/usr/bin/java -Xmx8000000000 -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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 16:15:05,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 16:15:05,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 16:15:05,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 16:15:05,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 16:15:05,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 16:15:05,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 16:15:05,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 16:15:05,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 16:15:05,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 16:15:05,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 16:15:05,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 16:15:05,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 16:15:05,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 16:15:05,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 16:15:05,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 16:15:05,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 16:15:05,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 16:15:05,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 16:15:05,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 16:15:05,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 16:15:05,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 16:15:05,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 16:15:05,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 16:15:05,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 16:15:05,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 16:15:05,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 16:15:05,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 16:15:05,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 16:15:05,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 16:15:05,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 16:15:05,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 16:15:05,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 16:15:05,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 16:15:05,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 16:15:05,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 16:15:05,739 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 16:15:05,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 16:15:05,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 16:15:05,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 16:15:05,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 16:15:05,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 16:15:05,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 16:15:05,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 16:15:05,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 16:15:05,765 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 16:15:05,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 16:15:05,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 16:15:05,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 16:15:05,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 16:15:05,767 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 16:15:05,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 16:15:05,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 16:15:05,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 16:15:05,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 16:15:05,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 16:15:05,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 16:15:05,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 16:15:05,768 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 16:15:05,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 16:15:05,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 16:15:05,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 16:15:05,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 16:15:05,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 16:15:05,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 16:15:05,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 16:15:05,769 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 16:15:05,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 16:15:05,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 16:15:05,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 16:15:05,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 16:15:05,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 16:15:05,981 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 16:15:05,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2022-03-16 16:15:06,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d091f32d/6e1b965f2e1f4ebbb4a34aa941b15765/FLAG43956666b [2022-03-16 16:15:06,375 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 16:15:06,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2022-03-16 16:15:06,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d091f32d/6e1b965f2e1f4ebbb4a34aa941b15765/FLAG43956666b [2022-03-16 16:15:06,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d091f32d/6e1b965f2e1f4ebbb4a34aa941b15765 [2022-03-16 16:15:06,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 16:15:06,771 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 16:15:06,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 16:15:06,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 16:15:06,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 16:15:06,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:15:06" (1/1) ... [2022-03-16 16:15:06,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44028f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:06, skipping insertion in model container [2022-03-16 16:15:06,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 04:15:06" (1/1) ... [2022-03-16 16:15:06,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 16:15:06,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 16:15:06,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-03-16 16:15:07,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 16:15:07,154 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 16:15:07,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-03-16 16:15:07,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 16:15:07,256 INFO L208 MainTranslator]: Completed translation [2022-03-16 16:15:07,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07 WrapperNode [2022-03-16 16:15:07,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 16:15:07,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 16:15:07,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 16:15:07,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 16:15:07,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,294 INFO L137 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-03-16 16:15:07,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 16:15:07,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 16:15:07,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 16:15:07,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 16:15:07,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 16:15:07,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 16:15:07,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 16:15:07,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 16:15:07,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (1/1) ... [2022-03-16 16:15:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 16:15:07,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:07,405 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) [2022-03-16 16:15:07,411 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 [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2022-03-16 16:15:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 16:15:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2022-03-16 16:15:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2022-03-16 16:15:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure process [2022-03-16 16:15:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2022-03-16 16:15:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 16:15:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 16:15:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 16:15:07,439 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 16:15:07,681 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 16:15:07,682 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 16:15:07,867 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 16:15:07,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 16:15:07,873 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-16 16:15:07,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:15:07 BoogieIcfgContainer [2022-03-16 16:15:07,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 16:15:07,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 16:15:07,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 16:15:07,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 16:15:07,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 04:15:06" (1/3) ... [2022-03-16 16:15:07,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb530a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:15:07, skipping insertion in model container [2022-03-16 16:15:07,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 04:15:07" (2/3) ... [2022-03-16 16:15:07,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb530a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 04:15:07, skipping insertion in model container [2022-03-16 16:15:07,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 04:15:07" (3/3) ... [2022-03-16 16:15:07,884 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2022-03-16 16:15:07,887 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 16:15:07,888 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 16:15:07,888 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-16 16:15:07,888 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 16:15:07,946 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,946 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,946 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,946 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,947 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,947 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,947 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,947 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,948 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,948 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,948 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,948 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,948 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,949 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,949 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,949 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,949 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,950 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,950 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,950 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,951 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,951 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,951 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,952 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,952 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,952 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,953 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,954 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,955 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,956 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,957 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,957 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,957 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,957 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,958 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,959 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,959 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,959 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,959 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,959 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,960 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,960 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,960 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,961 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,961 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,961 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,961 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,961 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,962 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,963 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,963 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,963 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,963 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,965 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,965 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,965 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,965 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,966 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,966 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,968 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,973 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,973 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,973 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,973 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,974 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,975 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,977 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,978 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,978 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,978 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,978 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,978 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,978 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,979 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,979 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,981 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,982 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,983 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,983 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,985 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,985 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,985 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,986 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,986 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,986 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,986 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,986 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,986 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,987 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 16:15:07,988 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 16:15:08,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 16:15:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:08,045 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) [2022-03-16 16:15:08,046 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 [2022-03-16 16:15:08,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 16:15:08,068 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 16:15:08,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-16 16:15:08,657 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 170 states. [2022-03-16 16:15:08,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:08,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash -274539606, now seen corresponding path program 1 times [2022-03-16 16:15:08,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:08,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606060879] [2022-03-16 16:15:08,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:08,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:09,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:09,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606060879] [2022-03-16 16:15:09,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606060879] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:09,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 16:15:09,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 16:15:09,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278912908] [2022-03-16 16:15:09,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:09,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 16:15:09,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:09,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 16:15:09,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 16:15:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:09,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2022-03-16 16:15:09,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,393 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 170 states. [2022-03-16 16:15:09,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 16:15:09,394 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:09,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1943218347, now seen corresponding path program 1 times [2022-03-16 16:15:09,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:09,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852671260] [2022-03-16 16:15:09,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:09,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:09,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852671260] [2022-03-16 16:15:09,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852671260] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:09,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 16:15:09,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 16:15:09,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854760223] [2022-03-16 16:15:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:09,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 16:15:09,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:09,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 16:15:09,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 16:15:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:09,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2022-03-16 16:15:09,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,662 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 126 transitions and produced 127 states. [2022-03-16 16:15:09,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:09,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 16:15:09,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1039294732, now seen corresponding path program 1 times [2022-03-16 16:15:09,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:09,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403433163] [2022-03-16 16:15:09,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:09,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:09,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:09,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:09,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403433163] [2022-03-16 16:15:09,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403433163] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:09,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 16:15:09,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 16:15:09,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115748001] [2022-03-16 16:15:09,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:09,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 16:15:09,932 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:09,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 16:15:09,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 16:15:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:09,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2022-03-16 16:15:09,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:09,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:09,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:10,546 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 244 transitions and produced 245 states. [2022-03-16 16:15:10,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:15:10,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 16:15:10,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:10,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1082512188, now seen corresponding path program 1 times [2022-03-16 16:15:10,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:10,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195373983] [2022-03-16 16:15:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:10,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:10,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195373983] [2022-03-16 16:15:10,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195373983] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:15:10,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965726447] [2022-03-16 16:15:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:10,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:10,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:10,672 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) [2022-03-16 16:15:10,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 16:15:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:10,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 16:15:10,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:15:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:10,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:15:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:11,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965726447] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:15:11,083 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:15:11,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-16 16:15:11,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380415998] [2022-03-16 16:15:11,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:15:11,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-16 16:15:11,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:11,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-16 16:15:11,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-16 16:15:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:11,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:11,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 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) [2022-03-16 16:15:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:15:11,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:11,708 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 394 transitions and produced 395 states. [2022-03-16 16:15:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:15:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:11,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 16:15:11,928 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 [2022-03-16 16:15:11,929 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:11,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:11,929 INFO L85 PathProgramCache]: Analyzing trace with hash 493119542, now seen corresponding path program 2 times [2022-03-16 16:15:11,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:11,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689326245] [2022-03-16 16:15:11,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:11,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 16:15:12,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:12,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689326245] [2022-03-16 16:15:12,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689326245] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:15:12,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580423745] [2022-03-16 16:15:12,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 16:15:12,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:12,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:12,070 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) [2022-03-16 16:15:12,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 16:15:12,171 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-16 16:15:12,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 16:15:12,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 16:15:12,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:15:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-03-16 16:15:12,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 16:15:12,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580423745] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:12,391 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 16:15:12,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-03-16 16:15:12,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105750441] [2022-03-16 16:15:12,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:12,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 16:15:12,392 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:12,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 16:15:12,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-16 16:15:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:12,393 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:12,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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) [2022-03-16 16:15:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:15:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:15,710 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1482 transitions and produced 1472 states. [2022-03-16 16:15:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:15,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 16:15:15,926 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 [2022-03-16 16:15:15,926 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:15,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:15,927 INFO L85 PathProgramCache]: Analyzing trace with hash 433144234, now seen corresponding path program 1 times [2022-03-16 16:15:15,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:15,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016937180] [2022-03-16 16:15:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:15,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 1196 proven. 0 refuted. 0 times theorem prover too weak. 2337 trivial. 0 not checked. [2022-03-16 16:15:16,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:16,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016937180] [2022-03-16 16:15:16,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016937180] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:16,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 16:15:16,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 16:15:16,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73849262] [2022-03-16 16:15:16,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:16,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 16:15:16,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:16,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 16:15:16,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 16:15:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:16,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:16,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2022-03-16 16:15:16,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:16,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:16,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:16,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:16,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:16,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:18,856 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1318 transitions and produced 1310 states. [2022-03-16 16:15:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:18,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 16:15:18,858 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:18,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:18,858 INFO L85 PathProgramCache]: Analyzing trace with hash 111689448, now seen corresponding path program 1 times [2022-03-16 16:15:18,858 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:18,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487071367] [2022-03-16 16:15:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:18,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-03-16 16:15:19,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:19,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487071367] [2022-03-16 16:15:19,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487071367] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:15:19,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932898531] [2022-03-16 16:15:19,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:19,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:19,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:19,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 16:15:19,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 16:15:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:19,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-16 16:15:19,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:15:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-03-16 16:15:19,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:15:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-03-16 16:15:20,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932898531] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:15:20,296 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:15:20,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-16 16:15:20,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226333614] [2022-03-16 16:15:20,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:15:20,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-16 16:15:20,298 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:20,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-16 16:15:20,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-16 16:15:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:20,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:20,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.38888888888889) internal successors, (223), 18 states have internal predecessors, (223), 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) [2022-03-16 16:15:20,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:20,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:23,297 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1618 transitions and produced 1599 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:15:23,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 16:15:23,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:23,520 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:23,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:23,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1251269500, now seen corresponding path program 2 times [2022-03-16 16:15:23,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:23,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404876813] [2022-03-16 16:15:23,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:23,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2725 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-03-16 16:15:24,003 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:24,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404876813] [2022-03-16 16:15:24,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404876813] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:15:24,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507103913] [2022-03-16 16:15:24,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 16:15:24,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:24,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:24,012 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) [2022-03-16 16:15:24,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 16:15:24,313 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 16:15:24,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 16:15:24,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 16:15:24,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:15:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2725 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-03-16 16:15:24,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:15:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2725 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2022-03-16 16:15:25,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507103913] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:15:25,411 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:15:25,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-16 16:15:25,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371645466] [2022-03-16 16:15:25,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:15:25,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-16 16:15:25,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:25,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-16 16:15:25,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-16 16:15:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:25,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:25,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.043478260869565) internal successors, (277), 23 states have internal predecessors, (277), 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) [2022-03-16 16:15:25,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:25,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:25,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:25,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:25,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:25,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:25,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:15:25,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:28,511 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1843 transitions and produced 1816 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:15:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:15:28,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 16:15:28,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:28,739 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:28,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2012593831, now seen corresponding path program 3 times [2022-03-16 16:15:28,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:28,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789405544] [2022-03-16 16:15:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:28,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 1306 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-03-16 16:15:29,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:29,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789405544] [2022-03-16 16:15:29,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789405544] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:15:29,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469721947] [2022-03-16 16:15:29,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 16:15:29,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:29,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:15:29,320 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 16:15:29,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 16:15:29,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-03-16 16:15:29,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 16:15:29,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-16 16:15:29,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:15:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 1306 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-03-16 16:15:31,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:15:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 1306 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-03-16 16:15:33,169 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469721947] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:15:33,169 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:15:33,169 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2022-03-16 16:15:33,169 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009830413] [2022-03-16 16:15:33,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:15:33,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-16 16:15:33,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:33,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-16 16:15:33,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-03-16 16:15:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:33,171 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:33,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 13 states have internal predecessors, (154), 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) [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:15:33,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:43,300 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3797 transitions and produced 3750 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:15:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:15:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 16:15:43,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 16:15:43,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:15:43,516 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:15:43,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:15:43,516 INFO L85 PathProgramCache]: Analyzing trace with hash -806249880, now seen corresponding path program 1 times [2022-03-16 16:15:43,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:15:43,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664073675] [2022-03-16 16:15:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:15:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:15:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:15:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24614 backedges. 6127 proven. 0 refuted. 0 times theorem prover too weak. 18487 trivial. 0 not checked. [2022-03-16 16:15:43,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:15:43,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664073675] [2022-03-16 16:15:43,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664073675] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 16:15:43,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 16:15:43,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 16:15:43,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637723033] [2022-03-16 16:15:43,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 16:15:43,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 16:15:43,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:15:43,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 16:15:43,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 16:15:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:43,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:15:43,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2022-03-16 16:15:43,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:15:43,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:43,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 16:15:43,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:00,263 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4856 transitions and produced 4798 states. [2022-03-16 16:16:00,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:00,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 16:16:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:00,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-16 16:16:00,264 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:16:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:16:00,265 INFO L85 PathProgramCache]: Analyzing trace with hash -249695640, now seen corresponding path program 1 times [2022-03-16 16:16:00,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:16:00,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088914224] [2022-03-16 16:16:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:16:00,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:16:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:16:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 45955 backedges. 23617 proven. 1625 refuted. 0 times theorem prover too weak. 20713 trivial. 0 not checked. [2022-03-16 16:16:00,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:16:00,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088914224] [2022-03-16 16:16:00,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088914224] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:16:00,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514141075] [2022-03-16 16:16:00,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:16:00,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:16:00,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:16:00,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 16:16:00,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 16:16:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:16:01,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 2920 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 16:16:01,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:16:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 45955 backedges. 23617 proven. 1625 refuted. 0 times theorem prover too weak. 20713 trivial. 0 not checked. [2022-03-16 16:16:02,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:16:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 45955 backedges. 23617 proven. 1625 refuted. 0 times theorem prover too weak. 20713 trivial. 0 not checked. [2022-03-16 16:16:04,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514141075] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:16:04,102 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:16:04,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-16 16:16:04,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504147027] [2022-03-16 16:16:04,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:16:04,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-16 16:16:04,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:16:04,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-16 16:16:04,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-16 16:16:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:04,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:16:04,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.3) internal successors, (293), 10 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:33,865 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6974 transitions and produced 6797 states. [2022-03-16 16:16:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:16:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:16:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:16:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 16:16:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:33,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:33,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 16:16:34,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:16:34,068 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:16:34,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:16:34,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1951862168, now seen corresponding path program 2 times [2022-03-16 16:16:34,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:16:34,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952627280] [2022-03-16 16:16:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:16:34,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:16:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:16:35,877 INFO L134 CoverageAnalysis]: Checked inductivity of 108998 backedges. 63126 proven. 162 refuted. 0 times theorem prover too weak. 45710 trivial. 0 not checked. [2022-03-16 16:16:35,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:16:35,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952627280] [2022-03-16 16:16:35,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952627280] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:16:35,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334162940] [2022-03-16 16:16:35,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 16:16:35,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:16:35,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:16:35,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 16:16:35,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 16:16:36,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 16:16:36,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 16:16:36,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 4158 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-16 16:16:36,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:16:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 108998 backedges. 58597 proven. 24340 refuted. 0 times theorem prover too weak. 26061 trivial. 0 not checked. [2022-03-16 16:16:39,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:16:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 108998 backedges. 58597 proven. 24340 refuted. 0 times theorem prover too weak. 26061 trivial. 0 not checked. [2022-03-16 16:16:41,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334162940] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:16:41,285 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:16:41,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-03-16 16:16:41,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872365376] [2022-03-16 16:16:41,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:16:41,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-16 16:16:41,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:16:41,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-16 16:16:41,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-03-16 16:16:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:41,290 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:16:41,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 27.9) internal successors, (558), 20 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:41,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:16:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:16:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 16:16:41,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:41,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:41,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:50,621 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3661 transitions and produced 3616 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:16:50,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-16 16:16:50,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-16 16:16:50,829 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-03-16 16:16:50,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 16:16:50,830 INFO L85 PathProgramCache]: Analyzing trace with hash -891824377, now seen corresponding path program 1 times [2022-03-16 16:16:50,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 16:16:50,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062848180] [2022-03-16 16:16:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:16:50,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 16:16:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:16:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 9216 trivial. 0 not checked. [2022-03-16 16:16:51,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 16:16:51,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062848180] [2022-03-16 16:16:51,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062848180] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 16:16:51,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436454893] [2022-03-16 16:16:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 16:16:51,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 16:16:51,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 16:16:51,704 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 16:16:51,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 16:16:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 16:16:52,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-16 16:16:52,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 16:16:55,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 9216 trivial. 0 not checked. [2022-03-16 16:16:55,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 16:16:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 9216 trivial. 0 not checked. [2022-03-16 16:16:59,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436454893] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 16:16:59,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 16:16:59,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 14 [2022-03-16 16:16:59,510 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337332374] [2022-03-16 16:16:59,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 16:16:59,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 16:16:59,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 16:16:59,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 16:16:59,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-03-16 16:16:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:59,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 16:16:59,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 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) [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 16:16:59,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.