/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/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:33:33,184 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:33:33,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:33:33,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:33:33,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:33:33,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:33:33,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:33:33,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:33:33,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:33:33,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:33:33,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:33:33,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:33:33,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:33:33,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:33:33,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:33:33,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:33:33,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:33:33,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:33:33,297 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 10:33:33,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:33:33,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:33:33,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:33:33,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:33:33,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:33:33,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:33:33,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:33:33,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:33:33,331 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:33:33,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:33:33,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:33:33,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:33:33,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:33:33,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:33:33,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:33:33,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:33:33,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:33:33,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:33:33,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:33,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:33:33,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:33:33,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:33:33,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:33:33,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:33:33,335 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:33:33,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:33:33,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:33:33,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:33:33,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:33:33,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:33:33,644 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:33:33,645 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:33:33,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2022-09-16 10:33:33,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69de7598/621a0d8f562646c3b3ca07d238dc1708/FLAG432e1aba8 [2022-09-16 10:33:34,236 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:33:34,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2022-09-16 10:33:34,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69de7598/621a0d8f562646c3b3ca07d238dc1708/FLAG432e1aba8 [2022-09-16 10:33:34,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69de7598/621a0d8f562646c3b3ca07d238dc1708 [2022-09-16 10:33:34,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:33:34,706 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:33:34,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:34,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:33:34,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:33:34,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:34" (1/1) ... [2022-09-16 10:33:34,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d33fd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:34, skipping insertion in model container [2022-09-16 10:33:34,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:34" (1/1) ... [2022-09-16 10:33:34,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:33:34,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:33:35,016 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/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i[1019,1032] [2022-09-16 10:33:35,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:35,267 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:33:35,279 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/safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i[1019,1032] [2022-09-16 10:33:35,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:35,381 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:33:35,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35 WrapperNode [2022-09-16 10:33:35,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:35,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:33:35,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:33:35,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:33:35,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,458 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2022-09-16 10:33:35,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:33:35,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:33:35,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:33:35,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:33:35,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:33:35,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:33:35,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:33:35,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:33:35,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (1/1) ... [2022-09-16 10:33:35,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:35,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:33:35,557 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 10:33:35,573 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 10:33:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:33:35,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:33:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:33:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:33:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:33:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:33:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:33:35,608 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:33:35,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:33:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:33:35,609 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:33:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:33:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:33:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:33:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:33:35,611 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 10:33:35,808 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:33:35,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:33:36,342 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:33:36,675 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:33:36,676 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:33:36,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:33:36 BoogieIcfgContainer [2022-09-16 10:33:36,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:33:36,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:33:36,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:33:36,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:33:36,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:33:34" (1/3) ... [2022-09-16 10:33:36,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37757323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:33:36, skipping insertion in model container [2022-09-16 10:33:36,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:35" (2/3) ... [2022-09-16 10:33:36,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37757323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:33:36, skipping insertion in model container [2022-09-16 10:33:36,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:33:36" (3/3) ... [2022-09-16 10:33:36,687 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_power.opt_pso.oepc_pso.opt_rmo.opt.i [2022-09-16 10:33:36,695 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:33:36,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:33:36,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:33:36,705 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:33:36,779 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:33:36,818 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 126 places, 118 transitions, 251 flow [2022-09-16 10:33:38,121 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27799 states, 27773 states have (on average 3.6857379469268716) internal successors, (102364), 27798 states have internal predecessors, (102364), 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 10:33:38,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:33:38,150 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;@2d2b8dc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:33:38,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:33:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 27799 states, 27773 states have (on average 3.6857379469268716) internal successors, (102364), 27798 states have internal predecessors, (102364), 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 10:33:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-09-16 10:33:38,223 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:38,224 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] [2022-09-16 10:33:38,225 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 10:33:38,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1709388455, now seen corresponding path program 1 times [2022-09-16 10:33:38,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:38,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123567422] [2022-09-16 10:33:38,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:38,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:38,695 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 10:33:38,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:38,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123567422] [2022-09-16 10:33:38,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123567422] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:38,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:38,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:33:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389666292] [2022-09-16 10:33:38,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:38,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:33:38,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:38,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:33:38,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:33:38,798 INFO L87 Difference]: Start difference. First operand has 27799 states, 27773 states have (on average 3.6857379469268716) internal successors, (102364), 27798 states have internal predecessors, (102364), 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 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 10:33:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:39,333 INFO L93 Difference]: Finished difference Result 20938 states and 73830 transitions. [2022-09-16 10:33:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:33:39,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2022-09-16 10:33:39,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:39,657 INFO L225 Difference]: With dead ends: 20938 [2022-09-16 10:33:39,657 INFO L226 Difference]: Without dead ends: 20938 [2022-09-16 10:33:39,659 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 10:33:39,667 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:39,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 157 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20938 states. [2022-09-16 10:33:40,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20938 to 20938. [2022-09-16 10:33:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20938 states, 20884 states have (on average 3.5352422907488985) internal successors, (73830), 20937 states have internal predecessors, (73830), 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 10:33:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20938 states to 20938 states and 73830 transitions. [2022-09-16 10:33:40,806 INFO L78 Accepts]: Start accepts. Automaton has 20938 states and 73830 transitions. Word has length 47 [2022-09-16 10:33:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:40,808 INFO L495 AbstractCegarLoop]: Abstraction has 20938 states and 73830 transitions. [2022-09-16 10:33:40,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 10:33:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 20938 states and 73830 transitions. [2022-09-16 10:33:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-09-16 10:33:40,819 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:40,819 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] [2022-09-16 10:33:40,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:33:40,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:33:40,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:40,820 INFO L85 PathProgramCache]: Analyzing trace with hash 39671364, now seen corresponding path program 1 times [2022-09-16 10:33:40,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:40,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738059911] [2022-09-16 10:33:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:40,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:40,971 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 10:33:40,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:40,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738059911] [2022-09-16 10:33:40,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738059911] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:40,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:40,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:40,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311857279] [2022-09-16 10:33:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:40,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:40,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:40,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:40,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:40,975 INFO L87 Difference]: Start difference. First operand 20938 states and 73830 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:33:41,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:41,429 INFO L93 Difference]: Finished difference Result 18376 states and 63482 transitions. [2022-09-16 10:33:41,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:41,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2022-09-16 10:33:41,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:41,675 INFO L225 Difference]: With dead ends: 18376 [2022-09-16 10:33:41,675 INFO L226 Difference]: Without dead ends: 18376 [2022-09-16 10:33:41,675 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 10:33:41,677 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 182 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:41,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 203 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:41,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18376 states. [2022-09-16 10:33:42,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18376 to 17566. [2022-09-16 10:33:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17566 states, 17539 states have (on average 3.513256171959633) internal successors, (61619), 17565 states have internal predecessors, (61619), 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 10:33:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17566 states to 17566 states and 61619 transitions. [2022-09-16 10:33:42,353 INFO L78 Accepts]: Start accepts. Automaton has 17566 states and 61619 transitions. Word has length 59 [2022-09-16 10:33:42,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:42,355 INFO L495 AbstractCegarLoop]: Abstraction has 17566 states and 61619 transitions. [2022-09-16 10:33:42,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:33:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 17566 states and 61619 transitions. [2022-09-16 10:33:42,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-09-16 10:33:42,359 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:42,359 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] [2022-09-16 10:33:42,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:33:42,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:33:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:42,366 INFO L85 PathProgramCache]: Analyzing trace with hash 39671365, now seen corresponding path program 1 times [2022-09-16 10:33:42,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:42,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669868775] [2022-09-16 10:33:42,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:42,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:42,489 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 10:33:42,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:42,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669868775] [2022-09-16 10:33:42,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669868775] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:42,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:42,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:42,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327444593] [2022-09-16 10:33:42,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:42,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:42,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:42,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:42,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:42,610 INFO L87 Difference]: Start difference. First operand 17566 states and 61619 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:33:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:42,848 INFO L93 Difference]: Finished difference Result 13924 states and 48697 transitions. [2022-09-16 10:33:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 59 [2022-09-16 10:33:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:43,079 INFO L225 Difference]: With dead ends: 13924 [2022-09-16 10:33:43,079 INFO L226 Difference]: Without dead ends: 13924 [2022-09-16 10:33:43,079 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 10:33:43,081 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 103 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:43,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 287 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13924 states. [2022-09-16 10:33:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13924 to 13924. [2022-09-16 10:33:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13924 states, 13915 states have (on average 3.4996047430830037) internal successors, (48697), 13923 states have internal predecessors, (48697), 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 10:33:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13924 states to 13924 states and 48697 transitions. [2022-09-16 10:33:43,681 INFO L78 Accepts]: Start accepts. Automaton has 13924 states and 48697 transitions. Word has length 59 [2022-09-16 10:33:43,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:43,681 INFO L495 AbstractCegarLoop]: Abstraction has 13924 states and 48697 transitions. [2022-09-16 10:33:43,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 10:33:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 13924 states and 48697 transitions. [2022-09-16 10:33:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-09-16 10:33:43,692 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:43,692 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] [2022-09-16 10:33:43,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:33:43,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:33:43,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:43,693 INFO L85 PathProgramCache]: Analyzing trace with hash -445688746, now seen corresponding path program 1 times [2022-09-16 10:33:43,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:43,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4082222] [2022-09-16 10:33:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:43,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:43,838 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 10:33:43,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:43,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4082222] [2022-09-16 10:33:43,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4082222] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:43,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:43,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:33:43,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089854100] [2022-09-16 10:33:43,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:43,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:33:43,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:43,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:33:43,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:33:43,841 INFO L87 Difference]: Start difference. First operand 13924 states and 48697 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 10:33:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:44,004 INFO L93 Difference]: Finished difference Result 13114 states and 46024 transitions. [2022-09-16 10:33:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:33:44,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 71 [2022-09-16 10:33:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:44,005 INFO L225 Difference]: With dead ends: 13114 [2022-09-16 10:33:44,005 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:33:44,005 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 10:33:44,006 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 280 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:44,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 208 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:44,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:33:44,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:33:44,008 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 10:33:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:33:44,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2022-09-16 10:33:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:44,010 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:33:44,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 10:33:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:33:44,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:33:44,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:33:44,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:33:44,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:33:44,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:33:44,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:33:44,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:33:44,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:33:44,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:33:44,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:33:44,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:33:44,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:33:44,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:33:44,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:33:44,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:33:44,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:33:44,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:33:44,022 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:33:44,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:33:44,028 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:33:44,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:33:44 BasicIcfg [2022-09-16 10:33:44,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:33:44,031 INFO L158 Benchmark]: Toolchain (without parser) took 9324.98ms. Allocated memory was 184.5MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 152.7MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 472.4MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,031 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 184.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:33:44,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.10ms. Allocated memory was 184.5MB in the beginning and 263.2MB in the end (delta: 78.6MB). Free memory was 152.5MB in the beginning and 217.8MB in the end (delta: -65.3MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.08ms. Allocated memory is still 263.2MB. Free memory was 217.8MB in the beginning and 215.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,032 INFO L158 Benchmark]: Boogie Preprocessor took 52.38ms. Allocated memory is still 263.2MB. Free memory was 215.2MB in the beginning and 213.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,033 INFO L158 Benchmark]: RCFGBuilder took 1165.46ms. Allocated memory is still 263.2MB. Free memory was 213.1MB in the beginning and 186.0MB in the end (delta: 27.1MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,033 INFO L158 Benchmark]: TraceAbstraction took 7350.32ms. Allocated memory was 263.2MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 185.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 425.8MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 184.5MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 675.10ms. Allocated memory was 184.5MB in the beginning and 263.2MB in the end (delta: 78.6MB). Free memory was 152.5MB in the beginning and 217.8MB in the end (delta: -65.3MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.08ms. Allocated memory is still 263.2MB. Free memory was 217.8MB in the beginning and 215.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.38ms. Allocated memory is still 263.2MB. Free memory was 215.2MB in the beginning and 213.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1165.46ms. Allocated memory is still 263.2MB. Free memory was 213.1MB in the beginning and 186.0MB in the end (delta: 27.1MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * TraceAbstraction took 7350.32ms. Allocated memory was 263.2MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 185.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 425.8MB. 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: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 814]: 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, 149 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 616 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 616 mSDsluCounter, 855 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 475 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 160 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 428 mSDtfsCounter, 160 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=27799occurred 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: 2.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 632 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 10:33:44,075 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...