/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/mix045_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:30:44,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:30:44,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:30:44,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:30:44,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:30:44,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:30:44,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:30:44,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:30:44,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:30:44,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:30:44,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:30:44,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:30:44,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:30:44,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:30:44,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:30:44,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:30:45,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:30:45,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:30:45,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:30:45,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:30:45,018 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 10:30:45,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:30:45,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:30:45,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:30:45,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:30:45,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:30:45,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:30:45,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:30:45,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:30:45,057 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:30:45,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:30:45,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:30:45,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:30:45,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:30:45,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:30:45,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:30:45,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:30:45,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:30:45,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:30:45,061 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:30:45,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:30:45,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:30:45,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:30:45,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:30:45,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:30:45,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:30:45,354 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:30:45,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:30:45,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077190ef0/7fdb93e75f604ef997179bb21cd876a6/FLAG9abbb5b72 [2022-09-16 10:30:45,937 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:30:45,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:30:45,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077190ef0/7fdb93e75f604ef997179bb21cd876a6/FLAG9abbb5b72 [2022-09-16 10:30:46,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077190ef0/7fdb93e75f604ef997179bb21cd876a6 [2022-09-16 10:30:46,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:30:46,255 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:30:46,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:30:46,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:30:46,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:30:46,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4ed2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46, skipping insertion in model container [2022-09-16 10:30:46,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:30:46,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:30:46,535 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/mix045_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-09-16 10:30:46,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:30:46,746 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:30:46,759 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/mix045_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-09-16 10:30:46,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:30:46,834 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:30:46,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46 WrapperNode [2022-09-16 10:30:46,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:30:46,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:30:46,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:30:46,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:30:46,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,894 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2022-09-16 10:30:46,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:30:46,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:30:46,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:30:46,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:30:46,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:30:46,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:30:46,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:30:46,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:30:46,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (1/1) ... [2022-09-16 10:30:46,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:30:46,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:30:46,959 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 10:30:46,961 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 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:30:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:30:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:30:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:30:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:30:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:30:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:30:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:30:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:30:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:30:46,997 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 10:30:47,204 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:30:47,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:30:47,785 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:30:48,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:30:48,167 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:30:48,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:30:48 BoogieIcfgContainer [2022-09-16 10:30:48,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:30:48,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:30:48,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:30:48,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:30:48,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:30:46" (1/3) ... [2022-09-16 10:30:48,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5080613d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:30:48, skipping insertion in model container [2022-09-16 10:30:48,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:30:46" (2/3) ... [2022-09-16 10:30:48,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5080613d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:30:48, skipping insertion in model container [2022-09-16 10:30:48,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:30:48" (3/3) ... [2022-09-16 10:30:48,177 INFO L112 eAbstractionObserver]: Analyzing ICFG mix045_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:30:48,185 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:30:48,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:30:48,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:30:48,194 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:30:48,270 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:30:48,315 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 122 transitions, 259 flow [2022-09-16 10:30:49,665 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37177 states, 37151 states have (on average 3.7205458803262363) internal successors, (138222), 37176 states have internal predecessors, (138222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:49,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:30:49,696 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;@747ce3d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:30:49,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:30:49,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 37177 states, 37151 states have (on average 3.7205458803262363) internal successors, (138222), 37176 states have internal predecessors, (138222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:30:49,784 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:49,785 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] [2022-09-16 10:30:49,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:30:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:49,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1784905517, now seen corresponding path program 1 times [2022-09-16 10:30:49,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:49,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000374934] [2022-09-16 10:30:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:30:50,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:50,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000374934] [2022-09-16 10:30:50,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000374934] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:50,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:50,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:30:50,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460662187] [2022-09-16 10:30:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:50,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:30:50,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:50,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:30:50,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:30:50,250 INFO L87 Difference]: Start difference. First operand has 37177 states, 37151 states have (on average 3.7205458803262363) internal successors, (138222), 37176 states have internal predecessors, (138222), 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 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:50,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:50,975 INFO L93 Difference]: Finished difference Result 27842 states and 99338 transitions. [2022-09-16 10:30:50,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:30:50,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-09-16 10:30:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:51,372 INFO L225 Difference]: With dead ends: 27842 [2022-09-16 10:30:51,372 INFO L226 Difference]: Without dead ends: 27842 [2022-09-16 10:30:51,373 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 10:30:51,379 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 53 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:51,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 162 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:51,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27842 states. [2022-09-16 10:30:52,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27842 to 27842. [2022-09-16 10:30:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27842 states, 27788 states have (on average 3.5748524542968187) internal successors, (99338), 27841 states have internal predecessors, (99338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27842 states to 27842 states and 99338 transitions. [2022-09-16 10:30:53,301 INFO L78 Accepts]: Start accepts. Automaton has 27842 states and 99338 transitions. Word has length 49 [2022-09-16 10:30:53,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:53,302 INFO L495 AbstractCegarLoop]: Abstraction has 27842 states and 99338 transitions. [2022-09-16 10:30:53,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 27842 states and 99338 transitions. [2022-09-16 10:30:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:30:53,312 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:53,312 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] [2022-09-16 10:30:53,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:30:53,313 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:30:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:53,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1452448209, now seen corresponding path program 1 times [2022-09-16 10:30:53,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:53,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184879684] [2022-09-16 10:30:53,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:30:53,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:53,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184879684] [2022-09-16 10:30:53,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184879684] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:53,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:53,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:30:53,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270962491] [2022-09-16 10:30:53,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:53,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:30:53,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:53,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:30:53,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:53,488 INFO L87 Difference]: Start difference. First operand 27842 states and 99338 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:54,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:54,141 INFO L93 Difference]: Finished difference Result 24740 states and 87028 transitions. [2022-09-16 10:30:54,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:30:54,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-09-16 10:30:54,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:54,323 INFO L225 Difference]: With dead ends: 24740 [2022-09-16 10:30:54,323 INFO L226 Difference]: Without dead ends: 24740 [2022-09-16 10:30:54,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:54,325 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 149 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:54,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 218 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:54,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24740 states. [2022-09-16 10:30:55,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24740 to 23930. [2022-09-16 10:30:55,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23930 states, 23903 states have (on average 3.562941890139313) internal successors, (85165), 23929 states have internal predecessors, (85165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:55,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23930 states to 23930 states and 85165 transitions. [2022-09-16 10:30:55,700 INFO L78 Accepts]: Start accepts. Automaton has 23930 states and 85165 transitions. Word has length 61 [2022-09-16 10:30:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:55,705 INFO L495 AbstractCegarLoop]: Abstraction has 23930 states and 85165 transitions. [2022-09-16 10:30:55,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 23930 states and 85165 transitions. [2022-09-16 10:30:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:30:55,707 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:55,707 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] [2022-09-16 10:30:55,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:30:55,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:30:55,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:55,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1452448210, now seen corresponding path program 1 times [2022-09-16 10:30:55,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:55,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135300088] [2022-09-16 10:30:55,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:55,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:30:55,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:55,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135300088] [2022-09-16 10:30:55,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135300088] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:55,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:55,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:30:55,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429079986] [2022-09-16 10:30:55,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:55,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:30:55,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:55,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:30:55,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:55,789 INFO L87 Difference]: Start difference. First operand 23930 states and 85165 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:56,027 INFO L93 Difference]: Finished difference Result 19748 states and 70281 transitions. [2022-09-16 10:30:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:30:56,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-09-16 10:30:56,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:56,322 INFO L225 Difference]: With dead ends: 19748 [2022-09-16 10:30:56,323 INFO L226 Difference]: Without dead ends: 19748 [2022-09-16 10:30:56,324 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 10:30:56,325 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 108 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:56,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 297 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19748 states. [2022-09-16 10:30:57,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19748 to 19748. [2022-09-16 10:30:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19748 states, 19739 states have (on average 3.5605147170576017) internal successors, (70281), 19747 states have internal predecessors, (70281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19748 states to 19748 states and 70281 transitions. [2022-09-16 10:30:57,123 INFO L78 Accepts]: Start accepts. Automaton has 19748 states and 70281 transitions. Word has length 61 [2022-09-16 10:30:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:57,124 INFO L495 AbstractCegarLoop]: Abstraction has 19748 states and 70281 transitions. [2022-09-16 10:30:57,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 19748 states and 70281 transitions. [2022-09-16 10:30:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:30:57,144 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:57,144 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] [2022-09-16 10:30:57,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:30:57,144 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:30:57,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:57,145 INFO L85 PathProgramCache]: Analyzing trace with hash 746159238, now seen corresponding path program 1 times [2022-09-16 10:30:57,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:57,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672119186] [2022-09-16 10:30:57,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:57,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:30:57,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:57,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672119186] [2022-09-16 10:30:57,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672119186] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:57,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:57,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:30:57,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148330328] [2022-09-16 10:30:57,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:57,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:30:57,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:57,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:30:57,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:30:57,270 INFO L87 Difference]: Start difference. First operand 19748 states and 70281 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:57,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:57,619 INFO L93 Difference]: Finished difference Result 18938 states and 67608 transitions. [2022-09-16 10:30:57,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:30:57,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 75 [2022-09-16 10:30:57,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:57,621 INFO L225 Difference]: With dead ends: 18938 [2022-09-16 10:30:57,621 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:30:57,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:30:57,622 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 259 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:57,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 215 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:30:57,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:30:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:30:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:30:57,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75 [2022-09-16 10:30:57,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:57,624 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:30:57,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:30:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:30:57,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:30:57,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:30:57,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:30:57,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:30:57,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:30:57,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:30:57,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:30:57,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:30:57,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:30:57,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:30:57,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:30:57,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:30:57,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:30:57,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:30:57,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:30:57,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:30:57,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:30:57,634 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:30:57,638 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:30:57,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:30:57,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:30:57 BasicIcfg [2022-09-16 10:30:57,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:30:57,641 INFO L158 Benchmark]: Toolchain (without parser) took 11386.25ms. Allocated memory was 173.0MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 113.8MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 562.6MB. Max. memory is 8.0GB. [2022-09-16 10:30:57,642 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 173.0MB. Free memory was 132.5MB in the beginning and 132.4MB in the end (delta: 76.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:30:57,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.05ms. Allocated memory is still 173.0MB. Free memory was 113.7MB in the beginning and 134.2MB in the end (delta: -20.5MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-09-16 10:30:57,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.76ms. Allocated memory is still 173.0MB. Free memory was 133.9MB in the beginning and 131.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:30:57,643 INFO L158 Benchmark]: Boogie Preprocessor took 32.00ms. Allocated memory is still 173.0MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:30:57,643 INFO L158 Benchmark]: RCFGBuilder took 1241.80ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 129.3MB in the beginning and 124.0MB in the end (delta: 5.3MB). Peak memory consumption was 48.0MB. Max. memory is 8.0GB. [2022-09-16 10:30:57,643 INFO L158 Benchmark]: TraceAbstraction took 9469.41ms. Allocated memory was 207.6MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 123.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 536.8MB. Max. memory is 8.0GB. [2022-09-16 10:30:57,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 173.0MB. Free memory was 132.5MB in the beginning and 132.4MB in the end (delta: 76.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 576.05ms. Allocated memory is still 173.0MB. Free memory was 113.7MB in the beginning and 134.2MB in the end (delta: -20.5MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.76ms. Allocated memory is still 173.0MB. Free memory was 133.9MB in the beginning and 131.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.00ms. Allocated memory is still 173.0MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1241.80ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 129.3MB in the beginning and 124.0MB in the end (delta: 5.3MB). Peak memory consumption was 48.0MB. Max. memory is 8.0GB. * TraceAbstraction took 9469.41ms. Allocated memory was 207.6MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 123.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 536.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 569 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 569 mSDsluCounter, 892 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 442 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37177occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:30:57,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...