/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/mix027_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:26:51,517 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:26:51,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:26:51,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:26:51,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:26:51,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:26:51,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:26:51,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:26:51,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:26:51,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:26:51,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:26:51,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:26:51,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:26:51,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:26:51,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:26:51,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:26:51,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:26:51,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:26:51,575 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 10:26:51,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:26:51,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:26:51,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:26:51,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:26:51,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:26:51,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:26:51,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:26:51,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:26:51,597 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:26:51,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:26:51,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:26:51,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:26:51,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:26:51,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:26:51,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:26:51,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:26:51,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:26:51,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:26:51,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:26:51,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:26:51,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:26:51,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:26:51,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:26:51,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:26:51,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:26:51,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:26:51,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:26:51,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:26:51,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:26:51,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:26:51,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:26:51,873 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:26:51,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_power.opt_pso.opt_rmo.opt.i [2022-09-16 10:26:51,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2cc85202/dd705c36fce44b7b958073231edafd4e/FLAG65a3b01d1 [2022-09-16 10:26:52,404 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:26:52,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_power.opt_pso.opt_rmo.opt.i [2022-09-16 10:26:52,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2cc85202/dd705c36fce44b7b958073231edafd4e/FLAG65a3b01d1 [2022-09-16 10:26:52,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2cc85202/dd705c36fce44b7b958073231edafd4e [2022-09-16 10:26:52,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:26:52,906 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:26:52,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:26:52,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:26:52,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:26:52,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:26:52" (1/1) ... [2022-09-16 10:26:52,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8cbf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:52, skipping insertion in model container [2022-09-16 10:26:52,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:26:52" (1/1) ... [2022-09-16 10:26:52,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:26:52,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:26:53,120 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/mix027_power.opt_pso.opt_rmo.opt.i[966,979] [2022-09-16 10:26:53,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:26:53,340 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:26:53,351 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/mix027_power.opt_pso.opt_rmo.opt.i[966,979] [2022-09-16 10:26:53,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:26:53,414 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:26:53,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53 WrapperNode [2022-09-16 10:26:53,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:26:53,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:26:53,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:26:53,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:26:53,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,457 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2022-09-16 10:26:53,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:26:53,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:26:53,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:26:53,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:26:53,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:26:53,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:26:53,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:26:53,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:26:53,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (1/1) ... [2022-09-16 10:26:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:26:53,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:26:53,528 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 10:26:53,553 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 10:26:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:26:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:26:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:26:53,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:26:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:26:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:26:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:26:53,568 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:26:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:26:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:26:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:26:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:26:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:26:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:26:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:26:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:26:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:26:53,571 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 10:26:53,716 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:26:53,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:26:54,138 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:26:54,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:26:54,533 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:26:54,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:26:54 BoogieIcfgContainer [2022-09-16 10:26:54,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:26:54,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:26:54,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:26:54,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:26:54,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:26:52" (1/3) ... [2022-09-16 10:26:54,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da964d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:26:54, skipping insertion in model container [2022-09-16 10:26:54,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:53" (2/3) ... [2022-09-16 10:26:54,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da964d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:26:54, skipping insertion in model container [2022-09-16 10:26:54,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:26:54" (3/3) ... [2022-09-16 10:26:54,543 INFO L112 eAbstractionObserver]: Analyzing ICFG mix027_power.opt_pso.opt_rmo.opt.i [2022-09-16 10:26:54,550 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:26:54,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:26:54,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:26:54,557 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:26:54,634 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:26:54,676 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 152 places, 141 transitions, 302 flow [2022-09-16 10:27:02,733 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 297704 states, 297624 states have (on average 4.592153186570975) internal successors, (1366735), 297703 states have internal predecessors, (1366735), 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 10:27:02,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:27:02,776 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;@95c8d48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:27:02,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:27:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 297704 states, 297624 states have (on average 4.592153186570975) internal successors, (1366735), 297703 states have internal predecessors, (1366735), 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 10:27:03,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-09-16 10:27:03,289 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:03,289 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] [2022-09-16 10:27:03,290 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:27:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:03,296 INFO L85 PathProgramCache]: Analyzing trace with hash 402235785, now seen corresponding path program 1 times [2022-09-16 10:27:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:03,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495124675] [2022-09-16 10:27:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:03,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:03,574 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 10:27:03,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:03,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495124675] [2022-09-16 10:27:03,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495124675] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:03,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:03,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:27:03,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589966428] [2022-09-16 10:27:03,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:03,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:27:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:03,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:27:03,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:27:04,274 INFO L87 Difference]: Start difference. First operand has 297704 states, 297624 states have (on average 4.592153186570975) internal successors, (1366735), 297703 states have internal predecessors, (1366735), 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 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 10:27:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:09,640 INFO L93 Difference]: Finished difference Result 238365 states and 1059125 transitions. [2022-09-16 10:27:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:27:09,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-09-16 10:27:09,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:12,998 INFO L225 Difference]: With dead ends: 238365 [2022-09-16 10:27:12,998 INFO L226 Difference]: Without dead ends: 238365 [2022-09-16 10:27:13,000 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 10:27:13,004 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 64 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:13,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 190 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:27:13,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238365 states. [2022-09-16 10:27:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238365 to 238365. [2022-09-16 10:27:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238365 states, 238173 states have (on average 4.446872651392056) internal successors, (1059125), 238364 states have internal predecessors, (1059125), 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 10:27:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238365 states to 238365 states and 1059125 transitions. [2022-09-16 10:27:27,633 INFO L78 Accepts]: Start accepts. Automaton has 238365 states and 1059125 transitions. Word has length 51 [2022-09-16 10:27:27,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:27,633 INFO L495 AbstractCegarLoop]: Abstraction has 238365 states and 1059125 transitions. [2022-09-16 10:27:27,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 10:27:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 238365 states and 1059125 transitions. [2022-09-16 10:27:27,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:27:27,637 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:27,637 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] [2022-09-16 10:27:27,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:27:27,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:27:27,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:27,638 INFO L85 PathProgramCache]: Analyzing trace with hash -2073381348, now seen corresponding path program 1 times [2022-09-16 10:27:27,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:27,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488585136] [2022-09-16 10:27:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:27,743 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 10:27:27,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:27,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488585136] [2022-09-16 10:27:27,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488585136] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:27,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:27,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:27:27,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770790737] [2022-09-16 10:27:27,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:27,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:27:27,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:27,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:27:27,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:27:27,746 INFO L87 Difference]: Start difference. First operand 238365 states and 1059125 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:27:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:30,638 INFO L93 Difference]: Finished difference Result 167511 states and 741232 transitions. [2022-09-16 10:27:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:27:30,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-09-16 10:27:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:32,725 INFO L225 Difference]: With dead ends: 167511 [2022-09-16 10:27:32,726 INFO L226 Difference]: Without dead ends: 167511 [2022-09-16 10:27:32,726 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 10:27:32,727 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 133 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:32,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 347 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:27:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167511 states. [2022-09-16 10:27:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167511 to 167511. [2022-09-16 10:27:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167511 states, 167469 states have (on average 4.426084827639742) internal successors, (741232), 167510 states have internal predecessors, (741232), 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 10:27:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167511 states to 167511 states and 741232 transitions. [2022-09-16 10:27:44,285 INFO L78 Accepts]: Start accepts. Automaton has 167511 states and 741232 transitions. Word has length 62 [2022-09-16 10:27:44,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:44,288 INFO L495 AbstractCegarLoop]: Abstraction has 167511 states and 741232 transitions. [2022-09-16 10:27:44,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:27:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 167511 states and 741232 transitions. [2022-09-16 10:27:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:27:44,298 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:44,311 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] [2022-09-16 10:27:44,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:27:44,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:27:44,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:44,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2073381349, now seen corresponding path program 1 times [2022-09-16 10:27:44,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:44,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820229334] [2022-09-16 10:27:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:44,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:44,497 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 10:27:44,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:44,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820229334] [2022-09-16 10:27:44,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820229334] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:44,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:44,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:27:44,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058493077] [2022-09-16 10:27:44,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:44,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:27:44,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:44,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:27:44,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:27:44,500 INFO L87 Difference]: Start difference. First operand 167511 states and 741232 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:27:47,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:47,235 INFO L93 Difference]: Finished difference Result 135276 states and 592482 transitions. [2022-09-16 10:27:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:27:47,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-09-16 10:27:47,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:27:49,076 INFO L225 Difference]: With dead ends: 135276 [2022-09-16 10:27:49,076 INFO L226 Difference]: Without dead ends: 135276 [2022-09-16 10:27:49,077 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 10:27:49,078 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 170 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:27:49,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 258 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:27:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135276 states. [2022-09-16 10:27:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135276 to 135276. [2022-09-16 10:27:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135276 states, 135246 states have (on average 4.380772813983408) internal successors, (592482), 135275 states have internal predecessors, (592482), 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 10:27:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135276 states to 135276 states and 592482 transitions. [2022-09-16 10:27:57,089 INFO L78 Accepts]: Start accepts. Automaton has 135276 states and 592482 transitions. Word has length 62 [2022-09-16 10:27:57,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:27:57,090 INFO L495 AbstractCegarLoop]: Abstraction has 135276 states and 592482 transitions. [2022-09-16 10:27:57,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:27:57,090 INFO L276 IsEmpty]: Start isEmpty. Operand 135276 states and 592482 transitions. [2022-09-16 10:27:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-09-16 10:27:57,104 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:27:57,104 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] [2022-09-16 10:27:57,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:27:57,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:27:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:27:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash 464416419, now seen corresponding path program 1 times [2022-09-16 10:27:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:27:57,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652078343] [2022-09-16 10:27:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:27:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:27:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:27:57,316 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 10:27:57,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:27:57,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652078343] [2022-09-16 10:27:57,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652078343] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:27:57,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:27:57,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:27:57,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325303912] [2022-09-16 10:27:57,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:27:57,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:27:57,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:27:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:27:57,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:27:57,320 INFO L87 Difference]: Start difference. First operand 135276 states and 592482 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 10:27:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:27:59,629 INFO L93 Difference]: Finished difference Result 116943 states and 513795 transitions. [2022-09-16 10:27:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:27:59,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 74 [2022-09-16 10:27:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:28:01,404 INFO L225 Difference]: With dead ends: 116943 [2022-09-16 10:28:01,405 INFO L226 Difference]: Without dead ends: 116943 [2022-09-16 10:28:01,405 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 10:28:01,447 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 449 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:28:01,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 304 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:28:01,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116943 states. [2022-09-16 10:28:05,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116943 to 116943. [2022-09-16 10:28:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116943 states, 116931 states have (on average 4.394001590681684) internal successors, (513795), 116942 states have internal predecessors, (513795), 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 10:28:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116943 states to 116943 states and 513795 transitions. [2022-09-16 10:28:07,178 INFO L78 Accepts]: Start accepts. Automaton has 116943 states and 513795 transitions. Word has length 74 [2022-09-16 10:28:07,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:28:07,178 INFO L495 AbstractCegarLoop]: Abstraction has 116943 states and 513795 transitions. [2022-09-16 10:28:07,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 10:28:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 116943 states and 513795 transitions. [2022-09-16 10:28:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-09-16 10:28:07,469 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:28:07,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:28:07,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:28:07,470 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:28:07,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:28:07,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1661515089, now seen corresponding path program 1 times [2022-09-16 10:28:07,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:28:07,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226248121] [2022-09-16 10:28:07,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:28:07,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:28:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:28:07,690 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 10:28:07,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:28:07,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226248121] [2022-09-16 10:28:07,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226248121] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:28:07,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:28:07,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:28:07,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041801623] [2022-09-16 10:28:07,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:28:07,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:28:07,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:28:07,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:28:07,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:28:07,694 INFO L87 Difference]: Start difference. First operand 116943 states and 513795 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 10:28:09,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:28:09,952 INFO L93 Difference]: Finished difference Result 113487 states and 500079 transitions. [2022-09-16 10:28:09,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:28:09,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 87 [2022-09-16 10:28:09,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:28:09,959 INFO L225 Difference]: With dead ends: 113487 [2022-09-16 10:28:09,959 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:28:09,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:28:09,961 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 719 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:28:09,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 300 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:28:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:28:09,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:28:09,967 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 10:28:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:28:09,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-09-16 10:28:09,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:28:09,967 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:28:09,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 10:28:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:28:09,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:28:09,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:28:09,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:28:09,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:28:09,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:28:09,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:28:09,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:28:09,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:28:09,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:28:09,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:28:09,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:28:09,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:28:09,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:28:09,993 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:28:09,997 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:28:09,997 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:28:10,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:28:10 BasicIcfg [2022-09-16 10:28:10,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:28:10,003 INFO L158 Benchmark]: Toolchain (without parser) took 77096.29ms. Allocated memory was 170.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 111.2MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-09-16 10:28:10,003 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 170.9MB. Free memory was 129.9MB in the beginning and 129.8MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:28:10,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.69ms. Allocated memory is still 170.9MB. Free memory was 111.0MB in the beginning and 132.7MB in the end (delta: -21.7MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:10,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.76ms. Allocated memory is still 170.9MB. Free memory was 132.7MB in the beginning and 130.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:10,004 INFO L158 Benchmark]: Boogie Preprocessor took 26.69ms. Allocated memory is still 170.9MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:10,004 INFO L158 Benchmark]: RCFGBuilder took 1049.86ms. Allocated memory was 170.9MB in the beginning and 219.2MB in the end (delta: 48.2MB). Free memory was 128.0MB in the beginning and 140.5MB in the end (delta: -12.5MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. [2022-09-16 10:28:10,005 INFO L158 Benchmark]: TraceAbstraction took 75463.60ms. Allocated memory was 219.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 139.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-09-16 10:28:10,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 170.9MB. Free memory was 129.9MB in the beginning and 129.8MB in the end (delta: 81.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 506.69ms. Allocated memory is still 170.9MB. Free memory was 111.0MB in the beginning and 132.7MB in the end (delta: -21.7MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.76ms. Allocated memory is still 170.9MB. Free memory was 132.7MB in the beginning and 130.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.69ms. Allocated memory is still 170.9MB. Free memory was 130.1MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1049.86ms. Allocated memory was 170.9MB in the beginning and 219.2MB in the end (delta: 48.2MB). Free memory was 128.0MB in the beginning and 140.5MB in the end (delta: -12.5MB). Peak memory consumption was 48.1MB. Max. memory is 8.0GB. * TraceAbstraction took 75463.60ms. Allocated memory was 219.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 139.9MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 4.4GB. 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: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 183 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 75.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 25.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1535 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1535 mSDsluCounter, 1399 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 851 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 630 mSDtfsCounter, 253 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297704occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 39.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:28:10,076 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...