/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-ext/37_stack_lock_p0_vs_concur.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 07:58:01,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 07:58:01,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 07:58:01,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 07:58:01,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 07:58:01,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 07:58:01,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 07:58:01,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 07:58:01,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 07:58:01,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 07:58:01,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 07:58:01,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 07:58:01,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 07:58:01,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 07:58:01,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 07:58:01,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 07:58:01,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 07:58:01,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 07:58:01,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 07:58:01,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 07:58:01,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 07:58:01,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 07:58:01,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 07:58:01,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 07:58:01,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 07:58:01,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 07:58:01,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 07:58:01,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 07:58:01,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 07:58:01,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 07:58:01,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 07:58:01,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 07:58:01,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 07:58:01,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 07:58:01,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 07:58:01,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 07:58:01,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 07:58:01,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 07:58:01,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 07:58:01,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 07:58:01,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 07:58:01,570 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 07:58:01,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 07:58:01,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 07:58:01,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 07:58:01,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 07:58:01,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 07:58:01,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 07:58:01,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 07:58:01,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 07:58:01,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 07:58:01,586 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 07:58:01,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:58:01,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 07:58:01,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 07:58:01,588 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 07:58:01,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 07:58:01,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 07:58:01,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 07:58:01,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 07:58:01,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 07:58:01,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 07:58:01,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-14 07:58:01,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36f08fba/01d32e28624c44b5a564ed60cebbfab7/FLAG959eb04d1 [2021-11-14 07:58:02,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 07:58:02,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-14 07:58:02,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36f08fba/01d32e28624c44b5a564ed60cebbfab7/FLAG959eb04d1 [2021-11-14 07:58:02,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36f08fba/01d32e28624c44b5a564ed60cebbfab7 [2021-11-14 07:58:02,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 07:58:02,223 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 07:58:02,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 07:58:02,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 07:58:02,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 07:58:02,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5723ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02, skipping insertion in model container [2021-11-14 07:58:02,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 07:58:02,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 07:58:02,488 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-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-14 07:58:02,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:58:02,498 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 07:58:02,544 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-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-14 07:58:02,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:58:02,568 INFO L208 MainTranslator]: Completed translation [2021-11-14 07:58:02,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02 WrapperNode [2021-11-14 07:58:02,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 07:58:02,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 07:58:02,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 07:58:02,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 07:58:02,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 07:58:02,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 07:58:02,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 07:58:02,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 07:58:02,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 07:58:02,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 07:58:02,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 07:58:02,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 07:58:02,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (1/1) ... [2021-11-14 07:58:02,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:58:02,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:58:02,654 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 07:58:02,660 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 07:58:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 07:58:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-14 07:58:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-14 07:58:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 07:58:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 07:58:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 07:58:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 07:58:02,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 07:58:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 07:58:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 07:58:02,682 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 07:58:02,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 07:58:02,996 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-14 07:58:02,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:58:02 BoogieIcfgContainer [2021-11-14 07:58:02,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 07:58:02,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 07:58:02,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 07:58:03,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 07:58:03,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:58:02" (1/3) ... [2021-11-14 07:58:03,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55094f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:58:03, skipping insertion in model container [2021-11-14 07:58:03,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:58:02" (2/3) ... [2021-11-14 07:58:03,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55094f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:58:03, skipping insertion in model container [2021-11-14 07:58:03,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:58:02" (3/3) ... [2021-11-14 07:58:03,005 INFO L111 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2021-11-14 07:58:03,009 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 07:58:03,009 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 07:58:03,009 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 07:58:03,009 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 07:58:03,043 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,044 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,044 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,044 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,045 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,045 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,045 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,046 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,047 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,047 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,047 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,047 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,047 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,048 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,048 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,048 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,049 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,049 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,049 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,049 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,049 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,049 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,050 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,050 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,050 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,051 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,052 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,053 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,054 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,055 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,056 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,057 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,057 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,057 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,057 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,057 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,057 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,058 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,058 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,058 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,058 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,058 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,058 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,059 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,059 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,061 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,064 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,064 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,065 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,067 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,068 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,069 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,070 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#in~d#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,073 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,074 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,074 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,074 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~oldTop~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,074 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,075 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:03,077 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 07:58:03,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:58:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:58:03,114 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 07:58:03,115 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 07:58:03,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-14 07:58:03,150 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 07:58:03,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-14 07:58:03,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:58:03,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:58:03,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1230289989, now seen corresponding path program 1 times [2021-11-14 07:58:03,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:58:03,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339606011] [2021-11-14 07:58:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:03,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:58:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:03,490 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 07:58:03,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:58:03,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339606011] [2021-11-14 07:58:03,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339606011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:58:03,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:58:03,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 07:58:03,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333723891] [2021-11-14 07:58:03,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:58:03,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 07:58:03,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:58:03,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 07:58:03,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 07:58:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:58:03,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 07:58:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 07:58:03,550 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:58:03,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:58:03,551 INFO L85 PathProgramCache]: Analyzing trace with hash -150650450, now seen corresponding path program 1 times [2021-11-14 07:58:03,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:58:03,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973902954] [2021-11-14 07:58:03,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:03,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:58:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:03,640 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 07:58:03,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:58:03,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973902954] [2021-11-14 07:58:03,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973902954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:58:03,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:58:03,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-14 07:58:03,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194001585] [2021-11-14 07:58:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:58:03,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-14 07:58:03,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:58:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-14 07:58:03,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-14 07:58:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:58:03,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 07:58:03,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:03,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 07:58:03,713 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:58:03,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:58:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1265547001, now seen corresponding path program 1 times [2021-11-14 07:58:03,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:58:03,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839859651] [2021-11-14 07:58:03,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:03,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:58:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:03,805 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 07:58:03,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:58:03,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839859651] [2021-11-14 07:58:03,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839859651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:58:03,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:58:03,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 07:58:03,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566772925] [2021-11-14 07:58:03,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:58:03,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 07:58:03,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:58:03,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 07:58:03,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 07:58:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,807 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:58:03,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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 07:58:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 07:58:04,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 07:58:04,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:58:04,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:58:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash 588955704, now seen corresponding path program 1 times [2021-11-14 07:58:04,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:58:04,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101929588] [2021-11-14 07:58:04,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:04,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:58:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:04,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:58:04,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101929588] [2021-11-14 07:58:04,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101929588] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:58:04,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255692695] [2021-11-14 07:58:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:04,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:58:04,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:58:04,303 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 07:58:04,305 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 07:58:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:04,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-14 07:58:04,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:58:04,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 07:58:04,578 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-14 07:58:04,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-14 07:58:04,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-14 07:58:04,898 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-14 07:58:04,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-11-14 07:58:05,091 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:05,113 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-14 07:58:05,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2021-11-14 07:58:05,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:05,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:05,166 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-14 07:58:05,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-14 07:58:05,210 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 07:58:05,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-14 07:58:05,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-14 07:58:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:05,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:58:05,736 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre7#1| Int) (|ULTIMATE.start_main_~#t~0#1.offset| Int)) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base|) |ULTIMATE.start_main_~#t~0#1.offset| |ULTIMATE.start_main_#t~pre7#1|)) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) is different from false [2021-11-14 07:58:06,568 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 07:58:06,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 89 [2021-11-14 07:58:06,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-14 07:58:06,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-14 07:58:06,670 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 07:58:06,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 68 [2021-11-14 07:58:07,451 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 07:58:07,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 53 [2021-11-14 07:58:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2021-11-14 07:58:07,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255692695] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:58:07,511 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:58:07,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 30 [2021-11-14 07:58:07,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162420380] [2021-11-14 07:58:07,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:58:07,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-14 07:58:07,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:58:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-14 07:58:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=690, Unknown=1, NotChecked=54, Total=870 [2021-11-14 07:58:07,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:07,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:58:07,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.733333333333333) internal successors, (202), 30 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:58:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 07:58:07,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 07:58:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-14 07:58:08,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-14 07:58:08,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-14 07:58:08,792 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:58:08,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:58:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1542112957, now seen corresponding path program 2 times [2021-11-14 07:58:08,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:58:08,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859306831] [2021-11-14 07:58:08,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:08,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:58:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:09,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:58:09,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859306831] [2021-11-14 07:58:09,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859306831] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:58:09,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317370768] [2021-11-14 07:58:09,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 07:58:09,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:58:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:58:09,186 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 07:58:09,229 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 07:58:09,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 07:58:09,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:58:09,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-14 07:58:09,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:58:09,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 07:58:09,352 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-14 07:58:09,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-14 07:58:09,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-14 07:58:09,597 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-14 07:58:09,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-11-14 07:58:09,724 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:09,746 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-14 07:58:09,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30 [2021-11-14 07:58:09,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:09,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:09,844 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-14 07:58:09,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2021-11-14 07:58:10,210 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-14 07:58:10,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 56 [2021-11-14 07:58:10,493 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:10,514 INFO L354 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2021-11-14 07:58:10,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 44 [2021-11-14 07:58:10,611 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 07:58:10,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 23 [2021-11-14 07:58:10,761 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-11-14 07:58:10,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2021-11-14 07:58:10,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-14 07:58:10,855 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:10,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:58:18,183 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 07:58:18,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 150 treesize of output 150 [2021-11-14 07:58:18,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-14 07:58:18,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 07:58:18,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 66 [2021-11-14 07:58:19,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-14 07:58:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:19,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317370768] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:58:19,368 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:58:19,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 18] total 48 [2021-11-14 07:58:19,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178228313] [2021-11-14 07:58:19,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:58:19,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-14 07:58:19,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:58:19,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-14 07:58:19,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1939, Unknown=10, NotChecked=0, Total=2256 [2021-11-14 07:58:19,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:19,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:58:19,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.083333333333333) internal successors, (292), 48 states have internal predecessors, (292), 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 07:58:19,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:19,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:19,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 07:58:19,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-11-14 07:58:19,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:28,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:58:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:58:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 07:58:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-14 07:58:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 07:58:29,003 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 07:58:29,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:58:29,188 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:58:29,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:58:29,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1185695554, now seen corresponding path program 3 times [2021-11-14 07:58:29,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:58:29,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665407579] [2021-11-14 07:58:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:58:29,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:58:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:58:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:29,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:58:29,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665407579] [2021-11-14 07:58:29,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665407579] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:58:29,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690843340] [2021-11-14 07:58:29,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 07:58:29,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:58:29,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:58:29,626 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 07:58:29,626 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 07:58:29,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-14 07:58:29,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:58:29,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-14 07:58:29,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:58:29,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 07:58:29,809 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-14 07:58:29,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-14 07:58:29,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-14 07:58:30,083 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-14 07:58:30,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 33 [2021-11-14 07:58:30,268 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:30,290 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-14 07:58:30,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 42 [2021-11-14 07:58:30,379 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:30,402 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-14 07:58:30,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 39 [2021-11-14 07:58:31,073 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-14 07:58:31,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 67 [2021-11-14 07:58:32,167 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:32,204 INFO L354 Elim1Store]: treesize reduction 46, result has 43.9 percent of original size [2021-11-14 07:58:32,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 76 [2021-11-14 07:58:32,751 INFO L354 Elim1Store]: treesize reduction 28, result has 58.2 percent of original size [2021-11-14 07:58:32,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 87 [2021-11-14 07:58:35,011 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-11-14 07:58:35,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 93 treesize of output 106 [2021-11-14 07:58:38,847 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:58:38,897 INFO L354 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2021-11-14 07:58:38,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 97 [2021-11-14 07:58:39,690 INFO L354 Elim1Store]: treesize reduction 100, result has 25.4 percent of original size [2021-11-14 07:58:39,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 61 treesize of output 74 [2021-11-14 07:58:40,644 INFO L354 Elim1Store]: treesize reduction 208, result has 17.5 percent of original size [2021-11-14 07:58:40,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 97 treesize of output 108 [2021-11-14 07:58:49,560 WARN L227 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 07:58:56,961 WARN L227 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 07:58:57,347 INFO L354 Elim1Store]: treesize reduction 72, result has 51.7 percent of original size [2021-11-14 07:58:57,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 112 [2021-11-14 07:58:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:58:57,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:59:01,256 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 07:59:01,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 243 treesize of output 243 [2021-11-14 07:59:01,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-14 07:59:01,332 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 07:59:01,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 162 [2021-11-14 07:59:03,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2021-11-14 07:59:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:59:03,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690843340] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:59:03,754 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 07:59:03,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 21] total 57 [2021-11-14 07:59:03,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883066992] [2021-11-14 07:59:03,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 07:59:03,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-14 07:59:03,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:59:03,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-14 07:59:03,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=2785, Unknown=2, NotChecked=0, Total=3192 [2021-11-14 07:59:03,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:59:03,756 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:59:03,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.491228070175438) internal successors, (370), 57 states have internal predecessors, (370), 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 07:59:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:59:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:59:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 07:59:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-11-14 07:59:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 07:59:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:59:45,886 WARN L227 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 07:59:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:59:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-14 07:59:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 07:59:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-14 07:59:53,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-14 07:59:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-11-14 07:59:53,915 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 07:59:54,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:59:54,076 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-14 07:59:54,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:59:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1960313721, now seen corresponding path program 4 times [2021-11-14 07:59:54,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:59:54,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704107788] [2021-11-14 07:59:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:59:54,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:59:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:59:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:59:54,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:59:54,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704107788] [2021-11-14 07:59:54,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704107788] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 07:59:54,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402709984] [2021-11-14 07:59:54,597 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 07:59:54,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:59:54,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:59:54,598 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 07:59:54,598 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 07:59:54,669 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 07:59:54,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 07:59:54,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-14 07:59:54,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:59:54,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 07:59:54,793 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-14 07:59:54,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-14 07:59:54,948 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-14 07:59:54,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-11-14 07:59:55,016 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_push_~#newTop~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:59:55,018 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-14 07:59:55,034 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 07:59:55,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:59:55,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Shadow problem: [|thr1Thread1of1ForFork0_push_~#newTop~0#1.base|] at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:293) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:150) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:167) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateLight(PartialQuantifierElimination.java:111) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:127) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.constructQuantifiedFormula(TermDomainOperationProvider.java:115) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-14 07:59:55,238 INFO L158 Benchmark]: Toolchain (without parser) took 113014.67ms. Allocated memory was 371.2MB in the beginning and 572.5MB in the end (delta: 201.3MB). Free memory was 315.7MB in the beginning and 268.0MB in the end (delta: 47.7MB). Peak memory consumption was 249.6MB. Max. memory is 16.0GB. [2021-11-14 07:59:55,238 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 371.2MB. Free memory is still 333.3MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 07:59:55,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.25ms. Allocated memory was 371.2MB in the beginning and 476.1MB in the end (delta: 104.9MB). Free memory was 315.5MB in the beginning and 440.0MB in the end (delta: -124.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. [2021-11-14 07:59:55,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 476.1MB. Free memory was 440.0MB in the beginning and 437.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:59:55,239 INFO L158 Benchmark]: Boogie Preprocessor took 14.61ms. Allocated memory is still 476.1MB. Free memory was 437.9MB in the beginning and 436.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:59:55,239 INFO L158 Benchmark]: RCFGBuilder took 372.05ms. Allocated memory is still 476.1MB. Free memory was 436.9MB in the beginning and 420.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 07:59:55,239 INFO L158 Benchmark]: TraceAbstraction took 112239.20ms. Allocated memory was 476.1MB in the beginning and 572.5MB in the end (delta: 96.5MB). Free memory was 419.0MB in the beginning and 268.0MB in the end (delta: 151.0MB). Peak memory consumption was 247.5MB. Max. memory is 16.0GB. [2021-11-14 07:59:55,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 371.2MB. Free memory is still 333.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 344.25ms. Allocated memory was 371.2MB in the beginning and 476.1MB in the end (delta: 104.9MB). Free memory was 315.5MB in the beginning and 440.0MB in the end (delta: -124.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 476.1MB. Free memory was 440.0MB in the beginning and 437.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 14.61ms. Allocated memory is still 476.1MB. Free memory was 437.9MB in the beginning and 436.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 372.05ms. Allocated memory is still 476.1MB. Free memory was 436.9MB in the beginning and 420.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 112239.20ms. Allocated memory was 476.1MB in the beginning and 572.5MB in the end (delta: 96.5MB). Free memory was 419.0MB in the beginning and 268.0MB in the end (delta: 151.0MB). Peak memory consumption was 247.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Shadow problem: [|thr1Thread1of1ForFork0_push_~#newTop~0#1.base|] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Shadow problem: [|thr1Thread1of1ForFork0_push_~#newTop~0#1.base|]: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-14 07:59:55,265 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 07:59:55,659 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-14 07:59:55,679 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 137 Received shutdown request...