:30:21,096 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 333.4MB. Free memory is still 296.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 411.00ms. Allocated memory is still 333.4MB. Free memory was 278.6MB in the beginning and 287.2MB in the end (delta: -8.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 48.89ms. Allocated memory is still 333.4MB. Free memory was 287.2MB in the beginning and 285.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.94ms. Allocated memory is still 333.4MB. Free memory was 285.1MB in the beginning and 283.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 340.59ms. Allocated memory is still 333.4MB. Free memory was 283.0MB in the beginning and 267.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 817036.90ms. Allocated memory was 333.4MB in the beginning and 10.4GB in the end (delta: 10.0GB). Free memory was 266.2MB in the beginning and 9.6GB in the end (delta: -9.3GB). Peak memory consumption was 691.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 114166, positive: 67523, positive conditional: 60251, positive unconditional: 7272, negative: 46643, negative conditional: 46624, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 60251, positive unconditional: 7272, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 60251, positive unconditional: 7272, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 59910, positive unconditional: 7613, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 31701, positive unconditional: 35822, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 31701, positive unconditional: 35822, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6687, positive: 6668, positive conditional: 0, positive unconditional: 6668, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6687, positive: 6666, positive conditional: 0, positive unconditional: 6666, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67542, positive: 60855, positive conditional: 31701, positive unconditional: 29154, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6687, unknown conditional: 0, unknown unconditional: 6687] , Statistics on independence cache: Total cache size (in pairs): 6687, Positive cache size: 6668, Positive conditional cache size: 0, Positive unconditional cache size: 6668, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Eliminated conditions: 28209, Maximal queried relation: 0, Independence queries for same thread: 46624 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 153.09ms, Number of persistent set computation: 236, Number of trivial persistent sets: 188, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7291, positive: 7272, positive conditional: 0, positive unconditional: 7272, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 114166, positive: 67523, positive conditional: 60251, positive unconditional: 7272, negative: 46643, negative conditional: 46624, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 60251, positive unconditional: 7272, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 60251, positive unconditional: 7272, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 59910, positive unconditional: 7613, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 31701, positive unconditional: 35822, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67542, positive: 67523, positive conditional: 31701, positive unconditional: 35822, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6687, positive: 6668, positive conditional: 0, positive unconditional: 6668, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6687, positive: 6666, positive conditional: 0, positive unconditional: 6666, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67542, positive: 60855, positive conditional: 31701, positive unconditional: 29154, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6687, unknown conditional: 0, unknown unconditional: 6687] , Statistics on independence cache: Total cache size (in pairs): 6687, Positive cache size: 6668, Positive conditional cache size: 0, Positive unconditional cache size: 6668, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Eliminated conditions: 28209, Maximal queried relation: 0, Independence queries for same thread: 46624 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.00ms, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.00ms, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 270 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 816.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 70.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1274, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 99.9s SatisfiabilityAnalysisTime, 116.7s InterpolantComputationTime, 45405 NumberOfCodeBlocks, 45405 NumberOfCodeBlocksAsserted, 99 NumberOfCheckSat, 61654 ConstructedInterpolants, 0 QuantifiedInterpolants, 171958 SizeOfPredicates, 462 NumberOfNonLiveVariables, 27018 ConjunctsInSsa, 480 ConjunctsInUnsatCore, 33 InterpolantComputations, 7 PerfectInterpolantSequences, 352824/2058701 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 270 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 270 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown