/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 02:37:02,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 02:37:02,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 02:37:02,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 02:37:02,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 02:37:02,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 02:37:02,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 02:37:02,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 02:37:02,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 02:37:02,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 02:37:02,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 02:37:02,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 02:37:02,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 02:37:02,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 02:37:02,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 02:37:02,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 02:37:02,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 02:37:02,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 02:37:02,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 02:37:02,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 02:37:02,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 02:37:02,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 02:37:02,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 02:37:02,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 02:37:02,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 02:37:02,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 02:37:02,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 02:37:02,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 02:37:02,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 02:37:02,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 02:37:02,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 02:37:02,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 02:37:02,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 02:37:02,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 02:37:02,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 02:37:02,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 02:37:02,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 02:37:02,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 02:37:02,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 02:37:02,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 02:37:02,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 02:37:02,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 02:37:02,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 02:37:02,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 02:37:02,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 02:37:02,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 02:37:02,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 02:37:02,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 02:37:02,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 02:37:02,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 02:37:02,793 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 02:37:02,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 02:37:02,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 02:37:02,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 02:37:02,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 02:37:02,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 02:37:02,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 02:37:02,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 02:37:02,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 02:37:02,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 02:37:02,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 02:37:02,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 02:37:02,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 02:37:02,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 02:37:02,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 02:37:02,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 02:37:02,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 02:37:02,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 02:37:02,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 02:37:02,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 02:37:02,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s2.i [2022-11-16 02:37:03,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e7f2cf20/3afab91b590c42a6aff5d5f2c23fdcf3/FLAGfa4fe78a7 [2022-11-16 02:37:03,485 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 02:37:03,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i [2022-11-16 02:37:03,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e7f2cf20/3afab91b590c42a6aff5d5f2c23fdcf3/FLAGfa4fe78a7 [2022-11-16 02:37:03,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e7f2cf20/3afab91b590c42a6aff5d5f2c23fdcf3 [2022-11-16 02:37:03,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 02:37:03,514 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 02:37:03,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 02:37:03,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 02:37:03,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 02:37:03,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:37:03" (1/1) ... [2022-11-16 02:37:03,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292c3d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:03, skipping insertion in model container [2022-11-16 02:37:03,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:37:03" (1/1) ... [2022-11-16 02:37:03,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 02:37:03,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 02:37:03,893 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2022-11-16 02:37:03,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 02:37:03,915 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 02:37:03,947 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2022-11-16 02:37:03,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 02:37:04,001 INFO L208 MainTranslator]: Completed translation [2022-11-16 02:37:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04 WrapperNode [2022-11-16 02:37:04,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 02:37:04,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 02:37:04,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 02:37:04,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 02:37:04,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,055 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-16 02:37:04,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 02:37:04,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 02:37:04,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 02:37:04,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 02:37:04,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,091 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 02:37:04,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 02:37:04,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 02:37:04,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 02:37:04,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (1/1) ... [2022-11-16 02:37:04,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 02:37:04,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:37:04,130 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) [2022-11-16 02:37:04,141 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 [2022-11-16 02:37:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 02:37:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 02:37:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 02:37:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 02:37:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 02:37:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 02:37:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 02:37:04,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 02:37:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 02:37:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 02:37:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 02:37:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 02:37:04,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 02:37:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 02:37:04,164 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 02:37:04,335 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 02:37:04,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 02:37:04,648 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 02:37:04,652 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 02:37:04,652 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 02:37:04,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 02:37:04 BoogieIcfgContainer [2022-11-16 02:37:04,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 02:37:04,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 02:37:04,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 02:37:04,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 02:37:04,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:37:03" (1/3) ... [2022-11-16 02:37:04,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb57dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:37:04, skipping insertion in model container [2022-11-16 02:37:04,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:37:04" (2/3) ... [2022-11-16 02:37:04,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb57dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:37:04, skipping insertion in model container [2022-11-16 02:37:04,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 02:37:04" (3/3) ... [2022-11-16 02:37:04,660 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2022-11-16 02:37:04,665 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 02:37:04,697 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 02:37:04,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 02:37:04,697 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 02:37:04,812 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 02:37:04,881 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 02:37:04,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 02:37:04,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:37:04,884 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) [2022-11-16 02:37:04,885 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 [2022-11-16 02:37:04,905 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 02:37:04,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 02:37:04,917 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1482f3f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 02:37:04,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 02:37:05,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:37:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:37:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash 709450974, now seen corresponding path program 1 times [2022-11-16 02:37:05,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:37:05,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500120254] [2022-11-16 02:37:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:37:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:37:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:37:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:05,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:37:05,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500120254] [2022-11-16 02:37:05,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500120254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 02:37:05,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 02:37:05,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 02:37:05,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783807097] [2022-11-16 02:37:05,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 02:37:05,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 02:37:05,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:37:05,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 02:37:05,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 02:37:05,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:05,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:37:05,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 02:37:05,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:05,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 02:37:05,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:37:05,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:37:05,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1689185662, now seen corresponding path program 1 times [2022-11-16 02:37:05,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:37:05,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110815428] [2022-11-16 02:37:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:37:05,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:37:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:37:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:06,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:37:06,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110815428] [2022-11-16 02:37:06,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110815428] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 02:37:06,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002196550] [2022-11-16 02:37:06,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:37:06,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:37:06,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:37:06,462 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) [2022-11-16 02:37:06,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 02:37:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:37:06,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-16 02:37:06,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 02:37:06,697 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 02:37:06,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 02:37:06,743 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 02:37:06,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 02:37:06,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:06,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:07,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:37:07,046 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 02:37:07,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-11-16 02:37:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:07,137 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:07,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-11-16 02:37:07,204 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:07,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2022-11-16 02:37:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:07,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 02:37:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:08,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002196550] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 02:37:08,165 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 02:37:08,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 17] total 42 [2022-11-16 02:37:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516753857] [2022-11-16 02:37:08,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 02:37:08,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-16 02:37:08,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:37:08,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-16 02:37:08,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1578, Unknown=0, NotChecked=0, Total=1722 [2022-11-16 02:37:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:08,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:37:08,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.761904761904762) internal successors, (200), 42 states have internal predecessors, (200), 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) [2022-11-16 02:37:08,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:08,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:37:09,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 02:37:09,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 02:37:09,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:37:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:37:09,407 INFO L85 PathProgramCache]: Analyzing trace with hash 148318154, now seen corresponding path program 2 times [2022-11-16 02:37:09,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:37:09,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430752222] [2022-11-16 02:37:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:37:09,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:37:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:37:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:09,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:37:09,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430752222] [2022-11-16 02:37:09,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430752222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 02:37:09,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409267757] [2022-11-16 02:37:09,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 02:37:09,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:37:09,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:37:09,938 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) [2022-11-16 02:37:09,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 02:37:10,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 02:37:10,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 02:37:10,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-16 02:37:10,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 02:37:10,120 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 02:37:10,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 02:37:10,155 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 02:37:10,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 02:37:10,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:10,234 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 02:37:10,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 02:37:10,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:10,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:10,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:10,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:10,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 02:37:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:10,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 02:37:10,679 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_90 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_90) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1)))) is different from false [2022-11-16 02:37:11,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 230 [2022-11-16 02:37:11,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 210 [2022-11-16 02:37:11,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2022-11-16 02:37:11,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 198 [2022-11-16 02:37:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-11-16 02:37:11,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409267757] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 02:37:11,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 02:37:11,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 45 [2022-11-16 02:37:11,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105528060] [2022-11-16 02:37:11,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 02:37:11,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-16 02:37:11,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:37:11,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-16 02:37:11,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1701, Unknown=22, NotChecked=84, Total=1980 [2022-11-16 02:37:11,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:11,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:37:11,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.4222222222222225) internal successors, (199), 45 states have internal predecessors, (199), 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) [2022-11-16 02:37:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:37:11,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:37:12,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:37:12,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 02:37:12,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:37:12,754 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:37:12,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:37:12,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1763211410, now seen corresponding path program 3 times [2022-11-16 02:37:12,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:37:12,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293998789] [2022-11-16 02:37:12,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:37:12,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:37:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:37:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:13,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:37:13,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293998789] [2022-11-16 02:37:13,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293998789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 02:37:13,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943324133] [2022-11-16 02:37:13,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 02:37:13,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:37:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:37:13,261 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) [2022-11-16 02:37:13,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 02:37:13,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 02:37:13,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 02:37:13,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-16 02:37:13,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 02:37:13,514 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 02:37:13,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-16 02:37:13,567 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 02:37:13,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-16 02:37:13,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:13,729 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-16 02:37:13,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-16 02:37:13,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:14,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:14,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:14,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:14,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:14,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 02:37:14,269 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:14,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 02:37:14,336 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_138) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1)))) is different from false [2022-11-16 02:37:15,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 974 treesize of output 938 [2022-11-16 02:37:15,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 934 treesize of output 902 [2022-11-16 02:37:15,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 902 treesize of output 886 [2022-11-16 02:37:15,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 886 treesize of output 822 [2022-11-16 02:37:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2022-11-16 02:37:16,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943324133] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 02:37:16,010 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 02:37:16,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20, 18] total 50 [2022-11-16 02:37:16,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523871988] [2022-11-16 02:37:16,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 02:37:16,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-16 02:37:16,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:37:16,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-16 02:37:16,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=2105, Unknown=47, NotChecked=94, Total=2450 [2022-11-16 02:37:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:16,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:37:16,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.4) internal successors, (220), 50 states have internal predecessors, (220), 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) [2022-11-16 02:37:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:37:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:37:16,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:37:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:37:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:37:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:37:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:37:17,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 02:37:17,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:37:17,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:37:17,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:37:17,449 INFO L85 PathProgramCache]: Analyzing trace with hash -524847854, now seen corresponding path program 4 times [2022-11-16 02:37:17,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:37:17,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020016486] [2022-11-16 02:37:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:37:17,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:37:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:37:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:18,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:37:18,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020016486] [2022-11-16 02:37:18,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020016486] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 02:37:18,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123874852] [2022-11-16 02:37:18,056 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 02:37:18,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:37:18,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:37:18,066 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) [2022-11-16 02:37:18,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 02:37:18,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 02:37:18,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 02:37:18,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 02:37:18,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 02:37:18,240 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 02:37:18,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 02:37:18,267 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 02:37:18,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 02:37:18,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:18,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:37:18,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:37:18,559 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 02:37:18,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-11-16 02:37:18,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:37:18,643 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:18,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-16 02:37:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:37:18,713 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:18,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:37:18,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:37:18,778 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:18,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:37:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:37:18,881 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:18,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:37:18,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:37:18,950 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:18,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:37:19,011 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:37:19,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 02:37:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:37:19,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 02:38:12,189 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48| Int)) (or (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48|)) (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46| Int) (v_ArrVal_197 Int) (v_ArrVal_194 Int) (v_ArrVal_192 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_45| Int) (v_ArrVal_190 Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_45|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_190) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_192) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_194) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_45| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_197)) c_~v~0.base) c_~v~0.offset)))))) is different from false [2022-11-16 02:40:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 14 refuted. 14 times theorem prover too weak. 0 trivial. 9 not checked. [2022-11-16 02:40:38,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123874852] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 02:40:38,962 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 02:40:38,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 25] total 57 [2022-11-16 02:40:38,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650517275] [2022-11-16 02:40:38,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 02:40:38,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-11-16 02:40:38,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:40:38,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-11-16 02:40:38,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2731, Unknown=82, NotChecked=108, Total=3192 [2022-11-16 02:40:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:40:38,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:40:38,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.350877192982456) internal successors, (248), 57 states have internal predecessors, (248), 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) [2022-11-16 02:40:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:40:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:40:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:40:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:40:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:40:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:40:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:40:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:40:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:40:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 02:40:41,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 02:40:41,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:40:41,773 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:40:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:40:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1070539378, now seen corresponding path program 5 times [2022-11-16 02:40:41,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:40:41,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136804454] [2022-11-16 02:40:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:40:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:40:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:40:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:40:42,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:40:42,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136804454] [2022-11-16 02:40:42,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136804454] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 02:40:42,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118789405] [2022-11-16 02:40:42,513 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 02:40:42,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:40:42,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 02:40:42,519 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) [2022-11-16 02:40:42,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 02:40:42,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-11-16 02:40:42,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 02:40:42,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-16 02:40:42,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 02:40:42,677 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 02:40:42,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 02:40:42,708 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 02:40:42,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 02:40:42,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:40:42,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 02:40:43,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:40:43,060 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 02:40:43,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-11-16 02:40:43,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:40:43,183 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-16 02:40:43,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:40:43,241 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:40:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:40:43,327 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:40:43,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:40:43,388 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:40:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 02:40:43,448 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:40:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 02:40:43,507 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 02:40:43,581 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 02:40:43,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 02:40:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 32 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:40:43,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 02:41:48,737 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| Int)) (or (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| Int) (v_ArrVal_256 Int) (v_ArrVal_253 Int) (v_ArrVal_261 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| Int) (v_ArrVal_259 Int)) (or (= (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_253) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_256) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_259) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_261)) c_~v~0.base) c_~v~0.offset) 66) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61|)))) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63|)))) is different from false [2022-11-16 02:42:28,804 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| Int) (v_ArrVal_256 Int) (v_ArrVal_253 Int) (v_ArrVal_251 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| Int) (v_ArrVal_261 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| Int) (v_ArrVal_259 Int)) (or (not (<= (+ 2 |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) v_ArrVal_251) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_253) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_256) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_259) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_261)) c_~v~0.base) c_~v~0.offset)))) is different from false [2022-11-16 02:44:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 16 refuted. 12 times theorem prover too weak. 4 trivial. 20 not checked. [2022-11-16 02:44:02,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118789405] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 02:44:02,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 02:44:02,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24, 25] total 60 [2022-11-16 02:44:02,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055034952] [2022-11-16 02:44:02,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 02:44:02,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-16 02:44:02,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:44:02,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-16 02:44:02,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=2952, Unknown=77, NotChecked=226, Total=3540 [2022-11-16 02:44:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:44:02,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:44:02,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.283333333333333) internal successors, (257), 60 states have internal predecessors, (257), 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) [2022-11-16 02:44:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:44:02,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:44:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:44:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:44:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 02:44:02,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:44:06,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:44:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:44:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:44:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:44:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 02:44:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-16 02:44:06,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 02:44:06,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 02:44:06,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 02:44:06,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 02:44:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash 846409917, now seen corresponding path program 1 times [2022-11-16 02:44:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 02:44:06,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542888840] [2022-11-16 02:44:06,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 02:44:06,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 02:44:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 02:44:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 02:44:06,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 02:44:06,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542888840] [2022-11-16 02:44:06,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542888840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 02:44:06,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 02:44:06,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 02:44:06,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665500743] [2022-11-16 02:44:06,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 02:44:06,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 02:44:06,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 02:44:06,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 02:44:06,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 02:44:06,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:44:06,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 02:44:06,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-16 02:44:06,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 02:44:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 02:44:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 02:44:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 02:44:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 02:44:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 02:44:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-16 02:44:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 02:44:06,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 02:44:06,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 02:44:06,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 02:44:06,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 02:44:06,887 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2022-11-16 02:44:06,888 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 02:44:06,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 02:44:06,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 02:44:06 BasicIcfg [2022-11-16 02:44:06,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 02:44:06,890 INFO L158 Benchmark]: Toolchain (without parser) took 423375.95ms. Allocated memory was 178.3MB in the beginning and 556.8MB in the end (delta: 378.5MB). Free memory was 145.3MB in the beginning and 361.3MB in the end (delta: -216.1MB). Peak memory consumption was 162.3MB. Max. memory is 8.0GB. [2022-11-16 02:44:06,890 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 134.0MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 02:44:06,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.07ms. Allocated memory was 178.3MB in the beginning and 244.3MB in the end (delta: 66.1MB). Free memory was 145.1MB in the beginning and 192.1MB in the end (delta: -47.1MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2022-11-16 02:44:06,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.40ms. Allocated memory is still 244.3MB. Free memory was 192.1MB in the beginning and 189.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-16 02:44:06,891 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 244.3MB. Free memory was 189.6MB in the beginning and 188.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 02:44:06,891 INFO L158 Benchmark]: RCFGBuilder took 559.68ms. Allocated memory is still 244.3MB. Free memory was 187.7MB in the beginning and 174.0MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-16 02:44:06,891 INFO L158 Benchmark]: TraceAbstraction took 422234.66ms. Allocated memory was 244.3MB in the beginning and 556.8MB in the end (delta: 312.5MB). Free memory was 173.3MB in the beginning and 361.3MB in the end (delta: -188.0MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. [2022-11-16 02:44:06,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory was 134.2MB in the beginning and 134.0MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.07ms. Allocated memory was 178.3MB in the beginning and 244.3MB in the end (delta: 66.1MB). Free memory was 145.1MB in the beginning and 192.1MB in the end (delta: -47.1MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.40ms. Allocated memory is still 244.3MB. Free memory was 192.1MB in the beginning and 189.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.65ms. Allocated memory is still 244.3MB. Free memory was 189.6MB in the beginning and 188.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 559.68ms. Allocated memory is still 244.3MB. Free memory was 187.7MB in the beginning and 174.0MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 422234.66ms. Allocated memory was 244.3MB in the beginning and 556.8MB in the end (delta: 312.5MB). Free memory was 173.3MB in the beginning and 361.3MB in the end (delta: -188.0MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1318, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 286, dependent conditional: 278, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 99, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 510, independent conditional: 0, independent unconditional: 510, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 80, dependent conditional: 65, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1156, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 85, dependent conditional: 48, dependent unconditional: 37, unknown: 549, unknown conditional: 31, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 549, Positive cache size: 510, Positive conditional cache size: 0, Positive unconditional cache size: 510, Negative cache size: 39, Negative conditional cache size: 31, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 7, Independence queries for same thread: 261 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 119, Number of trivial persistent sets: 105, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1318, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 286, dependent conditional: 278, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 99, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 510, independent conditional: 0, independent unconditional: 510, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 80, dependent conditional: 65, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1156, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 85, dependent conditional: 48, dependent unconditional: 37, unknown: 549, unknown conditional: 31, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 549, Positive cache size: 510, Positive conditional cache size: 0, Positive unconditional cache size: 510, Negative cache size: 39, Negative conditional cache size: 31, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 7, Independence queries for same thread: 261 - PositiveResult [Line: 1107]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 422.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 9.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 410.5s InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1406 ConstructedInterpolants, 238 QuantifiedInterpolants, 22756 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1201 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 98/579 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 02:44:06,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 02:44:07,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...