/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/mix021.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:24:45,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:24:45,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:24:45,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:24:45,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:24:45,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:24:45,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:24:45,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:24:45,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:24:45,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:24:45,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:24:45,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:24:45,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:24:45,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:24:45,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:24:45,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:24:45,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:24:45,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:24:45,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:24:45,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:24:45,475 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 10:24:45,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:24:45,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:24:45,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:24:45,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:24:45,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:24:45,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:24:45,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:24:45,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:24:45,490 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:24:45,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:24:45,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:24:45,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:24:45,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:24:45,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:24:45,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:24:45,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:24:45,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:24:45,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:24:45,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:24:45,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:24:45,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:24:45,705 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:24:45,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2022-09-16 10:24:45,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe11a908/c746e45b660e47e0aa159c39c70eb39a/FLAGfd29d830f [2022-09-16 10:24:46,104 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:24:46,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2022-09-16 10:24:46,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe11a908/c746e45b660e47e0aa159c39c70eb39a/FLAGfd29d830f [2022-09-16 10:24:46,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe11a908/c746e45b660e47e0aa159c39c70eb39a [2022-09-16 10:24:46,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:24:46,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:24:46,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:24:46,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:24:46,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:24:46,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5db8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46, skipping insertion in model container [2022-09-16 10:24:46,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:24:46,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:24:46,664 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/mix021.opt.i[944,957] [2022-09-16 10:24:46,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:24:46,814 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:24:46,823 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/mix021.opt.i[944,957] [2022-09-16 10:24:46,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:24:46,887 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:24:46,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46 WrapperNode [2022-09-16 10:24:46,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:24:46,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:24:46,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:24:46,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:24:46,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,953 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 296 [2022-09-16 10:24:46,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:24:46,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:24:46,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:24:46,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:24:46,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:46,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:24:46,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:24:46,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:24:46,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:24:46,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (1/1) ... [2022-09-16 10:24:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:24:47,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:24:47,027 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 10:24:47,029 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 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:24:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:24:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:24:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:24:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:24:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:24:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:24:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:24:47,055 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 10:24:47,174 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:24:47,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:24:47,585 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:24:47,970 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:24:47,970 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:24:47,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:24:47 BoogieIcfgContainer [2022-09-16 10:24:47,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:24:47,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:24:47,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:24:47,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:24:47,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:24:46" (1/3) ... [2022-09-16 10:24:47,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d3da48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:24:47, skipping insertion in model container [2022-09-16 10:24:47,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:24:46" (2/3) ... [2022-09-16 10:24:47,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d3da48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:24:47, skipping insertion in model container [2022-09-16 10:24:47,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:24:47" (3/3) ... [2022-09-16 10:24:47,980 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021.opt.i [2022-09-16 10:24:47,986 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:24:47,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:24:47,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:24:47,993 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:24:48,059 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:24:48,091 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 151 places, 140 transitions, 300 flow [2022-09-16 10:24:54,609 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 267734 states, 267654 states have (on average 4.580144514933459) internal successors, (1225894), 267733 states have internal predecessors, (1225894), 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 10:24:54,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:24:54,653 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;@77eadc84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:24:54,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:24:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 267734 states, 267654 states have (on average 4.580144514933459) internal successors, (1225894), 267733 states have internal predecessors, (1225894), 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 10:24:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-09-16 10:24:55,087 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:24:55,087 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 10:24:55,088 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 10:24:55,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:24:55,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1527577519, now seen corresponding path program 1 times [2022-09-16 10:24:55,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:24:55,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468895026] [2022-09-16 10:24:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:24:55,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:24:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:24:55,332 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 10:24:55,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:24:55,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468895026] [2022-09-16 10:24:55,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468895026] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:24:55,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:24:55,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:24:55,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923501206] [2022-09-16 10:24:55,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:24:55,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:24:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:24:55,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:24:55,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:24:55,915 INFO L87 Difference]: Start difference. First operand has 267734 states, 267654 states have (on average 4.580144514933459) internal successors, (1225894), 267733 states have internal predecessors, (1225894), 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 10:25:00,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:25:00,068 INFO L93 Difference]: Finished difference Result 215570 states and 955330 transitions. [2022-09-16 10:25:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:25:00,070 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 10:25:00,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:25:02,626 INFO L225 Difference]: With dead ends: 215570 [2022-09-16 10:25:02,626 INFO L226 Difference]: Without dead ends: 215570 [2022-09-16 10:25:02,629 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 10:25:02,631 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 63 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 188 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 10:25:02,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 188 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:25:03,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215570 states. [2022-09-16 10:25:11,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215570 to 215570. [2022-09-16 10:25:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215570 states, 215378 states have (on average 4.435596950477764) internal successors, (955330), 215569 states have internal predecessors, (955330), 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 10:25:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215570 states to 215570 states and 955330 transitions. [2022-09-16 10:25:14,496 INFO L78 Accepts]: Start accepts. Automaton has 215570 states and 955330 transitions. Word has length 51 [2022-09-16 10:25:14,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:25:14,496 INFO L495 AbstractCegarLoop]: Abstraction has 215570 states and 955330 transitions. [2022-09-16 10:25:14,497 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 10:25:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 215570 states and 955330 transitions. [2022-09-16 10:25:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:25:14,502 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:25:14,502 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 10:25:14,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:25:14,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:25:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:25:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -794283311, now seen corresponding path program 1 times [2022-09-16 10:25:14,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:25:14,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761558704] [2022-09-16 10:25:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:25:14,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:25:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:25:14,587 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 10:25:14,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:25:14,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761558704] [2022-09-16 10:25:14,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761558704] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:25:14,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:25:14,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:25:14,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288393891] [2022-09-16 10:25:14,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:25:14,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:25:14,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:25:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:25:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:25:14,590 INFO L87 Difference]: Start difference. First operand 215570 states and 955330 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 10:25:16,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:25:16,849 INFO L93 Difference]: Finished difference Result 197936 states and 838772 transitions. [2022-09-16 10:25:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:25:16,850 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 10:25:16,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:25:18,801 INFO L225 Difference]: With dead ends: 197936 [2022-09-16 10:25:18,801 INFO L226 Difference]: Without dead ends: 197936 [2022-09-16 10:25:18,801 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 10:25:18,803 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 182 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:25:18,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 255 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:25:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197936 states. [2022-09-16 10:25:26,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197936 to 189296. [2022-09-16 10:25:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189296 states, 189188 states have (on average 4.316225130557964) internal successors, (816578), 189295 states have internal predecessors, (816578), 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 10:25:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189296 states to 189296 states and 816578 transitions. [2022-09-16 10:25:29,816 INFO L78 Accepts]: Start accepts. Automaton has 189296 states and 816578 transitions. Word has length 62 [2022-09-16 10:25:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:25:29,819 INFO L495 AbstractCegarLoop]: Abstraction has 189296 states and 816578 transitions. [2022-09-16 10:25:29,819 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 10:25:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 189296 states and 816578 transitions. [2022-09-16 10:25:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:25:29,821 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:25:29,821 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 10:25:29,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:25:29,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:25:29,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:25:29,837 INFO L85 PathProgramCache]: Analyzing trace with hash -794283310, now seen corresponding path program 1 times [2022-09-16 10:25:29,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:25:29,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194583171] [2022-09-16 10:25:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:25:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:25:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:25:29,942 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 10:25:29,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:25:29,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194583171] [2022-09-16 10:25:29,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194583171] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:25:29,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:25:29,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:25:29,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493692265] [2022-09-16 10:25:29,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:25:29,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:25:29,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:25:29,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:25:29,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:25:29,944 INFO L87 Difference]: Start difference. First operand 189296 states and 816578 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 10:25:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:25:32,164 INFO L93 Difference]: Finished difference Result 119957 states and 522972 transitions. [2022-09-16 10:25:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:25:32,166 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 10:25:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:25:33,882 INFO L225 Difference]: With dead ends: 119957 [2022-09-16 10:25:33,883 INFO L226 Difference]: Without dead ends: 119957 [2022-09-16 10:25:33,883 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 10:25:33,884 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 131 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 343 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 10:25:33,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 343 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:25:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119957 states. [2022-09-16 10:25:38,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119957 to 119957. [2022-09-16 10:25:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119957 states, 119927 states have (on average 4.360752791281363) internal successors, (522972), 119956 states have internal predecessors, (522972), 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 10:25:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119957 states to 119957 states and 522972 transitions. [2022-09-16 10:25:39,604 INFO L78 Accepts]: Start accepts. Automaton has 119957 states and 522972 transitions. Word has length 62 [2022-09-16 10:25:39,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:25:39,604 INFO L495 AbstractCegarLoop]: Abstraction has 119957 states and 522972 transitions. [2022-09-16 10:25:39,604 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 10:25:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 119957 states and 522972 transitions. [2022-09-16 10:25:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-09-16 10:25:39,611 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:25:39,611 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] [2022-09-16 10:25:39,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:25:39,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:25:39,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:25:39,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1911037792, now seen corresponding path program 1 times [2022-09-16 10:25:39,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:25:39,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194333252] [2022-09-16 10:25:39,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:25:39,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:25:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:25:39,683 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 10:25:39,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:25:39,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194333252] [2022-09-16 10:25:39,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194333252] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:25:39,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:25:39,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:25:39,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620686429] [2022-09-16 10:25:39,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:25:39,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:25:39,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:25:39,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:25:39,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:25:39,685 INFO L87 Difference]: Start difference. First operand 119957 states and 522972 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 10:25:41,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:25:41,280 INFO L93 Difference]: Finished difference Result 102488 states and 448002 transitions. [2022-09-16 10:25:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:25:41,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 73 [2022-09-16 10:25:41,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:25:42,508 INFO L225 Difference]: With dead ends: 102488 [2022-09-16 10:25:42,509 INFO L226 Difference]: Without dead ends: 102488 [2022-09-16 10:25:42,509 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 10:25:42,510 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 245 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:25:42,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 316 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:25:42,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102488 states. [2022-09-16 10:25:46,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102488 to 102488. [2022-09-16 10:25:46,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102488 states, 102476 states have (on average 4.371774854600101) internal successors, (448002), 102487 states have internal predecessors, (448002), 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 10:25:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102488 states to 102488 states and 448002 transitions. [2022-09-16 10:25:47,287 INFO L78 Accepts]: Start accepts. Automaton has 102488 states and 448002 transitions. Word has length 73 [2022-09-16 10:25:47,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:25:47,287 INFO L495 AbstractCegarLoop]: Abstraction has 102488 states and 448002 transitions. [2022-09-16 10:25:47,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 10:25:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 102488 states and 448002 transitions. [2022-09-16 10:25:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:25:47,676 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:25:47,677 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] [2022-09-16 10:25:47,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:25:47,677 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 10:25:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:25:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1833854517, now seen corresponding path program 1 times [2022-09-16 10:25:47,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:25:47,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461370906] [2022-09-16 10:25:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:25:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:25:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:25:47,823 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 10:25:47,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:25:47,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461370906] [2022-09-16 10:25:47,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461370906] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:25:47,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:25:47,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:25:47,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445860792] [2022-09-16 10:25:47,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:25:47,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:25:47,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:25:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:25:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:25:47,826 INFO L87 Difference]: Start difference. First operand 102488 states and 448002 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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 10:25:48,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:25:48,886 INFO L93 Difference]: Finished difference Result 99032 states and 434286 transitions. [2022-09-16 10:25:48,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:25:48,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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 86 [2022-09-16 10:25:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:25:48,888 INFO L225 Difference]: With dead ends: 99032 [2022-09-16 10:25:48,888 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:25:48,888 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 10:25:48,889 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 337 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:25:48,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 312 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:25:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:25:48,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:25:48,890 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 10:25:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:25:48,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2022-09-16 10:25:48,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:25:48,891 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:25:48,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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 10:25:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:25:48,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:25:48,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:25:48,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:25:48,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:25:48,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:25:48,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:25:48,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:25:48,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:25:48,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:25:48,898 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:25:48,901 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:25:48,901 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:25:48,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:25:48 BasicIcfg [2022-09-16 10:25:48,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:25:48,905 INFO L158 Benchmark]: Toolchain (without parser) took 62424.90ms. Allocated memory was 213.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 158.0MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-09-16 10:25:48,905 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory was 175.7MB in the beginning and 175.5MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:25:48,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.50ms. Allocated memory is still 213.9MB. Free memory was 157.9MB in the beginning and 173.6MB in the end (delta: -15.8MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-09-16 10:25:48,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.99ms. Allocated memory is still 213.9MB. Free memory was 173.6MB in the beginning and 170.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:25:48,906 INFO L158 Benchmark]: Boogie Preprocessor took 37.04ms. Allocated memory is still 213.9MB. Free memory was 170.5MB in the beginning and 167.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:25:48,906 INFO L158 Benchmark]: RCFGBuilder took 981.18ms. Allocated memory was 213.9MB in the beginning and 297.8MB in the end (delta: 83.9MB). Free memory was 167.9MB in the beginning and 187.0MB in the end (delta: -19.1MB). Peak memory consumption was 65.7MB. Max. memory is 8.0GB. [2022-09-16 10:25:48,906 INFO L158 Benchmark]: TraceAbstraction took 60930.36ms. Allocated memory was 297.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 186.0MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-09-16 10:25:48,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 213.9MB. Free memory was 175.7MB in the beginning and 175.5MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.50ms. Allocated memory is still 213.9MB. Free memory was 157.9MB in the beginning and 173.6MB in the end (delta: -15.8MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.99ms. Allocated memory is still 213.9MB. Free memory was 173.6MB in the beginning and 170.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.04ms. Allocated memory is still 213.9MB. Free memory was 170.5MB in the beginning and 167.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 981.18ms. Allocated memory was 213.9MB in the beginning and 297.8MB in the end (delta: 83.9MB). Free memory was 167.9MB in the beginning and 187.0MB in the end (delta: -19.1MB). Peak memory consumption was 65.7MB. Max. memory is 8.0GB. * TraceAbstraction took 60930.36ms. Allocated memory was 297.8MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 186.0MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 2.8GB. 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: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 847]: 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, 181 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 60.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 958 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 958 mSDsluCounter, 1414 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 872 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 624 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267734occurred 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: 33.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 907 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 10:25:48,933 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...