/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 10:46:45,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 10:46:45,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 10:46:45,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 10:46:45,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 10:46:45,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 10:46:45,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 10:46:45,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 10:46:45,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 10:46:45,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 10:46:45,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 10:46:45,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 10:46:45,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 10:46:45,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 10:46:45,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 10:46:45,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 10:46:45,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 10:46:45,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 10:46:45,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 10:46:45,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 10:46:45,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 10:46:45,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 10:46:45,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 10:46:45,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 10:46:45,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 10:46:45,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 10:46:45,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 10:46:45,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 10:46:45,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 10:46:45,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 10:46:45,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 10:46:45,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 10:46:45,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 10:46:45,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 10:46:45,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 10:46:45,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 10:46:45,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 10:46:45,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 10:46:45,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 10:46:45,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 10:46:45,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 10:46:45,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 10:46:45,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 10:46:45,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 10:46:45,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 10:46:45,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 10:46:45,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 10:46:45,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 10:46:45,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 10:46:45,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 10:46:45,500 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 10:46:45,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 10:46:45,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 10:46:45,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 10:46:45,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 10:46:45,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 10:46:45,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 10:46:45,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 10:46:45,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 10:46:45,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 10:46:45,503 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 10:46:45,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 10:46:45,505 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 10:46:45,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 10:46:45,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 10:46:45,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 10:46:45,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 10:46:45,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 10:46:45,723 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 10:46:45,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-01-18 10:46:45,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd864e693/1ecb5dea7d0a47129e6d50612bab398d/FLAG6b7c44969 [2022-01-18 10:46:46,197 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 10:46:46,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x9.wvr.c [2022-01-18 10:46:46,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd864e693/1ecb5dea7d0a47129e6d50612bab398d/FLAG6b7c44969 [2022-01-18 10:46:46,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd864e693/1ecb5dea7d0a47129e6d50612bab398d [2022-01-18 10:46:46,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 10:46:46,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 10:46:46,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 10:46:46,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 10:46:46,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 10:46:46,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17342195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46, skipping insertion in model container [2022-01-18 10:46:46,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 10:46:46,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 10:46:46,830 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/bench-exp2x9.wvr.c[2669,2682] [2022-01-18 10:46:46,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 10:46:46,839 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 10:46:46,859 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/bench-exp2x9.wvr.c[2669,2682] [2022-01-18 10:46:46,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 10:46:46,872 INFO L208 MainTranslator]: Completed translation [2022-01-18 10:46:46,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46 WrapperNode [2022-01-18 10:46:46,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 10:46:46,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 10:46:46,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 10:46:46,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 10:46:46,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,916 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-01-18 10:46:46,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 10:46:46,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 10:46:46,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 10:46:46,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 10:46:46,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 10:46:46,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 10:46:46,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 10:46:46,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 10:46:46,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (1/1) ... [2022-01-18 10:46:46,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 10:46:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 10:46:46,968 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) [2022-01-18 10:46:46,977 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 [2022-01-18 10:46:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 10:46:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 10:46:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 10:46:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 10:46:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 10:46:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 10:46:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 10:46:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 10:46:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 10:46:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 10:46:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 10:46:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 10:46:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 10:46:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 10:46:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 10:46:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 10:46:47,001 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 10:46:47,068 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 10:46:47,070 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 10:46:47,368 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 10:46:47,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 10:46:47,376 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-18 10:46:47,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:46:47 BoogieIcfgContainer [2022-01-18 10:46:47,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 10:46:47,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 10:46:47,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 10:46:47,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 10:46:47,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 10:46:46" (1/3) ... [2022-01-18 10:46:47,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292a6e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:46:47, skipping insertion in model container [2022-01-18 10:46:47,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:46:46" (2/3) ... [2022-01-18 10:46:47,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292a6e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:46:47, skipping insertion in model container [2022-01-18 10:46:47,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:46:47" (3/3) ... [2022-01-18 10:46:47,402 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-01-18 10:46:47,407 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 10:46:47,407 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 10:46:47,407 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 10:46:47,407 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 10:46:47,490 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,490 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,491 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,491 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,498 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,498 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,499 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,499 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,502 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,503 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,515 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,516 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 10:46:47,521 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 10:46:47,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 10:46:47,584 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 10:46:47,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 10:46:47,596 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 152 places, 149 transitions, 330 flow [2022-01-18 10:46:50,630 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 71783 states, 71782 states have (on average 4.936947981388092) internal successors, (354384), 71782 states have internal predecessors, (354384), 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) [2022-01-18 10:46:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 71783 states, 71782 states have (on average 4.936947981388092) internal successors, (354384), 71782 states have internal predecessors, (354384), 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) [2022-01-18 10:46:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-18 10:46:51,473 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:46:51,474 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:46:51,475 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:46:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:46:51,479 INFO L85 PathProgramCache]: Analyzing trace with hash 727525, now seen corresponding path program 1 times [2022-01-18 10:46:51,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:46:51,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265114072] [2022-01-18 10:46:51,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:46:51,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:46:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:46:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:46:51,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:46:51,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265114072] [2022-01-18 10:46:51,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265114072] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 10:46:51,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 10:46:51,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 10:46:51,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921465008] [2022-01-18 10:46:51,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 10:46:51,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 10:46:51,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:46:51,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 10:46:51,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 10:46:52,050 INFO L87 Difference]: Start difference. First operand has 71783 states, 71782 states have (on average 4.936947981388092) internal successors, (354384), 71782 states have internal predecessors, (354384), 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 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 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) [2022-01-18 10:46:53,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:46:53,299 INFO L93 Difference]: Finished difference Result 71783 states and 329612 transitions. [2022-01-18 10:46:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 10:46:53,305 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 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 92 [2022-01-18 10:46:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:46:54,196 INFO L225 Difference]: With dead ends: 71783 [2022-01-18 10:46:54,196 INFO L226 Difference]: Without dead ends: 71781 [2022-01-18 10:46:54,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 10:46:54,201 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 10:46:54,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 10:46:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71781 states. [2022-01-18 10:46:57,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71781 to 71781. [2022-01-18 10:46:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71781 states, 71780 states have (on average 4.591947617720813) internal successors, (329610), 71780 states have internal predecessors, (329610), 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) [2022-01-18 10:46:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71781 states to 71781 states and 329610 transitions. [2022-01-18 10:46:58,294 INFO L78 Accepts]: Start accepts. Automaton has 71781 states and 329610 transitions. Word has length 92 [2022-01-18 10:46:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:46:58,295 INFO L470 AbstractCegarLoop]: Abstraction has 71781 states and 329610 transitions. [2022-01-18 10:46:58,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 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) [2022-01-18 10:46:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 71781 states and 329610 transitions. [2022-01-18 10:46:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-18 10:46:58,640 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:46:58,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:46:58,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 10:46:58,642 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:46:58,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:46:58,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2147208055, now seen corresponding path program 1 times [2022-01-18 10:46:58,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:46:58,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438680372] [2022-01-18 10:46:58,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:46:58,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:46:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:46:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:46:59,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:46:59,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438680372] [2022-01-18 10:46:59,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438680372] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 10:46:59,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 10:46:59,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 10:46:59,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651306237] [2022-01-18 10:46:59,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 10:46:59,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 10:46:59,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:46:59,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 10:46:59,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 10:46:59,060 INFO L87 Difference]: Start difference. First operand 71781 states and 329610 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-01-18 10:47:00,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:00,554 INFO L93 Difference]: Finished difference Result 75682 states and 346756 transitions. [2022-01-18 10:47:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 10:47:00,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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 92 [2022-01-18 10:47:00,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:01,096 INFO L225 Difference]: With dead ends: 75682 [2022-01-18 10:47:01,096 INFO L226 Difference]: Without dead ends: 75235 [2022-01-18 10:47:01,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-18 10:47:01,098 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 125 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:01,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 299 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 10:47:01,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75235 states. [2022-01-18 10:47:04,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75235 to 73120. [2022-01-18 10:47:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73120 states, 73119 states have (on average 4.585948932561988) internal successors, (335320), 73119 states have internal predecessors, (335320), 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) [2022-01-18 10:47:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73120 states to 73120 states and 335320 transitions. [2022-01-18 10:47:05,427 INFO L78 Accepts]: Start accepts. Automaton has 73120 states and 335320 transitions. Word has length 92 [2022-01-18 10:47:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:05,431 INFO L470 AbstractCegarLoop]: Abstraction has 73120 states and 335320 transitions. [2022-01-18 10:47:05,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2022-01-18 10:47:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 73120 states and 335320 transitions. [2022-01-18 10:47:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 10:47:05,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:05,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:05,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 10:47:05,821 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:05,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:05,822 INFO L85 PathProgramCache]: Analyzing trace with hash 60299954, now seen corresponding path program 1 times [2022-01-18 10:47:05,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:05,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476368621] [2022-01-18 10:47:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:05,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:06,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:47:06,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476368621] [2022-01-18 10:47:06,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476368621] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 10:47:06,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 10:47:06,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 10:47:06,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086538893] [2022-01-18 10:47:06,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 10:47:06,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 10:47:06,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:47:06,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 10:47:06,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 10:47:06,235 INFO L87 Difference]: Start difference. First operand 73120 states and 335320 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-01-18 10:47:07,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:07,744 INFO L93 Difference]: Finished difference Result 75235 states and 344077 transitions. [2022-01-18 10:47:07,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 10:47:07,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 100 [2022-01-18 10:47:07,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:08,493 INFO L225 Difference]: With dead ends: 75235 [2022-01-18 10:47:08,494 INFO L226 Difference]: Without dead ends: 74782 [2022-01-18 10:47:08,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 10:47:08,495 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 143 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:08,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 270 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 10:47:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74782 states. [2022-01-18 10:47:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74782 to 73216. [2022-01-18 10:47:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73216 states, 73215 states have (on average 4.582435293314211) internal successors, (335503), 73215 states have internal predecessors, (335503), 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) [2022-01-18 10:47:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73216 states to 73216 states and 335503 transitions. [2022-01-18 10:47:11,828 INFO L78 Accepts]: Start accepts. Automaton has 73216 states and 335503 transitions. Word has length 100 [2022-01-18 10:47:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:11,828 INFO L470 AbstractCegarLoop]: Abstraction has 73216 states and 335503 transitions. [2022-01-18 10:47:11,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-01-18 10:47:11,829 INFO L276 IsEmpty]: Start isEmpty. Operand 73216 states and 335503 transitions. [2022-01-18 10:47:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 10:47:12,036 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:12,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:12,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 10:47:12,037 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:12,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:12,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1550229488, now seen corresponding path program 1 times [2022-01-18 10:47:12,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:12,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344128016] [2022-01-18 10:47:12,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:12,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:12,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:47:12,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344128016] [2022-01-18 10:47:12,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344128016] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 10:47:12,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095368564] [2022-01-18 10:47:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:12,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 10:47:12,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 10:47:12,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 10:47:12,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 10:47:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:12,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 10:47:12,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 10:47:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:12,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 10:47:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:13,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095368564] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 10:47:13,457 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 10:47:13,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-01-18 10:47:13,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553003738] [2022-01-18 10:47:13,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 10:47:13,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 10:47:13,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:47:13,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 10:47:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 10:47:13,459 INFO L87 Difference]: Start difference. First operand 73216 states and 335503 transitions. Second operand has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 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) [2022-01-18 10:47:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:16,523 INFO L93 Difference]: Finished difference Result 120912 states and 548989 transitions. [2022-01-18 10:47:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 10:47:16,524 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 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 100 [2022-01-18 10:47:16,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:17,380 INFO L225 Difference]: With dead ends: 120912 [2022-01-18 10:47:17,380 INFO L226 Difference]: Without dead ends: 120912 [2022-01-18 10:47:17,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-01-18 10:47:17,382 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 855 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:17,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [855 Valid, 1035 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 10:47:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120912 states. [2022-01-18 10:47:20,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120912 to 82883. [2022-01-18 10:47:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82883 states, 82882 states have (on average 4.58344393233754) internal successors, (379885), 82882 states have internal predecessors, (379885), 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) [2022-01-18 10:47:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82883 states to 82883 states and 379885 transitions. [2022-01-18 10:47:21,561 INFO L78 Accepts]: Start accepts. Automaton has 82883 states and 379885 transitions. Word has length 100 [2022-01-18 10:47:21,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:21,563 INFO L470 AbstractCegarLoop]: Abstraction has 82883 states and 379885 transitions. [2022-01-18 10:47:21,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 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) [2022-01-18 10:47:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 82883 states and 379885 transitions. [2022-01-18 10:47:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 10:47:22,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:22,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:22,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 10:47:22,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 10:47:22,757 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:22,758 INFO L85 PathProgramCache]: Analyzing trace with hash -978377090, now seen corresponding path program 2 times [2022-01-18 10:47:22,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:22,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437160890] [2022-01-18 10:47:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:22,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:23,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:47:23,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437160890] [2022-01-18 10:47:23,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437160890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 10:47:23,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 10:47:23,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 10:47:23,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053040125] [2022-01-18 10:47:23,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 10:47:23,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 10:47:23,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:47:23,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 10:47:23,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 10:47:23,031 INFO L87 Difference]: Start difference. First operand 82883 states and 379885 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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) [2022-01-18 10:47:24,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:24,077 INFO L93 Difference]: Finished difference Result 89978 states and 412810 transitions. [2022-01-18 10:47:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 10:47:24,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 100 [2022-01-18 10:47:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:25,402 INFO L225 Difference]: With dead ends: 89978 [2022-01-18 10:47:25,403 INFO L226 Difference]: Without dead ends: 89978 [2022-01-18 10:47:25,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 10:47:25,404 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 193 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:25,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 382 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 10:47:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89978 states. [2022-01-18 10:47:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89978 to 88603. [2022-01-18 10:47:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88603 states, 88602 states have (on average 4.590471998374754) internal successors, (406725), 88602 states have internal predecessors, (406725), 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) [2022-01-18 10:47:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88603 states to 88603 states and 406725 transitions. [2022-01-18 10:47:29,173 INFO L78 Accepts]: Start accepts. Automaton has 88603 states and 406725 transitions. Word has length 100 [2022-01-18 10:47:29,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:29,174 INFO L470 AbstractCegarLoop]: Abstraction has 88603 states and 406725 transitions. [2022-01-18 10:47:29,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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) [2022-01-18 10:47:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 88603 states and 406725 transitions. [2022-01-18 10:47:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 10:47:29,440 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:29,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:29,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 10:47:29,441 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:29,442 INFO L85 PathProgramCache]: Analyzing trace with hash 157553520, now seen corresponding path program 1 times [2022-01-18 10:47:29,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:29,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802223109] [2022-01-18 10:47:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:29,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:29,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:47:29,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802223109] [2022-01-18 10:47:29,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802223109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 10:47:29,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 10:47:29,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 10:47:29,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616397975] [2022-01-18 10:47:29,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 10:47:29,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 10:47:29,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:47:29,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 10:47:29,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 10:47:29,609 INFO L87 Difference]: Start difference. First operand 88603 states and 406725 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-01-18 10:47:31,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:31,015 INFO L93 Difference]: Finished difference Result 89458 states and 409641 transitions. [2022-01-18 10:47:31,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 10:47:31,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 100 [2022-01-18 10:47:31,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:31,465 INFO L225 Difference]: With dead ends: 89458 [2022-01-18 10:47:31,465 INFO L226 Difference]: Without dead ends: 88945 [2022-01-18 10:47:31,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 10:47:31,466 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 148 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:31,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 273 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 10:47:31,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88945 states. [2022-01-18 10:47:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88945 to 88225. [2022-01-18 10:47:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88225 states, 88224 states have (on average 4.591369695321001) internal successors, (405069), 88224 states have internal predecessors, (405069), 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) [2022-01-18 10:47:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88225 states to 88225 states and 405069 transitions. [2022-01-18 10:47:34,874 INFO L78 Accepts]: Start accepts. Automaton has 88225 states and 405069 transitions. Word has length 100 [2022-01-18 10:47:34,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:34,874 INFO L470 AbstractCegarLoop]: Abstraction has 88225 states and 405069 transitions. [2022-01-18 10:47:34,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-01-18 10:47:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 88225 states and 405069 transitions. [2022-01-18 10:47:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 10:47:35,891 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:35,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:35,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 10:47:35,891 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:35,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:35,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2055982674, now seen corresponding path program 1 times [2022-01-18 10:47:35,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:35,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520215879] [2022-01-18 10:47:35,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:35,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:36,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:47:36,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520215879] [2022-01-18 10:47:36,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520215879] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 10:47:36,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884834463] [2022-01-18 10:47:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:36,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 10:47:36,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 10:47:36,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 10:47:36,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 10:47:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:36,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 10:47:36,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 10:47:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:36,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 10:47:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:36,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884834463] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 10:47:36,843 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 10:47:36,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2022-01-18 10:47:36,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149556644] [2022-01-18 10:47:36,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 10:47:36,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-18 10:47:36,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:47:36,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-18 10:47:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-01-18 10:47:36,849 INFO L87 Difference]: Start difference. First operand 88225 states and 405069 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 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) [2022-01-18 10:47:39,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:39,249 INFO L93 Difference]: Finished difference Result 147805 states and 668660 transitions. [2022-01-18 10:47:39,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-18 10:47:39,249 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 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 100 [2022-01-18 10:47:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:40,075 INFO L225 Difference]: With dead ends: 147805 [2022-01-18 10:47:40,075 INFO L226 Difference]: Without dead ends: 147805 [2022-01-18 10:47:40,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2022-01-18 10:47:40,076 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 914 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:40,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1101 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 10:47:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147805 states. [2022-01-18 10:47:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147805 to 97003. [2022-01-18 10:47:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97003 states, 97002 states have (on average 4.608544153728789) internal successors, (447038), 97002 states have internal predecessors, (447038), 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) [2022-01-18 10:47:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97003 states to 97003 states and 447038 transitions. [2022-01-18 10:47:45,098 INFO L78 Accepts]: Start accepts. Automaton has 97003 states and 447038 transitions. Word has length 100 [2022-01-18 10:47:45,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:45,099 INFO L470 AbstractCegarLoop]: Abstraction has 97003 states and 447038 transitions. [2022-01-18 10:47:45,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 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) [2022-01-18 10:47:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 97003 states and 447038 transitions. [2022-01-18 10:47:45,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-18 10:47:45,363 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:45,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:45,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 10:47:45,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-01-18 10:47:45,586 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:45,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:45,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2007330100, now seen corresponding path program 2 times [2022-01-18 10:47:45,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:45,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51159962] [2022-01-18 10:47:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:45,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:47:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:47:45,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:47:45,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51159962] [2022-01-18 10:47:45,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51159962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 10:47:45,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 10:47:45,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 10:47:45,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825387293] [2022-01-18 10:47:45,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 10:47:45,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 10:47:45,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 10:47:45,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 10:47:45,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-18 10:47:45,784 INFO L87 Difference]: Start difference. First operand 97003 states and 447038 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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) [2022-01-18 10:47:47,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 10:47:47,399 INFO L93 Difference]: Finished difference Result 105437 states and 486001 transitions. [2022-01-18 10:47:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 10:47:47,400 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 100 [2022-01-18 10:47:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 10:47:47,910 INFO L225 Difference]: With dead ends: 105437 [2022-01-18 10:47:47,910 INFO L226 Difference]: Without dead ends: 105437 [2022-01-18 10:47:47,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-18 10:47:47,911 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 210 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 10:47:47,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 399 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 10:47:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105437 states. [2022-01-18 10:47:51,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105437 to 104439. [2022-01-18 10:47:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104439 states, 104438 states have (on average 4.61124303414466) internal successors, (481589), 104438 states have internal predecessors, (481589), 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) [2022-01-18 10:47:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104439 states to 104439 states and 481589 transitions. [2022-01-18 10:47:52,552 INFO L78 Accepts]: Start accepts. Automaton has 104439 states and 481589 transitions. Word has length 100 [2022-01-18 10:47:52,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 10:47:52,552 INFO L470 AbstractCegarLoop]: Abstraction has 104439 states and 481589 transitions. [2022-01-18 10:47:52,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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) [2022-01-18 10:47:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 104439 states and 481589 transitions. [2022-01-18 10:47:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-18 10:47:52,867 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 10:47:52,867 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 10:47:52,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 10:47:52,867 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 10:47:52,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 10:47:52,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1773705685, now seen corresponding path program 1 times [2022-01-18 10:47:52,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 10:47:52,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851406422] [2022-01-18 10:47:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:47:52,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 10:47:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:48:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 10:48:11,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 10:48:11,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851406422] [2022-01-18 10:48:11,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851406422] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 10:48:11,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304394112] [2022-01-18 10:48:11,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 10:48:11,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 10:48:11,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 10:48:11,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 10:48:11,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 10:48:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 10:48:11,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 41 conjunts are in the unsatisfiable core [2022-01-18 10:48:11,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 10:54:11,447 WARN L228 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-01-18 11:00:50,730 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 11:00:50,730 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 11:00:50,781 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-01-18 11:00:50,782 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-18 11:00:50,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-18 11:00:50,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 11:00:50,984 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-672-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-01-18 11:00:50,985 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-18 11:00:50,985 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-18 11:00:50,986 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-18 11:00:50,986 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-18 11:00:50,988 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-01-18 11:00:50,990 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 11:00:50,990 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 11:00:50,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:00:50 BasicIcfg [2022-01-18 11:00:50,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 11:00:50,993 INFO L158 Benchmark]: Toolchain (without parser) took 844380.64ms. Allocated memory was 381.7MB in the beginning and 15.4GB in the end (delta: 15.0GB). Free memory was 330.1MB in the beginning and 3.6GB in the end (delta: -3.2GB). Peak memory consumption was 13.9GB. Max. memory is 16.0GB. [2022-01-18 11:00:50,993 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 381.7MB. Free memory is still 346.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:00:50,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.87ms. Allocated memory was 381.7MB in the beginning and 465.6MB in the end (delta: 83.9MB). Free memory was 329.8MB in the beginning and 438.9MB in the end (delta: -109.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. [2022-01-18 11:00:50,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 465.6MB. Free memory was 438.9MB in the beginning and 437.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 11:00:50,994 INFO L158 Benchmark]: Boogie Preprocessor took 22.38ms. Allocated memory is still 465.6MB. Free memory was 437.1MB in the beginning and 436.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 11:00:50,994 INFO L158 Benchmark]: RCFGBuilder took 455.57ms. Allocated memory is still 465.6MB. Free memory was 436.1MB in the beginning and 420.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 11:00:50,995 INFO L158 Benchmark]: TraceAbstraction took 843596.03ms. Allocated memory was 465.6MB in the beginning and 15.4GB in the end (delta: 15.0GB). Free memory was 419.3MB in the beginning and 3.6GB in the end (delta: -3.1GB). Peak memory consumption was 13.9GB. Max. memory is 16.0GB. [2022-01-18 11:00:50,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 381.7MB. Free memory is still 346.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 257.87ms. Allocated memory was 381.7MB in the beginning and 465.6MB in the end (delta: 83.9MB). Free memory was 329.8MB in the beginning and 438.9MB in the end (delta: -109.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 465.6MB. Free memory was 438.9MB in the beginning and 437.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.38ms. Allocated memory is still 465.6MB. Free memory was 437.1MB in the beginning and 436.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 455.57ms. Allocated memory is still 465.6MB. Free memory was 436.1MB in the beginning and 420.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 843596.03ms. Allocated memory was 465.6MB in the beginning and 15.4GB in the end (delta: 15.0GB). Free memory was 419.3MB in the beginning and 3.6GB in the end (delta: -3.1GB). Peak memory consumption was 13.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-672-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-672-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-672-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-672-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 109 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-672-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 188 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 843.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.6s, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2588 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2588 mSDsluCounter, 3877 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3168 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2008 IncrementalHoareTripleChecker+Invalid, 2080 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 1044 mSDtfsCounter, 2008 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104439occurred in iteration=8, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 32.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 95605 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1172 ConstructedInterpolants, 0 QuantifiedInterpolants, 12614 SizeOfPredicates, 20 NumberOfNonLiveVariables, 526 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 4/10 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown