/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 19:03:55,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 19:03:55,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 19:03:55,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 19:03:55,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 19:03:55,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 19:03:55,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 19:03:55,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 19:03:55,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 19:03:55,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 19:03:55,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 19:03:55,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 19:03:55,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 19:03:55,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 19:03:55,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 19:03:55,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 19:03:55,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 19:03:55,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 19:03:55,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 19:03:55,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 19:03:55,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 19:03:55,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 19:03:55,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 19:03:55,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 19:03:55,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 19:03:55,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 19:03:55,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 19:03:55,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 19:03:55,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 19:03:55,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 19:03:55,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 19:03:55,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 19:03:55,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 19:03:55,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 19:03:55,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 19:03:55,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 19:03:55,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 19:03:55,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 19:03:55,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 19:03:55,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 19:03:55,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 19:03:55,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 19:03:55,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 19:03:55,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 19:03:55,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 19:03:55,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 19:03:55,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 19:03:55,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 19:03:55,456 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 19:03:55,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 19:03:55,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 19:03:55,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 19:03:55,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 19:03:55,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:03:55,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 19:03:55,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 19:03:55,459 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 19:03:55,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 19:03:55,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 19:03:55,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 19:03:55,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 19:03:55,614 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 19:03:55,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-03-15 19:03:55,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6964b038f/c3b6c94b87244683b8b048ea7d06bc1f/FLAG1147fcbe0 [2022-03-15 19:03:56,054 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 19:03:56,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-03-15 19:03:56,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6964b038f/c3b6c94b87244683b8b048ea7d06bc1f/FLAG1147fcbe0 [2022-03-15 19:03:56,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6964b038f/c3b6c94b87244683b8b048ea7d06bc1f [2022-03-15 19:03:56,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 19:03:56,455 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 19:03:56,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 19:03:56,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 19:03:56,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 19:03:56,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5239d619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56, skipping insertion in model container [2022-03-15 19:03:56,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 19:03:56,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 19:03:56,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2022-03-15 19:03:56,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:03:56,681 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 19:03:56,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2022-03-15 19:03:56,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:03:56,729 INFO L208 MainTranslator]: Completed translation [2022-03-15 19:03:56,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56 WrapperNode [2022-03-15 19:03:56,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 19:03:56,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 19:03:56,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 19:03:56,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 19:03:56,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,782 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 278 [2022-03-15 19:03:56,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 19:03:56,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 19:03:56,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 19:03:56,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 19:03:56,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 19:03:56,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 19:03:56,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 19:03:56,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 19:03:56,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (1/1) ... [2022-03-15 19:03:56,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:03:56,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:03:56,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 19:03:56,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 19:03:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 19:03:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 19:03:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 19:03:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 19:03:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 19:03:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 19:03:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 19:03:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 19:03:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 19:03:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 19:03:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 19:03:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 19:03:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 19:03:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-03-15 19:03:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-03-15 19:03:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-03-15 19:03:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-03-15 19:03:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 19:03:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 19:03:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 19:03:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 19:03:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 19:03:56,854 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 19:03:56,926 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 19:03:56,928 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 19:03:57,157 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 19:03:57,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 19:03:57,219 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 19:03:57,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:03:57 BoogieIcfgContainer [2022-03-15 19:03:57,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 19:03:57,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 19:03:57,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 19:03:57,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 19:03:57,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 07:03:56" (1/3) ... [2022-03-15 19:03:57,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318bd8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:03:57, skipping insertion in model container [2022-03-15 19:03:57,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:03:56" (2/3) ... [2022-03-15 19:03:57,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318bd8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:03:57, skipping insertion in model container [2022-03-15 19:03:57,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:03:57" (3/3) ... [2022-03-15 19:03:57,238 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2022-03-15 19:03:57,241 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 19:03:57,241 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 19:03:57,241 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 19:03:57,241 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 19:03:57,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,318 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,318 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,318 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,324 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,324 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,324 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,324 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,325 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,325 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,325 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,325 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,325 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,325 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,326 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,327 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,327 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,327 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,327 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,327 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,327 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,328 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,329 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,329 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,329 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,329 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,329 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,329 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,332 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,332 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,332 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,332 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,332 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,332 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,333 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,334 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,334 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,334 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,334 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,334 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,334 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,335 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,336 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,336 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,336 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,336 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,336 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,338 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,338 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,338 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,338 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,338 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,338 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,339 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,340 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:03:57,344 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-03-15 19:03:57,373 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 19:03:57,379 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 19:03:57,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 19:03:57,389 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 19:03:57,398 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 188 transitions, 424 flow [2022-03-15 19:03:57,403 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 188 transitions, 424 flow [2022-03-15 19:03:57,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 188 transitions, 424 flow [2022-03-15 19:03:57,496 INFO L129 PetriNetUnfolder]: 2/182 cut-off events. [2022-03-15 19:03:57,496 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-03-15 19:03:57,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 182 events. 2/182 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2022-03-15 19:03:57,503 INFO L116 LiptonReduction]: Number of co-enabled transitions 3042 [2022-03-15 19:04:03,853 INFO L131 LiptonReduction]: Checked pairs total: 15680 [2022-03-15 19:04:03,853 INFO L133 LiptonReduction]: Total number of compositions: 141 [2022-03-15 19:04:03,861 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 57 transitions, 162 flow [2022-03-15 19:04:05,680 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 54686 states, 54685 states have (on average 5.17165584712444) internal successors, (282812), 54685 states have internal predecessors, (282812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:05,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 54686 states, 54685 states have (on average 5.17165584712444) internal successors, (282812), 54685 states have internal predecessors, (282812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:04:06,343 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:04:06,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:04:06,344 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:04:06,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:04:06,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1373597296, now seen corresponding path program 1 times [2022-03-15 19:04:06,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:04:06,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845292323] [2022-03-15 19:04:06,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:04:06,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:04:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:04:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:04:06,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:04:06,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845292323] [2022-03-15 19:04:06,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845292323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:04:06,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:04:06,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 19:04:06,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [963910379] [2022-03-15 19:04:06,955 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:04:06,974 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:04:07,241 INFO L252 McrAutomatonBuilder]: Finished intersection with 338 states and 760 transitions. [2022-03-15 19:04:07,242 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:04:11,224 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [109587#(and (not (= ~x~0 1)) (= (mod ~b~0 256) 0))] [2022-03-15 19:04:11,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 19:04:11,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:04:11,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 19:04:11,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-15 19:04:11,334 INFO L87 Difference]: Start difference. First operand has 54686 states, 54685 states have (on average 5.17165584712444) internal successors, (282812), 54685 states have internal predecessors, (282812), 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) Second operand has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:12,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:04:12,666 INFO L93 Difference]: Finished difference Result 83263 states and 423387 transitions. [2022-03-15 19:04:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:04:12,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 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) Word has length 50 [2022-03-15 19:04:12,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:04:13,340 INFO L225 Difference]: With dead ends: 83263 [2022-03-15 19:04:13,352 INFO L226 Difference]: Without dead ends: 61514 [2022-03-15 19:04:13,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 168 SyntacticMatches, 120 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-15 19:04:13,357 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 139 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 19:04:13,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 8 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 19:04:13,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61514 states. [2022-03-15 19:04:15,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61514 to 61514. [2022-03-15 19:04:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61514 states, 61513 states have (on average 5.071773446263392) internal successors, (311980), 61513 states have internal predecessors, (311980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61514 states to 61514 states and 311980 transitions. [2022-03-15 19:04:16,686 INFO L78 Accepts]: Start accepts. Automaton has 61514 states and 311980 transitions. Word has length 50 [2022-03-15 19:04:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:04:16,693 INFO L470 AbstractCegarLoop]: Abstraction has 61514 states and 311980 transitions. [2022-03-15 19:04:16,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 61514 states and 311980 transitions. [2022-03-15 19:04:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:04:17,174 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:04:17,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:04:17,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 19:04:17,175 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:04:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:04:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash -697630640, now seen corresponding path program 2 times [2022-03-15 19:04:17,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:04:17,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953210267] [2022-03-15 19:04:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:04:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:04:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:04:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:04:17,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:04:17,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953210267] [2022-03-15 19:04:17,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953210267] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:04:17,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:04:17,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 19:04:17,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1243191485] [2022-03-15 19:04:17,351 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:04:17,360 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:04:17,623 INFO L252 McrAutomatonBuilder]: Finished intersection with 316 states and 715 transitions. [2022-03-15 19:04:17,623 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:04:18,973 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [315888#(<= (+ 2 ~s~0) ~m4~0), 315890#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~m4~0)), 315892#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 315889#(<= (+ 2 ~s~0) ~t~0), 315891#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0))] [2022-03-15 19:04:18,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 19:04:18,974 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:04:18,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 19:04:18,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-03-15 19:04:18,975 INFO L87 Difference]: Start difference. First operand 61514 states and 311980 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:22,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:04:22,405 INFO L93 Difference]: Finished difference Result 235796 states and 1099567 transitions. [2022-03-15 19:04:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 19:04:22,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 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) Word has length 50 [2022-03-15 19:04:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:04:25,119 INFO L225 Difference]: With dead ends: 235796 [2022-03-15 19:04:25,119 INFO L226 Difference]: Without dead ends: 235674 [2022-03-15 19:04:25,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2022-03-15 19:04:25,120 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 252 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 19:04:25,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 226 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 19:04:25,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235674 states. [2022-03-15 19:04:31,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235674 to 100150. [2022-03-15 19:04:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100150 states, 100149 states have (on average 4.817312204814826) internal successors, (482449), 100149 states have internal predecessors, (482449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100150 states to 100150 states and 482449 transitions. [2022-03-15 19:04:32,171 INFO L78 Accepts]: Start accepts. Automaton has 100150 states and 482449 transitions. Word has length 50 [2022-03-15 19:04:32,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:04:32,171 INFO L470 AbstractCegarLoop]: Abstraction has 100150 states and 482449 transitions. [2022-03-15 19:04:32,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 100150 states and 482449 transitions. [2022-03-15 19:04:32,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:04:32,813 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:04:32,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:04:32,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 19:04:32,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:04:32,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:04:32,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2108724458, now seen corresponding path program 3 times [2022-03-15 19:04:32,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:04:32,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270786177] [2022-03-15 19:04:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:04:32,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:04:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:04:33,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:04:33,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:04:33,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270786177] [2022-03-15 19:04:33,130 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270786177] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:04:33,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:04:33,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 19:04:33,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [423071615] [2022-03-15 19:04:33,131 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:04:33,144 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:04:33,282 INFO L252 McrAutomatonBuilder]: Finished intersection with 286 states and 628 transitions. [2022-03-15 19:04:33,283 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:04:35,253 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 17 new interpolants: [752016#(< ~s~0 ~t~0), 752025#(or (< ~s~0 ~t~0) (< ~s~0 ~m2~0)), 752029#(and (or (< ~s~0 ~t~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)) (<= ~s~0 ~t~0)), 752017#(< ~s~0 (+ ~t~0 1)), 752026#(and (or (< ~s~0 ~m2~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)) (or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0))), 752028#(and (or (< ~s~0 ~m2~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)) (or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0))), 752018#(< ~s~0 (+ 2 ~t~0)), 752015#(or (< (+ ~s~0 1) ~m5~0) (< ~s~0 ~m2~0)), 752023#(and (or (< ~s~0 ~m2~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)) (or (< (+ ~s~0 1) ~m5~0) (< ~s~0 ~m2~0))), 752019#(and (< (+ ~s~0 1) ~m5~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)), 752024#(and (or (< ~s~0 ~m2~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)) (or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0))), 752013#(< ~s~0 ~m5~0), 752022#(or (< (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 752020#(< (+ ~s~0 1) ~t~0), 752027#(or (< ~s~0 ~m2~0) (< ~s~0 (+ ~t~0 1))), 752021#(and (<= (+ 3 ~s~0) ~t~0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0)), 752014#(< (+ ~s~0 1) ~m5~0)] [2022-03-15 19:04:35,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-15 19:04:35,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:04:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-15 19:04:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2022-03-15 19:04:35,254 INFO L87 Difference]: Start difference. First operand 100150 states and 482449 transitions. Second operand has 25 states, 25 states have (on average 6.56) internal successors, (164), 24 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:04:38,959 INFO L93 Difference]: Finished difference Result 263204 states and 1147122 transitions. [2022-03-15 19:04:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-15 19:04:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.56) internal successors, (164), 24 states have internal predecessors, (164), 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) Word has length 50 [2022-03-15 19:04:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:04:41,630 INFO L225 Difference]: With dead ends: 263204 [2022-03-15 19:04:41,630 INFO L226 Difference]: Without dead ends: 262308 [2022-03-15 19:04:41,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=381, Invalid=879, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 19:04:41,640 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 571 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 1936 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 2138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 19:04:41,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [571 Valid, 360 Invalid, 2138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1936 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 19:04:42,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262308 states. [2022-03-15 19:04:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262308 to 136564. [2022-03-15 19:04:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136564 states, 136563 states have (on average 4.50023798539868) internal successors, (614566), 136563 states have internal predecessors, (614566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136564 states to 136564 states and 614566 transitions. [2022-03-15 19:04:50,547 INFO L78 Accepts]: Start accepts. Automaton has 136564 states and 614566 transitions. Word has length 50 [2022-03-15 19:04:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:04:50,547 INFO L470 AbstractCegarLoop]: Abstraction has 136564 states and 614566 transitions. [2022-03-15 19:04:50,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.56) internal successors, (164), 24 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 136564 states and 614566 transitions. [2022-03-15 19:04:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:04:51,231 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:04:51,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:04:51,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 19:04:51,231 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:04:51,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:04:51,237 INFO L85 PathProgramCache]: Analyzing trace with hash 456880076, now seen corresponding path program 4 times [2022-03-15 19:04:51,238 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:04:51,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184474037] [2022-03-15 19:04:51,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:04:51,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:04:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:04:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:04:51,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:04:51,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184474037] [2022-03-15 19:04:51,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184474037] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:04:51,794 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:04:51,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 19:04:51,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1868144561] [2022-03-15 19:04:51,794 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:04:51,803 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:04:51,941 INFO L252 McrAutomatonBuilder]: Finished intersection with 308 states and 670 transitions. [2022-03-15 19:04:51,941 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:04:53,358 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 12 new interpolants: [1288393#(<= (+ 2 ~s~0) ~m1~0), 1288397#(<= (+ 5 ~s~0) ~m1~0), 1288400#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 1288402#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 1288403#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0)), 1288399#(or (< ~s~0 ~m2~0) (<= (+ 5 ~s~0) ~m1~0)), 1288396#(<= (+ ~s~0 4) ~t~0), 1288404#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 1288395#(<= (+ ~s~0 4) ~m1~0), 1288398#(<= (+ 5 ~s~0) ~t~0), 1288394#(<= (+ 3 ~s~0) ~m1~0), 1288401#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m2~0))] [2022-03-15 19:04:53,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 19:04:53,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:04:53,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 19:04:53,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-15 19:04:53,359 INFO L87 Difference]: Start difference. First operand 136564 states and 614566 transitions. Second operand has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 20 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:04:58,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:04:58,609 INFO L93 Difference]: Finished difference Result 286718 states and 1115305 transitions. [2022-03-15 19:04:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 19:04:58,609 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 20 states have internal predecessors, (173), 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) Word has length 50 [2022-03-15 19:04:58,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:00,333 INFO L225 Difference]: With dead ends: 286718 [2022-03-15 19:05:00,333 INFO L226 Difference]: Without dead ends: 247096 [2022-03-15 19:05:00,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1102, Invalid=2930, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 19:05:00,357 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 1148 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 3377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 2886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:00,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1148 Valid, 506 Invalid, 3377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 2886 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 19:05:00,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247096 states. [2022-03-15 19:05:06,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247096 to 134286. [2022-03-15 19:05:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134286 states, 134285 states have (on average 4.0418438395948915) internal successors, (542759), 134285 states have internal predecessors, (542759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134286 states to 134286 states and 542759 transitions. [2022-03-15 19:05:07,700 INFO L78 Accepts]: Start accepts. Automaton has 134286 states and 542759 transitions. Word has length 50 [2022-03-15 19:05:07,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:07,700 INFO L470 AbstractCegarLoop]: Abstraction has 134286 states and 542759 transitions. [2022-03-15 19:05:07,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 20 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand 134286 states and 542759 transitions. [2022-03-15 19:05:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:05:08,433 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:08,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:08,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 19:05:08,434 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:05:08,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:08,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1650464494, now seen corresponding path program 5 times [2022-03-15 19:05:08,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:08,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702975932] [2022-03-15 19:05:08,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:08,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:08,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:08,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702975932] [2022-03-15 19:05:08,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702975932] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:08,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:08,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 19:05:08,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2129125199] [2022-03-15 19:05:08,635 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:08,644 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:08,766 INFO L252 McrAutomatonBuilder]: Finished intersection with 340 states and 759 transitions. [2022-03-15 19:05:08,766 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:10,536 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 12 new interpolants: [1843791#(< (+ 2 ~s~0) ~m6~0), 1843792#(< (+ 3 ~s~0) ~m6~0), 1843793#(<= (+ ~s~0 4) ~t~0), 1843797#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 1843798#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m2~0)), 1843799#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 1843800#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0)), 1843801#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 1843790#(< (+ ~s~0 1) ~m6~0), 1843795#(<= (+ 5 ~s~0) ~t~0), 1843796#(or (< ~s~0 ~m2~0) (< (+ ~s~0 4) ~m6~0)), 1843794#(< (+ ~s~0 4) ~m6~0)] [2022-03-15 19:05:10,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 19:05:10,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:10,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 19:05:10,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-15 19:05:10,540 INFO L87 Difference]: Start difference. First operand 134286 states and 542759 transitions. Second operand has 21 states, 21 states have (on average 8.523809523809524) internal successors, (179), 20 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:13,819 INFO L93 Difference]: Finished difference Result 216886 states and 765750 transitions. [2022-03-15 19:05:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 19:05:13,820 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.523809523809524) internal successors, (179), 20 states have internal predecessors, (179), 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) Word has length 50 [2022-03-15 19:05:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:15,344 INFO L225 Difference]: With dead ends: 216886 [2022-03-15 19:05:15,344 INFO L226 Difference]: Without dead ends: 182824 [2022-03-15 19:05:15,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 279 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1063 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1102, Invalid=2930, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 19:05:15,345 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 896 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 3184 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 3504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 3184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:15,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 590 Invalid, 3504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 3184 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 19:05:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182824 states. [2022-03-15 19:05:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182824 to 138084. [2022-03-15 19:05:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138084 states, 138083 states have (on average 3.5918759007263747) internal successors, (495977), 138083 states have internal predecessors, (495977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138084 states to 138084 states and 495977 transitions. [2022-03-15 19:05:20,649 INFO L78 Accepts]: Start accepts. Automaton has 138084 states and 495977 transitions. Word has length 50 [2022-03-15 19:05:20,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:20,649 INFO L470 AbstractCegarLoop]: Abstraction has 138084 states and 495977 transitions. [2022-03-15 19:05:20,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.523809523809524) internal successors, (179), 20 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 138084 states and 495977 transitions. [2022-03-15 19:05:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:05:21,346 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:21,353 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:21,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 19:05:21,354 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:05:21,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:21,354 INFO L85 PathProgramCache]: Analyzing trace with hash -972815546, now seen corresponding path program 6 times [2022-03-15 19:05:21,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:21,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144851715] [2022-03-15 19:05:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:21,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:21,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144851715] [2022-03-15 19:05:21,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144851715] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:21,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:21,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 19:05:21,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [796971680] [2022-03-15 19:05:21,552 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:21,560 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:21,672 INFO L252 McrAutomatonBuilder]: Finished intersection with 284 states and 605 transitions. [2022-03-15 19:05:21,673 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:23,034 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 10 new interpolants: [2336956#(<= (+ 5 ~s~0) ~t~0), 2336958#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 2336955#(<= (+ 5 ~s~0) ~m5~0), 2336954#(<= (+ ~s~0 4) ~t~0), 2336959#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m2~0)), 2336961#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0)), 2336960#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 2336957#(or (< ~s~0 ~m2~0) (<= (+ 5 ~s~0) ~m5~0)), 2336962#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 2336953#(<= (+ ~s~0 4) ~m5~0)] [2022-03-15 19:05:23,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 19:05:23,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 19:05:23,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-15 19:05:23,035 INFO L87 Difference]: Start difference. First operand 138084 states and 495977 transitions. Second operand has 21 states, 21 states have (on average 8.142857142857142) internal successors, (171), 20 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:26,718 INFO L93 Difference]: Finished difference Result 218410 states and 750599 transitions. [2022-03-15 19:05:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 19:05:26,719 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.142857142857142) internal successors, (171), 20 states have internal predecessors, (171), 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) Word has length 50 [2022-03-15 19:05:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:27,904 INFO L225 Difference]: With dead ends: 218410 [2022-03-15 19:05:27,905 INFO L226 Difference]: Without dead ends: 194712 [2022-03-15 19:05:27,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1102, Invalid=2930, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 19:05:27,906 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 768 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 3797 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 4114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 3797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:27,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 664 Invalid, 4114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 3797 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 19:05:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194712 states. [2022-03-15 19:05:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194712 to 129122. [2022-03-15 19:05:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129122 states, 129121 states have (on average 3.501049403272899) internal successors, (452059), 129121 states have internal predecessors, (452059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129122 states to 129122 states and 452059 transitions. [2022-03-15 19:05:33,109 INFO L78 Accepts]: Start accepts. Automaton has 129122 states and 452059 transitions. Word has length 50 [2022-03-15 19:05:33,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:33,111 INFO L470 AbstractCegarLoop]: Abstraction has 129122 states and 452059 transitions. [2022-03-15 19:05:33,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.142857142857142) internal successors, (171), 20 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 129122 states and 452059 transitions. [2022-03-15 19:05:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:05:33,453 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:33,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:33,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 19:05:33,453 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:05:33,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:33,453 INFO L85 PathProgramCache]: Analyzing trace with hash -24924632, now seen corresponding path program 7 times [2022-03-15 19:05:33,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:33,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937506800] [2022-03-15 19:05:33,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:33,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:33,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:33,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937506800] [2022-03-15 19:05:33,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937506800] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:33,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:33,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 19:05:33,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1228619419] [2022-03-15 19:05:33,571 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:33,580 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:33,986 INFO L252 McrAutomatonBuilder]: Finished intersection with 264 states and 553 transitions. [2022-03-15 19:05:33,986 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:35,106 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 10 new interpolants: [2813718#(or (< ~s~0 ~m2~0) (<= (+ 5 ~s~0) ~m4~0)), 2813717#(<= (+ 5 ~s~0) ~t~0), 2813721#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 2813719#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 2813723#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 2813716#(<= (+ 5 ~s~0) ~m4~0), 2813720#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m2~0)), 2813715#(<= (+ ~s~0 4) ~t~0), 2813722#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0)), 2813714#(<= (+ ~s~0 4) ~m4~0)] [2022-03-15 19:05:35,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 19:05:35,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:35,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 19:05:35,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-15 19:05:35,107 INFO L87 Difference]: Start difference. First operand 129122 states and 452059 transitions. Second operand has 21 states, 21 states have (on average 7.9523809523809526) internal successors, (167), 20 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:38,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:38,831 INFO L93 Difference]: Finished difference Result 204052 states and 677731 transitions. [2022-03-15 19:05:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 19:05:38,831 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.9523809523809526) internal successors, (167), 20 states have internal predecessors, (167), 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) Word has length 50 [2022-03-15 19:05:38,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:39,581 INFO L225 Difference]: With dead ends: 204052 [2022-03-15 19:05:39,581 INFO L226 Difference]: Without dead ends: 186548 [2022-03-15 19:05:39,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1002 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1102, Invalid=2930, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 19:05:39,582 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 760 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 3497 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 3847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 3497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:39,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [760 Valid, 645 Invalid, 3847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 3497 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 19:05:39,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186548 states. [2022-03-15 19:05:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186548 to 115656. [2022-03-15 19:05:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115656 states, 115655 states have (on average 3.3792745665989363) internal successors, (390830), 115655 states have internal predecessors, (390830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115656 states to 115656 states and 390830 transitions. [2022-03-15 19:05:44,124 INFO L78 Accepts]: Start accepts. Automaton has 115656 states and 390830 transitions. Word has length 50 [2022-03-15 19:05:44,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:44,124 INFO L470 AbstractCegarLoop]: Abstraction has 115656 states and 390830 transitions. [2022-03-15 19:05:44,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.9523809523809526) internal successors, (167), 20 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 115656 states and 390830 transitions. [2022-03-15 19:05:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:05:44,515 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:44,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:44,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 19:05:44,516 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:05:44,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:44,518 INFO L85 PathProgramCache]: Analyzing trace with hash 160290084, now seen corresponding path program 8 times [2022-03-15 19:05:44,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:44,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048624252] [2022-03-15 19:05:44,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:44,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:44,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:44,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048624252] [2022-03-15 19:05:44,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048624252] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:44,713 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:44,713 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-15 19:05:44,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [81871408] [2022-03-15 19:05:44,713 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:44,722 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:44,880 INFO L252 McrAutomatonBuilder]: Finished intersection with 238 states and 489 transitions. [2022-03-15 19:05:44,880 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:46,155 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 12 new interpolants: [3249185#(<= (+ ~s~0 4) ~t~0), 3249182#(<= (+ 3 ~s~0) ~m3~0), 3249193#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 3249190#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m2~0)), 3249188#(or (<= (+ 5 ~s~0) ~m3~0) (< ~s~0 ~m2~0)), 3249189#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 3249191#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 3249183#(<= (+ 3 ~s~0) ~t~0), 3249184#(<= (+ ~s~0 4) ~m3~0), 3249192#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0)), 3249186#(<= (+ 5 ~s~0) ~m3~0), 3249187#(<= (+ 5 ~s~0) ~t~0)] [2022-03-15 19:05:46,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 19:05:46,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:46,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 19:05:46,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-03-15 19:05:46,157 INFO L87 Difference]: Start difference. First operand 115656 states and 390830 transitions. Second operand has 20 states, 20 states have (on average 7.65) internal successors, (153), 19 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:48,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:48,256 INFO L93 Difference]: Finished difference Result 117232 states and 356736 transitions. [2022-03-15 19:05:48,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 19:05:48,256 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.65) internal successors, (153), 19 states have internal predecessors, (153), 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) Word has length 50 [2022-03-15 19:05:48,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:48,824 INFO L225 Difference]: With dead ends: 117232 [2022-03-15 19:05:48,824 INFO L226 Difference]: Without dead ends: 112142 [2022-03-15 19:05:48,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=728, Invalid=1822, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 19:05:48,840 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 688 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 2528 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 2528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:48,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 443 Invalid, 2820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 2528 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 19:05:49,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112142 states. [2022-03-15 19:05:50,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112142 to 88212. [2022-03-15 19:05:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88212 states, 88211 states have (on average 3.150593463400256) internal successors, (277917), 88211 states have internal predecessors, (277917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88212 states to 88212 states and 277917 transitions. [2022-03-15 19:05:51,474 INFO L78 Accepts]: Start accepts. Automaton has 88212 states and 277917 transitions. Word has length 50 [2022-03-15 19:05:51,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:51,487 INFO L470 AbstractCegarLoop]: Abstraction has 88212 states and 277917 transitions. [2022-03-15 19:05:51,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.65) internal successors, (153), 19 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 88212 states and 277917 transitions. [2022-03-15 19:05:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:05:51,714 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:51,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:51,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 19:05:51,714 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:05:51,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:51,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1132192234, now seen corresponding path program 9 times [2022-03-15 19:05:51,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:51,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976895049] [2022-03-15 19:05:51,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:51,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:51,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:51,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976895049] [2022-03-15 19:05:51,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976895049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:51,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:51,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-15 19:05:51,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1798508541] [2022-03-15 19:05:51,788 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:51,796 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:51,892 INFO L252 McrAutomatonBuilder]: Finished intersection with 250 states and 519 transitions. [2022-03-15 19:05:51,893 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:53,295 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 12 new interpolants: [3542928#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 3542932#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m2~0)), 3542927#(or (<= (+ 5 ~s~0) ~m3~0) (< ~s~0 ~m2~0)), 3542924#(<= (+ ~s~0 4) ~t~0), 3542923#(<= (+ ~s~0 4) ~m3~0), 3542925#(<= (+ 5 ~s~0) ~m3~0), 3542929#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m2~0)), 3542922#(<= (+ 3 ~s~0) ~t~0), 3542930#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m2~0)), 3542926#(<= (+ 5 ~s~0) ~t~0), 3542931#(or (< ~s~0 ~m2~0) (<= (+ 2 ~s~0) ~t~0)), 3542921#(<= (+ 3 ~s~0) ~m3~0)] [2022-03-15 19:05:53,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 19:05:53,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:53,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 19:05:53,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-15 19:05:53,296 INFO L87 Difference]: Start difference. First operand 88212 states and 277917 transitions. Second operand has 21 states, 21 states have (on average 7.761904761904762) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:55,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:05:55,486 INFO L93 Difference]: Finished difference Result 89366 states and 248565 transitions. [2022-03-15 19:05:55,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 19:05:55,486 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.761904761904762) internal successors, (163), 20 states have internal predecessors, (163), 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) Word has length 50 [2022-03-15 19:05:55,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:05:55,687 INFO L225 Difference]: With dead ends: 89366 [2022-03-15 19:05:55,688 INFO L226 Difference]: Without dead ends: 81916 [2022-03-15 19:05:55,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1000, Invalid=2540, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 19:05:55,690 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 655 mSDsluCounter, 2085 mSDsCounter, 0 mSdLazyCounter, 3470 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 3470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 19:05:55,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 616 Invalid, 3745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 3470 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 19:05:55,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81916 states. [2022-03-15 19:05:56,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81916 to 63600. [2022-03-15 19:05:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63600 states, 63599 states have (on average 2.883315775405274) internal successors, (183376), 63599 states have internal predecessors, (183376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63600 states to 63600 states and 183376 transitions. [2022-03-15 19:05:57,229 INFO L78 Accepts]: Start accepts. Automaton has 63600 states and 183376 transitions. Word has length 50 [2022-03-15 19:05:57,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:05:57,229 INFO L470 AbstractCegarLoop]: Abstraction has 63600 states and 183376 transitions. [2022-03-15 19:05:57,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.761904761904762) internal successors, (163), 20 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:05:57,229 INFO L276 IsEmpty]: Start isEmpty. Operand 63600 states and 183376 transitions. [2022-03-15 19:05:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:05:57,602 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:05:57,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:05:57,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 19:05:57,602 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:05:57,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:05:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1998945650, now seen corresponding path program 10 times [2022-03-15 19:05:57,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:05:57,635 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784243194] [2022-03-15 19:05:57,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:05:57,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:05:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:05:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:05:57,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:05:57,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784243194] [2022-03-15 19:05:57,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784243194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:05:57,797 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:05:57,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 19:05:57,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1055984023] [2022-03-15 19:05:57,798 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:05:57,816 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:05:57,903 INFO L252 McrAutomatonBuilder]: Finished intersection with 242 states and 503 transitions. [2022-03-15 19:05:57,903 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:05:59,199 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 12 new interpolants: [3759587#(<= (+ 3 ~s~0) ~m2~0), 3759593#(or (<= (+ 5 ~s~0) ~m2~0) (< ~s~0 ~m3~0)), 3759592#(<= (+ 5 ~s~0) ~t~0), 3759598#(or (<= (+ ~s~0 1) ~t~0) (< ~s~0 ~m3~0)), 3759588#(<= (+ ~s~0 4) ~m2~0), 3759594#(or (<= (+ 5 ~s~0) ~t~0) (< ~s~0 ~m3~0)), 3759589#(<= (+ 5 ~s~0) ~m2~0), 3759597#(or (<= (+ 2 ~s~0) ~t~0) (< ~s~0 ~m3~0)), 3759596#(or (<= (+ 3 ~s~0) ~t~0) (< ~s~0 ~m3~0)), 3759591#(<= (+ ~s~0 4) ~t~0), 3759590#(<= (+ 3 ~s~0) ~t~0), 3759595#(or (<= (+ ~s~0 4) ~t~0) (< ~s~0 ~m3~0))] [2022-03-15 19:05:59,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 19:05:59,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:05:59,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 19:05:59,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2022-03-15 19:05:59,200 INFO L87 Difference]: Start difference. First operand 63600 states and 183376 transitions. Second operand has 22 states, 22 states have (on average 7.318181818181818) internal successors, (161), 21 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:06:01,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:06:01,347 INFO L93 Difference]: Finished difference Result 44794 states and 105568 transitions. [2022-03-15 19:06:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-15 19:06:01,347 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.318181818181818) internal successors, (161), 21 states have internal predecessors, (161), 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) Word has length 50 [2022-03-15 19:06:01,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:06:01,465 INFO L225 Difference]: With dead ends: 44794 [2022-03-15 19:06:01,466 INFO L226 Difference]: Without dead ends: 29656 [2022-03-15 19:06:01,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2422 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1942, Invalid=5540, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 19:06:01,468 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 809 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 3225 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 3225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:06:01,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [809 Valid, 638 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 3225 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 19:06:01,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29656 states. [2022-03-15 19:06:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29656 to 15934. [2022-03-15 19:06:01,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15934 states, 15933 states have (on average 2.657691583505931) internal successors, (42345), 15933 states have internal predecessors, (42345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:06:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15934 states to 15934 states and 42345 transitions. [2022-03-15 19:06:01,802 INFO L78 Accepts]: Start accepts. Automaton has 15934 states and 42345 transitions. Word has length 50 [2022-03-15 19:06:01,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:06:01,803 INFO L470 AbstractCegarLoop]: Abstraction has 15934 states and 42345 transitions. [2022-03-15 19:06:01,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.318181818181818) internal successors, (161), 21 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:06:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 15934 states and 42345 transitions. [2022-03-15 19:06:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 19:06:01,826 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:06:01,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:06:01,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 19:06:01,826 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-15 19:06:01,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:06:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1443093298, now seen corresponding path program 11 times [2022-03-15 19:06:01,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:06:01,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458388131] [2022-03-15 19:06:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:06:01,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:06:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:06:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:06:01,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:06:01,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458388131] [2022-03-15 19:06:01,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458388131] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:06:01,949 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:06:01,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 19:06:01,949 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2075394901] [2022-03-15 19:06:01,949 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:06:01,956 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:06:02,218 INFO L252 McrAutomatonBuilder]: Finished intersection with 530 states and 1226 transitions. [2022-03-15 19:06:02,218 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:06:08,451 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:06:08,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 19:06:08,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:06:08,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 19:06:08,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 19:06:08,451 INFO L87 Difference]: Start difference. First operand 15934 states and 42345 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:06:08,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:06:08,602 INFO L93 Difference]: Finished difference Result 15933 states and 42344 transitions. [2022-03-15 19:06:08,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:06:08,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 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) Word has length 50 [2022-03-15 19:06:08,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:06:08,603 INFO L225 Difference]: With dead ends: 15933 [2022-03-15 19:06:08,603 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 19:06:08,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 267 SyntacticMatches, 215 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-03-15 19:06:08,603 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:06:08,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 4 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:06:08,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 19:06:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 19:06:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:06:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 19:06:08,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2022-03-15 19:06:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:06:08,604 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 19:06:08,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:06:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 19:06:08,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 7 remaining) [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION (1 of 7 remaining) [2022-03-15 19:06:08,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION (0 of 7 remaining) [2022-03-15 19:06:08,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 19:06:08,610 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-03-15 19:06:08,611 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 19:06:08,611 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 19:06:08,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 07:06:08 BasicIcfg [2022-03-15 19:06:08,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 19:06:08,613 INFO L158 Benchmark]: Toolchain (without parser) took 132158.00ms. Allocated memory was 219.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 163.6MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2022-03-15 19:06:08,613 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 219.2MB. Free memory is still 180.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 19:06:08,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.48ms. Allocated memory was 219.2MB in the beginning and 281.0MB in the end (delta: 61.9MB). Free memory was 163.3MB in the beginning and 251.9MB in the end (delta: -88.5MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-03-15 19:06:08,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.26ms. Allocated memory is still 281.0MB. Free memory was 251.9MB in the beginning and 249.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 19:06:08,614 INFO L158 Benchmark]: Boogie Preprocessor took 17.96ms. Allocated memory is still 281.0MB. Free memory was 249.3MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 19:06:08,614 INFO L158 Benchmark]: RCFGBuilder took 420.45ms. Allocated memory is still 281.0MB. Free memory was 247.7MB in the beginning and 222.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-03-15 19:06:08,614 INFO L158 Benchmark]: TraceAbstraction took 131390.22ms. Allocated memory was 281.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 222.0MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2022-03-15 19:06:08,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 219.2MB. Free memory is still 180.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.48ms. Allocated memory was 219.2MB in the beginning and 281.0MB in the end (delta: 61.9MB). Free memory was 163.3MB in the beginning and 251.9MB in the end (delta: -88.5MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.26ms. Allocated memory is still 281.0MB. Free memory was 251.9MB in the beginning and 249.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.96ms. Allocated memory is still 281.0MB. Free memory was 249.3MB in the beginning and 247.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 420.45ms. Allocated memory is still 281.0MB. Free memory was 247.7MB in the beginning and 222.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 131390.22ms. Allocated memory was 281.0MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 222.0MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5s, 205 PlacesBefore, 76 PlacesAfterwards, 188 TransitionsBefore, 57 TransitionsAfterwards, 3042 CoEnabledTransitionPairs, 7 FixpointIterations, 94 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 141 TotalNumberOfCompositions, 15680 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4797, positive: 4456, positive conditional: 0, positive unconditional: 4456, negative: 341, negative conditional: 0, negative unconditional: 341, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1392, positive: 1349, positive conditional: 0, positive unconditional: 1349, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4797, positive: 3107, positive conditional: 0, positive unconditional: 3107, negative: 298, negative conditional: 0, negative unconditional: 298, unknown: 1392, unknown conditional: 0, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 289, Positive cache size: 267, Positive conditional cache size: 0, Positive unconditional cache size: 267, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 190]: 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 with 1 thread instances CFG has 13 procedures, 236 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 131.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 11, EmptinessCheckTime: 5.3s, AutomataDifference: 43.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6742 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6742 mSDsluCounter, 4700 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15619 mSDsCounter, 2818 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26396 IncrementalHoareTripleChecker+Invalid, 29214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2818 mSolverCounterUnsat, 508 mSDtfsCounter, 26396 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3282 GetRequests, 2431 SyntacticMatches, 347 SemanticMatches, 504 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9049 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138084occurred in iteration=5, InterpolantAutomatonStates: 425, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 46.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 611268 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 550 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 539 ConstructedInterpolants, 0 QuantifiedInterpolants, 2641 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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! [2022-03-15 19:06:08,651 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...