/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/mix010.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:21:33,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:21:33,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:21:33,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:21:33,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:21:33,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:21:33,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:21:33,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:21:33,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:21:33,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:21:33,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:21:33,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:21:33,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:21:33,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:21:33,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:21:33,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:21:33,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:21:33,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:21:33,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:21:33,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:21:33,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:21:33,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:21:33,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:21:33,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:21:33,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:21:33,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:21:33,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:21:33,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:21:33,491 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 10:21:33,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:21:33,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:21:33,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:21:33,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:21:33,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:21:33,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:21:33,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:21:33,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:21:33,525 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:21:33,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:21:33,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:21:33,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:21:33,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:21:33,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:21:33,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:21:33,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:21:33,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:21:33,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:21:33,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:21:33,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:33,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:21:33,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:21:33,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:21:33,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:21:33,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:21:33,530 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:21:33,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:21:33,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:21:33,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:21:33,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:21:33,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:21:33,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:21:33,826 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:21:33,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix010.oepc.i [2022-09-16 10:21:33,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81f4b283/4e73f235663c40bbaebb1913863d0062/FLAG9cadb996c [2022-09-16 10:21:34,405 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:21:34,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010.oepc.i [2022-09-16 10:21:34,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81f4b283/4e73f235663c40bbaebb1913863d0062/FLAG9cadb996c [2022-09-16 10:21:34,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81f4b283/4e73f235663c40bbaebb1913863d0062 [2022-09-16 10:21:34,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:21:34,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:21:34,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:34,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:21:34,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:21:34,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:34" (1/1) ... [2022-09-16 10:21:34,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2c8c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:34, skipping insertion in model container [2022-09-16 10:21:34,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:34" (1/1) ... [2022-09-16 10:21:34,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:21:34,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:21:35,126 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/mix010.oepc.i[945,958] [2022-09-16 10:21:35,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:35,314 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:21:35,327 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/mix010.oepc.i[945,958] [2022-09-16 10:21:35,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:35,413 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:21:35,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35 WrapperNode [2022-09-16 10:21:35,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:35,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:35,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:21:35,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:21:35,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,494 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2022-09-16 10:21:35,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:35,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:21:35,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:21:35,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:21:35,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:21:35,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:21:35,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:21:35,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:21:35,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (1/1) ... [2022-09-16 10:21:35,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:35,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:21:35,605 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 10:21:35,627 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 10:21:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:21:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:21:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:21:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:21:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:21:35,648 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:21:35,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:21:35,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:21:35,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:21:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:21:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:21:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:21:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:21:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:21:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:21:35,652 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 10:21:35,789 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:21:35,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:21:36,287 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:21:36,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:21:36,663 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:21:36,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:36 BoogieIcfgContainer [2022-09-16 10:21:36,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:21:36,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:21:36,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:21:36,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:21:36,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:21:34" (1/3) ... [2022-09-16 10:21:36,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37201a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:36, skipping insertion in model container [2022-09-16 10:21:36,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:35" (2/3) ... [2022-09-16 10:21:36,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37201a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:36, skipping insertion in model container [2022-09-16 10:21:36,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:36" (3/3) ... [2022-09-16 10:21:36,674 INFO L112 eAbstractionObserver]: Analyzing ICFG mix010.oepc.i [2022-09-16 10:21:36,682 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:21:36,690 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:21:36,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:21:36,691 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:21:36,758 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:21:36,796 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134 places, 126 transitions, 267 flow [2022-09-16 10:21:38,328 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41040 states, 41014 states have (on average 3.7291900326717706) internal successors, (152949), 41039 states have internal predecessors, (152949), 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 10:21:38,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:21:38,361 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;@2a535d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:21:38,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:21:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 41040 states, 41014 states have (on average 3.7291900326717706) internal successors, (152949), 41039 states have internal predecessors, (152949), 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 10:21:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-09-16 10:21:38,444 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:38,445 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] [2022-09-16 10:21:38,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:21:38,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 261476416, now seen corresponding path program 1 times [2022-09-16 10:21:38,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:38,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620103986] [2022-09-16 10:21:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:38,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:38,756 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 10:21:38,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:38,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620103986] [2022-09-16 10:21:38,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620103986] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:38,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:38,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:21:38,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313889958] [2022-09-16 10:21:38,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:38,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:21:38,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:38,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:21:38,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:21:38,875 INFO L87 Difference]: Start difference. First operand has 41040 states, 41014 states have (on average 3.7291900326717706) internal successors, (152949), 41039 states have internal predecessors, (152949), 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 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 10:21:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:39,603 INFO L93 Difference]: Finished difference Result 30717 states and 109951 transitions. [2022-09-16 10:21:39,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:21:39,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-09-16 10:21:39,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:39,970 INFO L225 Difference]: With dead ends: 30717 [2022-09-16 10:21:39,971 INFO L226 Difference]: Without dead ends: 30717 [2022-09-16 10:21:39,972 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 10:21:39,975 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 54 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:39,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 167 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:40,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30717 states. [2022-09-16 10:21:41,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30717 to 30717. [2022-09-16 10:21:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30717 states, 30663 states have (on average 3.585787431105893) internal successors, (109951), 30716 states have internal predecessors, (109951), 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 10:21:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30717 states to 30717 states and 109951 transitions. [2022-09-16 10:21:41,953 INFO L78 Accepts]: Start accepts. Automaton has 30717 states and 109951 transitions. Word has length 52 [2022-09-16 10:21:41,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:41,954 INFO L495 AbstractCegarLoop]: Abstraction has 30717 states and 109951 transitions. [2022-09-16 10:21:41,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 10:21:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 30717 states and 109951 transitions. [2022-09-16 10:21:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:21:41,970 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:41,971 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] [2022-09-16 10:21:41,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:21:41,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:21:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1141872567, now seen corresponding path program 1 times [2022-09-16 10:21:41,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:41,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807341660] [2022-09-16 10:21:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:42,071 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 10:21:42,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:42,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807341660] [2022-09-16 10:21:42,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807341660] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:42,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:42,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:21:42,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873228942] [2022-09-16 10:21:42,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:42,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:21:42,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:42,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:21:42,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:21:42,075 INFO L87 Difference]: Start difference. First operand 30717 states and 109951 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:21:42,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:42,692 INFO L93 Difference]: Finished difference Result 27435 states and 96987 transitions. [2022-09-16 10:21:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:21:42,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:21:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:42,872 INFO L225 Difference]: With dead ends: 27435 [2022-09-16 10:21:42,872 INFO L226 Difference]: Without dead ends: 27435 [2022-09-16 10:21:42,876 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 10:21:42,878 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 201 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:42,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 216 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27435 states. [2022-09-16 10:21:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27435 to 26625. [2022-09-16 10:21:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26625 states, 26598 states have (on average 3.5763591247462214) internal successors, (95124), 26624 states have internal predecessors, (95124), 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 10:21:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26625 states to 26625 states and 95124 transitions. [2022-09-16 10:21:43,947 INFO L78 Accepts]: Start accepts. Automaton has 26625 states and 95124 transitions. Word has length 66 [2022-09-16 10:21:43,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:43,949 INFO L495 AbstractCegarLoop]: Abstraction has 26625 states and 95124 transitions. [2022-09-16 10:21:43,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:21:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 26625 states and 95124 transitions. [2022-09-16 10:21:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:21:43,952 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:43,952 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] [2022-09-16 10:21:43,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:21:43,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:21:43,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1141872566, now seen corresponding path program 1 times [2022-09-16 10:21:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:43,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044591241] [2022-09-16 10:21:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:44,073 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 10:21:44,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:44,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044591241] [2022-09-16 10:21:44,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044591241] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:44,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:44,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:21:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581211157] [2022-09-16 10:21:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:44,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:21:44,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:44,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:21:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:21:44,075 INFO L87 Difference]: Start difference. First operand 26625 states and 95124 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:21:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:44,498 INFO L93 Difference]: Finished difference Result 22263 states and 79586 transitions. [2022-09-16 10:21:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:21:44,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:21:44,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:44,610 INFO L225 Difference]: With dead ends: 22263 [2022-09-16 10:21:44,610 INFO L226 Difference]: Without dead ends: 22263 [2022-09-16 10:21:44,613 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 10:21:44,617 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 108 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:44,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 307 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:44,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22263 states. [2022-09-16 10:21:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22263 to 22263. [2022-09-16 10:21:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22263 states, 22254 states have (on average 3.5762559539858003) internal successors, (79586), 22262 states have internal predecessors, (79586), 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 10:21:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22263 states to 22263 states and 79586 transitions. [2022-09-16 10:21:45,412 INFO L78 Accepts]: Start accepts. Automaton has 22263 states and 79586 transitions. Word has length 66 [2022-09-16 10:21:45,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:45,412 INFO L495 AbstractCegarLoop]: Abstraction has 22263 states and 79586 transitions. [2022-09-16 10:21:45,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:21:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 22263 states and 79586 transitions. [2022-09-16 10:21:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-09-16 10:21:45,431 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:45,431 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 10:21:45,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:21:45,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:21:45,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:45,432 INFO L85 PathProgramCache]: Analyzing trace with hash -634736961, now seen corresponding path program 1 times [2022-09-16 10:21:45,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:45,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618787979] [2022-09-16 10:21:45,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:45,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:45,843 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 10:21:45,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:45,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618787979] [2022-09-16 10:21:45,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618787979] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:45,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:45,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:21:45,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570658264] [2022-09-16 10:21:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:45,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:21:45,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:21:45,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:21:45,848 INFO L87 Difference]: Start difference. First operand 22263 states and 79586 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 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 10:21:46,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:46,044 INFO L93 Difference]: Finished difference Result 21453 states and 76913 transitions. [2022-09-16 10:21:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:21:46,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 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 10:21:46,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:46,045 INFO L225 Difference]: With dead ends: 21453 [2022-09-16 10:21:46,045 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:21:46,046 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 10:21:46,046 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 246 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:46,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 221 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:46,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:21:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:21:46,048 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 10:21:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:21:46,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-09-16 10:21:46,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:46,048 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:21:46,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 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 10:21:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:21:46,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:21:46,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:21:46,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:21:46,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:21:46,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:21:46,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:21:46,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:21:46,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:21:46,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:21:46,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:21:46,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:21:46,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:21:46,053 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:21:46,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:21:46,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:21:46,054 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:21:46,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:21:46,057 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:21:46,061 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:21:46,061 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:21:46,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:21:46 BasicIcfg [2022-09-16 10:21:46,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:21:46,065 INFO L158 Benchmark]: Toolchain (without parser) took 11178.86ms. Allocated memory was 180.4MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 125.8MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 678.5MB. Max. memory is 8.0GB. [2022-09-16 10:21:46,065 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:21:46,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.09ms. Allocated memory is still 180.4MB. Free memory was 125.7MB in the beginning and 143.3MB in the end (delta: -17.5MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-09-16 10:21:46,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.96ms. Allocated memory is still 180.4MB. Free memory was 143.3MB in the beginning and 140.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:21:46,066 INFO L158 Benchmark]: Boogie Preprocessor took 46.83ms. Allocated memory is still 180.4MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:21:46,066 INFO L158 Benchmark]: RCFGBuilder took 1119.68ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 90.2MB in the end (delta: 48.3MB). Peak memory consumption was 51.3MB. Max. memory is 8.0GB. [2022-09-16 10:21:46,066 INFO L158 Benchmark]: TraceAbstraction took 9396.10ms. Allocated memory was 180.4MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 89.6MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 641.4MB. Max. memory is 8.0GB. [2022-09-16 10:21:46,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 525.09ms. Allocated memory is still 180.4MB. Free memory was 125.7MB in the beginning and 143.3MB in the end (delta: -17.5MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.96ms. Allocated memory is still 180.4MB. Free memory was 143.3MB in the beginning and 140.5MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.83ms. Allocated memory is still 180.4MB. Free memory was 140.5MB in the beginning and 138.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1119.68ms. Allocated memory is still 180.4MB. Free memory was 138.4MB in the beginning and 90.2MB in the end (delta: 48.3MB). Peak memory consumption was 51.3MB. Max. memory is 8.0GB. * TraceAbstraction took 9396.10ms. Allocated memory was 180.4MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 89.6MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 641.4MB. 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: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: 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: 835]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: 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 7 procedures, 161 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 609 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 609 mSDsluCounter, 911 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 507 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 459 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41040occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:21:46,105 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...