/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/mix036_power.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:28:59,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:28:59,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:28:59,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:28:59,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:28:59,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:28:59,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:28:59,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:28:59,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:28:59,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:28:59,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:28:59,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:28:59,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:28:59,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:28:59,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:28:59,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:28:59,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:28:59,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:28:59,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:28:59,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:28:59,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:28:59,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:28:59,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:28:59,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:28:59,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:28:59,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:28:59,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:28:59,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:28:59,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:28:59,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:28:59,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:28:59,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:28:59,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:28:59,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:28:59,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:28:59,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:28:59,409 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 10:28:59,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:28:59,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:28:59,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:28:59,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:28:59,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:28:59,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:28:59,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:28:59,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:28:59,449 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:28:59,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:28:59,450 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:28:59,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:28:59,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:28:59,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:28:59,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:28:59,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:28:59,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:28:59,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:28:59,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:28:59,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:28:59,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:28:59,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:28:59,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:28:59,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:28:59,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:28:59,453 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:28:59,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:28:59,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:28:59,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:28:59,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:28:59,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:28:59,709 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:28:59,710 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:28:59,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i [2022-09-16 10:28:59,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f01a314b1/0c0bded3295449f2b22dbf706cb83e2f/FLAG928246429 [2022-09-16 10:29:00,203 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:29:00,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i [2022-09-16 10:29:00,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f01a314b1/0c0bded3295449f2b22dbf706cb83e2f/FLAG928246429 [2022-09-16 10:29:00,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f01a314b1/0c0bded3295449f2b22dbf706cb83e2f [2022-09-16 10:29:00,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:29:00,765 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:29:00,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:00,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:29:00,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:29:00,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:00" (1/1) ... [2022-09-16 10:29:00,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@abacdf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:00, skipping insertion in model container [2022-09-16 10:29:00,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:00" (1/1) ... [2022-09-16 10:29:00,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:29:00,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:29:01,019 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/mix036_power.opt_rmo.opt.i[958,971] [2022-09-16 10:29:01,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:01,258 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:29:01,269 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/mix036_power.opt_rmo.opt.i[958,971] [2022-09-16 10:29:01,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:01,383 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:29:01,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01 WrapperNode [2022-09-16 10:29:01,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:01,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:01,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:29:01,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:29:01,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,471 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 197 [2022-09-16 10:29:01,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:01,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:29:01,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:29:01,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:29:01,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:29:01,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:29:01,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:29:01,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:29:01,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (1/1) ... [2022-09-16 10:29:01,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:29:01,561 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 10:29:01,585 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 10:29:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:29:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:29:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:29:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:29:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:29:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:29:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:29:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:29:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:29:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:29:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:29:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:29:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:29:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:29:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:29:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:29:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:29:01,605 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 10:29:01,794 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:29:01,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:29:02,269 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:29:02,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:29:02,642 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:29:02,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:02 BoogieIcfgContainer [2022-09-16 10:29:02,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:29:02,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:29:02,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:29:02,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:29:02,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:29:00" (1/3) ... [2022-09-16 10:29:02,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109e4c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:02, skipping insertion in model container [2022-09-16 10:29:02,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:01" (2/3) ... [2022-09-16 10:29:02,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109e4c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:02, skipping insertion in model container [2022-09-16 10:29:02,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:02" (3/3) ... [2022-09-16 10:29:02,652 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2022-09-16 10:29:02,662 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:29:02,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:29:02,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:29:02,670 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:29:02,747 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:29:02,803 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 156 places, 145 transitions, 310 flow [2022-09-16 10:29:12,126 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 324437 states, 324357 states have (on average 4.601673464731761) internal successors, (1492585), 324436 states have internal predecessors, (1492585), 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 10:29:12,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:29:12,160 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;@862d5d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:29:12,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:29:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 324437 states, 324357 states have (on average 4.601673464731761) internal successors, (1492585), 324436 states have internal predecessors, (1492585), 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 10:29:12,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:29:12,762 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:12,763 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] [2022-09-16 10:29:12,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:29:12,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:12,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1669652033, now seen corresponding path program 1 times [2022-09-16 10:29:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:12,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346058389] [2022-09-16 10:29:12,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:13,053 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 10:29:13,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:13,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346058389] [2022-09-16 10:29:13,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346058389] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:13,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:13,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:29:13,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076931628] [2022-09-16 10:29:13,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:13,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:29:13,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:29:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:13,812 INFO L87 Difference]: Start difference. First operand has 324437 states, 324357 states have (on average 4.601673464731761) internal successors, (1492585), 324436 states have internal predecessors, (1492585), 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 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 10:29:20,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:20,008 INFO L93 Difference]: Finished difference Result 258784 states and 1152218 transitions. [2022-09-16 10:29:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:29:20,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-09-16 10:29:20,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:24,061 INFO L225 Difference]: With dead ends: 258784 [2022-09-16 10:29:24,062 INFO L226 Difference]: Without dead ends: 258784 [2022-09-16 10:29:24,064 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 10:29:24,094 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 65 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:24,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 195 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:29:25,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258784 states. [2022-09-16 10:29:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258784 to 258784. [2022-09-16 10:29:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258784 states, 258592 states have (on average 4.455737223115951) internal successors, (1152218), 258783 states have internal predecessors, (1152218), 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 10:29:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258784 states to 258784 states and 1152218 transitions. [2022-09-16 10:29:40,878 INFO L78 Accepts]: Start accepts. Automaton has 258784 states and 1152218 transitions. Word has length 54 [2022-09-16 10:29:40,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:29:40,879 INFO L495 AbstractCegarLoop]: Abstraction has 258784 states and 1152218 transitions. [2022-09-16 10:29:40,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 10:29:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 258784 states and 1152218 transitions. [2022-09-16 10:29:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:29:40,883 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:40,883 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] [2022-09-16 10:29:40,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:29:40,883 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:29:40,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:40,884 INFO L85 PathProgramCache]: Analyzing trace with hash 59246964, now seen corresponding path program 1 times [2022-09-16 10:29:40,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:40,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200099438] [2022-09-16 10:29:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:40,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:41,029 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 10:29:41,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:41,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200099438] [2022-09-16 10:29:41,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200099438] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:41,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:41,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:29:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386767896] [2022-09-16 10:29:41,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:41,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:29:41,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:41,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:29:41,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:29:41,035 INFO L87 Difference]: Start difference. First operand 258784 states and 1152218 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:29:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:44,879 INFO L93 Difference]: Finished difference Result 183706 states and 815033 transitions. [2022-09-16 10:29:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:29:44,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-09-16 10:29:44,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:48,582 INFO L225 Difference]: With dead ends: 183706 [2022-09-16 10:29:48,597 INFO L226 Difference]: Without dead ends: 183706 [2022-09-16 10:29:48,597 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 10:29:48,598 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 135 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 357 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 10:29:48,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 357 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:49,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183706 states. [2022-09-16 10:29:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183706 to 183706. [2022-09-16 10:30:00,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183706 states, 183664 states have (on average 4.437630673403606) internal successors, (815033), 183705 states have internal predecessors, (815033), 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 10:30:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183706 states to 183706 states and 815033 transitions. [2022-09-16 10:30:02,365 INFO L78 Accepts]: Start accepts. Automaton has 183706 states and 815033 transitions. Word has length 65 [2022-09-16 10:30:02,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:02,366 INFO L495 AbstractCegarLoop]: Abstraction has 183706 states and 815033 transitions. [2022-09-16 10:30:02,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:30:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 183706 states and 815033 transitions. [2022-09-16 10:30:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:30:02,369 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:02,369 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] [2022-09-16 10:30:02,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:30:02,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:30:02,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:02,370 INFO L85 PathProgramCache]: Analyzing trace with hash 59246963, now seen corresponding path program 1 times [2022-09-16 10:30:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:02,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449297465] [2022-09-16 10:30:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:02,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:30:02,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:02,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449297465] [2022-09-16 10:30:02,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449297465] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:02,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:02,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:30:02,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706066982] [2022-09-16 10:30:02,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:02,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:30:02,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:02,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:30:02,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:02,474 INFO L87 Difference]: Start difference. First operand 183706 states and 815033 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:30:05,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:05,653 INFO L93 Difference]: Finished difference Result 148687 states and 653378 transitions. [2022-09-16 10:30:05,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:30:05,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-09-16 10:30:05,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:08,671 INFO L225 Difference]: With dead ends: 148687 [2022-09-16 10:30:08,671 INFO L226 Difference]: Without dead ends: 148687 [2022-09-16 10:30:08,673 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 10:30:08,683 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 182 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:08,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 264 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:09,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148687 states. [2022-09-16 10:30:15,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148687 to 148687. [2022-09-16 10:30:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148687 states, 148657 states have (on average 4.39520506938792) internal successors, (653378), 148686 states have internal predecessors, (653378), 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 10:30:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148687 states to 148687 states and 653378 transitions. [2022-09-16 10:30:17,672 INFO L78 Accepts]: Start accepts. Automaton has 148687 states and 653378 transitions. Word has length 65 [2022-09-16 10:30:17,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:17,672 INFO L495 AbstractCegarLoop]: Abstraction has 148687 states and 653378 transitions. [2022-09-16 10:30:17,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:30:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 148687 states and 653378 transitions. [2022-09-16 10:30:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:30:17,683 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:17,683 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] [2022-09-16 10:30:17,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:30:17,684 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 10:30:17,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:17,684 INFO L85 PathProgramCache]: Analyzing trace with hash -90950127, now seen corresponding path program 1 times [2022-09-16 10:30:17,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:17,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037519190] [2022-09-16 10:30:17,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:17,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:17,804 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 10:30:17,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:17,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037519190] [2022-09-16 10:30:17,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037519190] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:17,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:17,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:30:17,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729649265] [2022-09-16 10:30:17,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:17,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:30:17,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:30:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:30:17,806 INFO L87 Difference]: Start difference. First operand 148687 states and 653378 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 10:30:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:20,318 INFO L93 Difference]: Finished difference Result 129490 states and 570974 transitions. [2022-09-16 10:30:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:30:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2022-09-16 10:30:20,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:22,638 INFO L225 Difference]: With dead ends: 129490 [2022-09-16 10:30:22,638 INFO L226 Difference]: Without dead ends: 129490 [2022-09-16 10:30:22,638 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 10:30:22,664 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 421 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:22,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 311 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:23,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129490 states. [2022-09-16 10:30:29,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129490 to 129490. [2022-09-16 10:30:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129490 states, 129478 states have (on average 4.4098147947913935) internal successors, (570974), 129489 states have internal predecessors, (570974), 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 10:30:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129490 states to 129490 states and 570974 transitions. [2022-09-16 10:30:31,079 INFO L78 Accepts]: Start accepts. Automaton has 129490 states and 570974 transitions. Word has length 77 [2022-09-16 10:30:31,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:31,079 INFO L495 AbstractCegarLoop]: Abstraction has 129490 states and 570974 transitions. [2022-09-16 10:30:31,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 10:30:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 129490 states and 570974 transitions. [2022-09-16 10:30:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-09-16 10:30:31,735 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:31,736 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 10:30:31,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:30:31,736 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 10:30:31,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash 599882561, now seen corresponding path program 1 times [2022-09-16 10:30:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:31,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195763466] [2022-09-16 10:30:31,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:31,889 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 10:30:31,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:31,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195763466] [2022-09-16 10:30:31,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195763466] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:31,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:31,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:30:31,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943526961] [2022-09-16 10:30:31,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:31,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:30:31,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:31,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:30:31,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:30:31,891 INFO L87 Difference]: Start difference. First operand 129490 states and 570974 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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 10:30:33,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:33,930 INFO L93 Difference]: Finished difference Result 126034 states and 557258 transitions. [2022-09-16 10:30:33,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:30:33,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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 10:30:33,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:33,953 INFO L225 Difference]: With dead ends: 126034 [2022-09-16 10:30:33,956 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:30:33,956 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 10:30:33,961 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 465 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:33,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 315 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:33,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:30:33,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:30:33,962 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 10:30:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:30:33,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-09-16 10:30:33,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:33,962 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:30:33,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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 10:30:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:30:33,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:30:33,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:30:33,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:30:33,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:30:33,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:30:33,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:30:33,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:30:33,982 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:30:33,986 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:30:33,998 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:30:34,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:30:34 BasicIcfg [2022-09-16 10:30:34,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:30:34,002 INFO L158 Benchmark]: Toolchain (without parser) took 93237.03ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 163.1MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2022-09-16 10:30:34,003 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 145.3MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:30:34,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.12ms. Allocated memory is still 182.5MB. Free memory was 162.9MB in the beginning and 146.6MB in the end (delta: 16.3MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. [2022-09-16 10:30:34,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.64ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 144.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:30:34,003 INFO L158 Benchmark]: Boogie Preprocessor took 53.04ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 141.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:30:34,004 INFO L158 Benchmark]: RCFGBuilder took 1118.26ms. Allocated memory is still 182.5MB. Free memory was 141.6MB in the beginning and 115.3MB in the end (delta: 26.3MB). Peak memory consumption was 56.8MB. Max. memory is 8.0GB. [2022-09-16 10:30:34,004 INFO L158 Benchmark]: TraceAbstraction took 91355.93ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 114.8MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2022-09-16 10:30:34,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 182.5MB. Free memory was 145.4MB in the beginning and 145.3MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 618.12ms. Allocated memory is still 182.5MB. Free memory was 162.9MB in the beginning and 146.6MB in the end (delta: 16.3MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 86.64ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 144.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.04ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 141.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1118.26ms. Allocated memory is still 182.5MB. Free memory was 141.6MB in the beginning and 115.3MB in the end (delta: 26.3MB). Peak memory consumption was 56.8MB. Max. memory is 8.0GB. * TraceAbstraction took 91355.93ms. Allocated memory was 182.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 114.8MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 3.5GB. 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: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: 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, 188 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 91.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 31.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1268 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1268 mSDsluCounter, 1442 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 873 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 651 mSDtfsCounter, 253 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=324437occurred 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: 47.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 347 ConstructedInterpolants, 0 QuantifiedInterpolants, 961 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 10:30:34,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...