/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:34:22,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:34:22,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:34:22,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:34:22,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:34:22,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:34:22,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:34:22,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:34:22,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:34:22,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:34:22,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:34:22,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:34:22,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:34:22,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:34:22,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:34:22,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:34:22,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:34:22,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:34:22,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:34:22,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:34:22,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:34:22,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:34:22,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:34:22,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:34:22,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:34:22,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:34:22,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:34:22,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:34:22,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:34:22,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:34:22,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:34:22,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:34:22,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:34:22,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:34:22,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:34:22,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:34:22,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:34:22,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:34:22,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:34:22,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:34:22,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:34:22,626 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.epf [2022-09-16 10:34:22,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:34:22,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:34:22,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:34:22,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:34:22,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:34:22,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:34:22,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:34:22,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:34:22,652 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:34:22,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:34:22,652 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:34:22,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:34:22,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:34:22,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:34:22,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:34:22,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:34:22,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:34:22,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:34:22,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:22,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:34:22,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:34:22,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:34:22,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:34:22,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:34:22,655 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:34:22,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:34:22,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:34:22,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:34:22,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:34:22,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:34:22,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:34:22,893 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:34:22,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_rmo.oepc.i [2022-09-16 10:34:22,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0742b80a1/72fffbad9ae941a1bab25134b3708ff0/FLAG4da2e8520 [2022-09-16 10:34:23,407 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:34:23,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_rmo.oepc.i [2022-09-16 10:34:23,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0742b80a1/72fffbad9ae941a1bab25134b3708ff0/FLAG4da2e8520 [2022-09-16 10:34:23,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0742b80a1/72fffbad9ae941a1bab25134b3708ff0 [2022-09-16 10:34:23,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:34:23,957 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:34:23,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:23,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:34:23,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:34:23,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:23" (1/1) ... [2022-09-16 10:34:23,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3395c7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:23, skipping insertion in model container [2022-09-16 10:34:23,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:23" (1/1) ... [2022-09-16 10:34:23,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:34:24,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:34:24,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_rmo.oepc.i[993,1006] [2022-09-16 10:34:24,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:24,389 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:34:24,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_rmo.oepc.i[993,1006] [2022-09-16 10:34:24,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:24,474 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:34:24,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24 WrapperNode [2022-09-16 10:34:24,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:24,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:24,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:34:24,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:34:24,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,522 INFO L138 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 277 [2022-09-16 10:34:24,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:24,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:34:24,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:34:24,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:34:24,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:34:24,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:34:24,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:34:24,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:34:24,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (1/1) ... [2022-09-16 10:34:24,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:34:24,604 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) [2022-09-16 10:34:24,615 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 [2022-09-16 10:34:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:34:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:34:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:34:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:34:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:34:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:34:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:34:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:34:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:34:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:34:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:34:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:34:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:34:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:34:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:34:24,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:34:24,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:34:24,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:34:24,643 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:34:24,855 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:34:24,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:34:25,521 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:34:25,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:34:25,958 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:34:25,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:25 BoogieIcfgContainer [2022-09-16 10:34:25,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:34:25,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:34:25,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:34:25,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:34:25,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:34:23" (1/3) ... [2022-09-16 10:34:25,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7fca26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:25, skipping insertion in model container [2022-09-16 10:34:25,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:24" (2/3) ... [2022-09-16 10:34:25,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7fca26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:25, skipping insertion in model container [2022-09-16 10:34:25,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:25" (3/3) ... [2022-09-16 10:34:25,967 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_rmo.oepc.i [2022-09-16 10:34:25,975 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:34:25,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:34:25,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:34:25,983 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:34:26,045 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:34:26,079 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 167 places, 156 transitions, 332 flow [2022-09-16 10:34:32,528 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 216839 states, 216759 states have (on average 4.551797157211465) internal successors, (986643), 216838 states have internal predecessors, (986643), 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) [2022-09-16 10:34:32,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:34:32,592 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bdee9e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:34:32,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:34:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 216839 states, 216759 states have (on average 4.551797157211465) internal successors, (986643), 216838 states have internal predecessors, (986643), 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) [2022-09-16 10:34:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-09-16 10:34:33,140 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:33,141 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:34:33,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:34:33,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:33,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1272614375, now seen corresponding path program 1 times [2022-09-16 10:34:33,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:33,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933382134] [2022-09-16 10:34:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:33,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:33,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:33,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933382134] [2022-09-16 10:34:33,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933382134] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:33,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:33,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:34:33,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230231007] [2022-09-16 10:34:33,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:33,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:34:33,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:33,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:34:33,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:34,099 INFO L87 Difference]: Start difference. First operand has 216839 states, 216759 states have (on average 4.551797157211465) internal successors, (986643), 216838 states have internal predecessors, (986643), 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 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-09-16 10:34:37,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:37,396 INFO L93 Difference]: Finished difference Result 176610 states and 777962 transitions. [2022-09-16 10:34:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:34:37,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2022-09-16 10:34:37,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:39,708 INFO L225 Difference]: With dead ends: 176610 [2022-09-16 10:34:39,709 INFO L226 Difference]: Without dead ends: 176610 [2022-09-16 10:34:39,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:39,713 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 61 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:39,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 202 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:40,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176610 states. [2022-09-16 10:34:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176610 to 176610. [2022-09-16 10:34:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176610 states, 176418 states have (on average 4.409765443435477) internal successors, (777962), 176609 states have internal predecessors, (777962), 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) [2022-09-16 10:34:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176610 states to 176610 states and 777962 transitions. [2022-09-16 10:34:50,406 INFO L78 Accepts]: Start accepts. Automaton has 176610 states and 777962 transitions. Word has length 69 [2022-09-16 10:34:50,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:50,407 INFO L495 AbstractCegarLoop]: Abstraction has 176610 states and 777962 transitions. [2022-09-16 10:34:50,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-09-16 10:34:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 176610 states and 777962 transitions. [2022-09-16 10:34:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-09-16 10:34:50,411 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:50,411 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:34:50,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:34:50,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:34:50,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:50,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1660707380, now seen corresponding path program 1 times [2022-09-16 10:34:50,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:50,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217197414] [2022-09-16 10:34:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:50,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:34:50,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:50,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217197414] [2022-09-16 10:34:50,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217197414] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:50,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:50,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:50,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239490473] [2022-09-16 10:34:50,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:50,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:50,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:50,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:50,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:50,510 INFO L87 Difference]: Start difference. First operand 176610 states and 777962 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-09-16 10:34:53,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:53,288 INFO L93 Difference]: Finished difference Result 163776 states and 685958 transitions. [2022-09-16 10:34:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:53,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2022-09-16 10:34:53,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:54,851 INFO L225 Difference]: With dead ends: 163776 [2022-09-16 10:34:54,851 INFO L226 Difference]: Without dead ends: 163776 [2022-09-16 10:34:54,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:54,853 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 239 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:54,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 259 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:55,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163776 states. [2022-09-16 10:35:01,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163776 to 155136. [2022-09-16 10:35:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155136 states, 155028 states have (on average 4.281574941300926) internal successors, (663764), 155135 states have internal predecessors, (663764), 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) [2022-09-16 10:35:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155136 states to 155136 states and 663764 transitions. [2022-09-16 10:35:03,976 INFO L78 Accepts]: Start accepts. Automaton has 155136 states and 663764 transitions. Word has length 79 [2022-09-16 10:35:03,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:03,978 INFO L495 AbstractCegarLoop]: Abstraction has 155136 states and 663764 transitions. [2022-09-16 10:35:03,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-09-16 10:35:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 155136 states and 663764 transitions. [2022-09-16 10:35:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-09-16 10:35:04,004 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:04,004 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:35:04,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:35:04,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:04,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1660707379, now seen corresponding path program 1 times [2022-09-16 10:35:04,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:04,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145710402] [2022-09-16 10:35:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:04,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:35:04,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:04,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145710402] [2022-09-16 10:35:04,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145710402] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:04,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:04,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:04,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579611605] [2022-09-16 10:35:04,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:04,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:04,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:04,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:04,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:04,084 INFO L87 Difference]: Start difference. First operand 155136 states and 663764 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-09-16 10:35:05,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:05,320 INFO L93 Difference]: Finished difference Result 94629 states and 408218 transitions. [2022-09-16 10:35:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:35:05,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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 79 [2022-09-16 10:35:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:06,690 INFO L225 Difference]: With dead ends: 94629 [2022-09-16 10:35:06,690 INFO L226 Difference]: Without dead ends: 94629 [2022-09-16 10:35:06,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:06,698 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 128 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:06,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 371 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:06,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94629 states. [2022-09-16 10:35:10,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94629 to 94629. [2022-09-16 10:35:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94629 states, 94599 states have (on average 4.315246461379084) internal successors, (408218), 94628 states have internal predecessors, (408218), 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) [2022-09-16 10:35:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94629 states to 94629 states and 408218 transitions. [2022-09-16 10:35:12,469 INFO L78 Accepts]: Start accepts. Automaton has 94629 states and 408218 transitions. Word has length 79 [2022-09-16 10:35:12,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:12,470 INFO L495 AbstractCegarLoop]: Abstraction has 94629 states and 408218 transitions. [2022-09-16 10:35:12,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-09-16 10:35:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 94629 states and 408218 transitions. [2022-09-16 10:35:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-09-16 10:35:12,482 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:12,482 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:35:12,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:35:12,483 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:12,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:12,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1230531465, now seen corresponding path program 1 times [2022-09-16 10:35:12,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:12,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236814860] [2022-09-16 10:35:12,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:35:12,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:12,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236814860] [2022-09-16 10:35:12,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236814860] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:12,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:12,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:35:12,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807332597] [2022-09-16 10:35:12,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:12,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:35:12,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:12,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:35:12,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:35:12,716 INFO L87 Difference]: Start difference. First operand 94629 states and 408218 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 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) [2022-09-16 10:35:13,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:13,889 INFO L93 Difference]: Finished difference Result 78888 states and 340682 transitions. [2022-09-16 10:35:13,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:35:13,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 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 91 [2022-09-16 10:35:13,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:14,658 INFO L225 Difference]: With dead ends: 78888 [2022-09-16 10:35:14,658 INFO L226 Difference]: Without dead ends: 78888 [2022-09-16 10:35:14,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:35:14,659 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 361 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:14,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 318 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:35:14,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78888 states. [2022-09-16 10:35:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78888 to 78888. [2022-09-16 10:35:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78888 states, 78876 states have (on average 4.319209899082104) internal successors, (340682), 78887 states have internal predecessors, (340682), 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) [2022-09-16 10:35:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78888 states to 78888 states and 340682 transitions. [2022-09-16 10:35:17,631 INFO L78 Accepts]: Start accepts. Automaton has 78888 states and 340682 transitions. Word has length 91 [2022-09-16 10:35:17,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:17,632 INFO L495 AbstractCegarLoop]: Abstraction has 78888 states and 340682 transitions. [2022-09-16 10:35:17,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 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) [2022-09-16 10:35:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 78888 states and 340682 transitions. [2022-09-16 10:35:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-09-16 10:35:17,696 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:17,697 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:35:17,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:35:17,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:17,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:17,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1565551881, now seen corresponding path program 1 times [2022-09-16 10:35:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:17,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386756125] [2022-09-16 10:35:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:17,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:35:18,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:18,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386756125] [2022-09-16 10:35:18,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386756125] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:18,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:18,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:35:18,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033405342] [2022-09-16 10:35:18,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:18,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:35:18,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:18,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:35:18,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:35:18,245 INFO L87 Difference]: Start difference. First operand 78888 states and 340682 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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) [2022-09-16 10:35:19,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:19,365 INFO L93 Difference]: Finished difference Result 75432 states and 326966 transitions. [2022-09-16 10:35:19,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:35:19,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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 102 [2022-09-16 10:35:19,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:19,370 INFO L225 Difference]: With dead ends: 75432 [2022-09-16 10:35:19,370 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:35:19,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:35:19,376 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 744 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:19,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 306 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:19,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:35:19,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:35:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:35:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:35:19,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2022-09-16 10:35:19,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:19,381 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:35:19,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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) [2022-09-16 10:35:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:35:19,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:35:19,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:35:19,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:35:19,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:35:19,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:35:19,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:35:19,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:35:19,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:35:19,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:35:19,390 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:35:19,393 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:35:19,393 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:35:19,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:35:19 BasicIcfg [2022-09-16 10:35:19,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:35:19,396 INFO L158 Benchmark]: Toolchain (without parser) took 55438.74ms. Allocated memory was 176.2MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 115.1MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-09-16 10:35:19,396 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:35:19,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.64ms. Allocated memory is still 176.2MB. Free memory was 114.8MB in the beginning and 135.9MB in the end (delta: -21.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-09-16 10:35:19,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.02ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 132.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:19,397 INFO L158 Benchmark]: Boogie Preprocessor took 32.56ms. Allocated memory is still 176.2MB. Free memory was 132.7MB in the beginning and 129.9MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:19,397 INFO L158 Benchmark]: RCFGBuilder took 1404.23ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 129.9MB in the beginning and 208.7MB in the end (delta: -78.9MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. [2022-09-16 10:35:19,397 INFO L158 Benchmark]: TraceAbstraction took 53433.42ms. Allocated memory was 253.8MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 208.2MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-09-16 10:35:19,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 176.2MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 514.64ms. Allocated memory is still 176.2MB. Free memory was 114.8MB in the beginning and 135.9MB in the end (delta: -21.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.02ms. Allocated memory is still 176.2MB. Free memory was 135.9MB in the beginning and 132.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.56ms. Allocated memory is still 176.2MB. Free memory was 132.7MB in the beginning and 129.9MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1404.23ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 129.9MB in the beginning and 208.7MB in the end (delta: -78.9MB). Peak memory consumption was 92.3MB. Max. memory is 8.0GB. * TraceAbstraction took 53433.42ms. Allocated memory was 253.8MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 208.2MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. * 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 - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 799]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 195 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 53.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1533 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1533 mSDsluCounter, 1456 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 836 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 702 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216839occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 28.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 415 ConstructedInterpolants, 0 QuantifiedInterpolants, 1165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:35:19,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...