/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loop-acceleration/nested_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 05:05:10,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 05:05:10,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 05:05:10,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-05 05:05:10,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 05:05:10,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 05:05:10,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 05:05:10,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 05:05:10,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 05:05:10,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 05:05:10,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 05:05:10,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 05:05:10,886 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 05:05:10,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 05:05:10,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 05:05:10,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 05:05:10,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 05:05:10,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 05:05:10,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-05 05:05:10,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 05:05:10,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 05:05:10,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-05 05:05:10,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-05 05:05:10,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-05 05:05:10,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-05 05:05:10,924 INFO L138 SettingsManager]: * Use SBE=true [2022-04-05 05:05:10,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 05:05:10,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 05:05:10,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 05:05:10,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 05:05:10,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 05:05:10,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 05:05:10,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 05:05:10,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-05 05:05:10,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-05 05:05:10,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 05:05:10,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-05 05:05:10,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-05 05:05:10,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-05 05:05:10,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-05 05:05:10,929 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 05:05:10,929 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 05:05:11,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 05:05:11,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 05:05:11,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 05:05:11,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 05:05:11,147 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 05:05:11,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/nested_1-2.c [2022-04-05 05:05:11,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9ecf1169/b80ca7f306f143d38491d6079c01bc7b/FLAGd3bc67f32 [2022-04-05 05:05:11,548 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 05:05:11,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_1-2.c [2022-04-05 05:05:11,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9ecf1169/b80ca7f306f143d38491d6079c01bc7b/FLAGd3bc67f32 [2022-04-05 05:05:11,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9ecf1169/b80ca7f306f143d38491d6079c01bc7b [2022-04-05 05:05:11,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 05:05:11,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 05:05:11,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 05:05:11,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 05:05:11,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 05:05:11,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a922da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11, skipping insertion in model container [2022-04-05 05:05:11,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 05:05:11,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 05:05:11,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_1-2.c[322,335] [2022-04-05 05:05:11,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 05:05:11,726 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 05:05:11,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_1-2.c[322,335] [2022-04-05 05:05:11,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 05:05:11,746 INFO L208 MainTranslator]: Completed translation [2022-04-05 05:05:11,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11 WrapperNode [2022-04-05 05:05:11,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 05:05:11,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 05:05:11,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 05:05:11,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 05:05:11,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 05:05:11,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 05:05:11,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 05:05:11,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 05:05:11,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 05:05:11,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:11,800 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) [2022-04-05 05:05:11,818 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 [2022-04-05 05:05:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 05:05:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 05:05:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 05:05:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-05 05:05:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 05:05:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 05:05:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 05:05:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 05:05:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 05:05:11,878 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 05:05:11,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 05:05:11,965 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 05:05:11,970 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 05:05:11,970 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-05 05:05:11,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:05:11 BoogieIcfgContainer [2022-04-05 05:05:11,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 05:05:11,978 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 05:05:11,978 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 05:05:11,979 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 05:05:11,992 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:05:11" (1/1) ... [2022-04-05 05:05:11,994 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-05 05:05:12,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 05:05:12 BasicIcfg [2022-04-05 05:05:12,002 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 05:05:12,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 05:05:12,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 05:05:12,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 05:05:12,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:05:11" (1/4) ... [2022-04-05 05:05:12,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455d8a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:05:12, skipping insertion in model container [2022-04-05 05:05:12,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:05:11" (2/4) ... [2022-04-05 05:05:12,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455d8a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:05:12, skipping insertion in model container [2022-04-05 05:05:12,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:05:11" (3/4) ... [2022-04-05 05:05:12,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455d8a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:05:12, skipping insertion in model container [2022-04-05 05:05:12,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 05:05:12" (4/4) ... [2022-04-05 05:05:12,033 INFO L111 eAbstractionObserver]: Analyzing ICFG nested_1-2.cqvasr [2022-04-05 05:05:12,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-05 05:05:12,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 05:05:12,083 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 05:05:12,096 INFO L340 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 [2022-04-05 05:05:12,096 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 05:05:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-05 05:05:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-05 05:05:12,109 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:12,109 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:12,110 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:12,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:12,113 INFO L85 PathProgramCache]: Analyzing trace with hash -962721461, now seen corresponding path program 1 times [2022-04-05 05:05:12,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:12,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306650704] [2022-04-05 05:05:12,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:12,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:12,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:12,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306650704] [2022-04-05 05:05:12,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306650704] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 05:05:12,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 05:05:12,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-05 05:05:12,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056688054] [2022-04-05 05:05:12,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 05:05:12,287 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-05 05:05:12,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:12,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-05 05:05:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-05 05:05:12,309 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:12,346 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2022-04-05 05:05:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-05 05:05:12,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-05 05:05:12,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:12,355 INFO L225 Difference]: With dead ends: 34 [2022-04-05 05:05:12,355 INFO L226 Difference]: Without dead ends: 14 [2022-04-05 05:05:12,357 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-05 05:05:12,361 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:12,362 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 05:05:12,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-04-05 05:05:12,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-04-05 05:05:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-04-05 05:05:12,388 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-04-05 05:05:12,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:12,389 INFO L478 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-04-05 05:05:12,389 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-04-05 05:05:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-05 05:05:12,390 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:12,390 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:12,391 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 05:05:12,391 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:12,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:12,393 INFO L85 PathProgramCache]: Analyzing trace with hash -961797940, now seen corresponding path program 1 times [2022-04-05 05:05:12,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:12,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69113442] [2022-04-05 05:05:12,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:12,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:12,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:12,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69113442] [2022-04-05 05:05:12,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69113442] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 05:05:12,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 05:05:12,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 05:05:12,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387272620] [2022-04-05 05:05:12,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 05:05:12,479 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 05:05:12,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:12,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 05:05:12,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 05:05:12,482 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:12,519 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-04-05 05:05:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 05:05:12,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-05 05:05:12,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:12,520 INFO L225 Difference]: With dead ends: 22 [2022-04-05 05:05:12,520 INFO L226 Difference]: Without dead ends: 17 [2022-04-05 05:05:12,520 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 05:05:12,521 INFO L913 BasicCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:12,521 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 20 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 05:05:12,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-04-05 05:05:12,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-04-05 05:05:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-04-05 05:05:12,530 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2022-04-05 05:05:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:12,535 INFO L478 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-04-05 05:05:12,535 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-04-05 05:05:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-05 05:05:12,536 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:12,536 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:12,536 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 05:05:12,536 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:12,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:12,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1952633576, now seen corresponding path program 1 times [2022-04-05 05:05:12,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:12,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055529793] [2022-04-05 05:05:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:12,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:12,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:12,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055529793] [2022-04-05 05:05:12,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055529793] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 05:05:12,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 05:05:12,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 05:05:12,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577463824] [2022-04-05 05:05:12,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 05:05:12,588 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 05:05:12,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:12,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 05:05:12,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 05:05:12,590 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:12,621 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-04-05 05:05:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-05 05:05:12,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-05 05:05:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:12,622 INFO L225 Difference]: With dead ends: 24 [2022-04-05 05:05:12,622 INFO L226 Difference]: Without dead ends: 16 [2022-04-05 05:05:12,623 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 05:05:12,627 INFO L913 BasicCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:12,629 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 05:05:12,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-04-05 05:05:12,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-04-05 05:05:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-04-05 05:05:12,635 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2022-04-05 05:05:12,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:12,635 INFO L478 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-04-05 05:05:12,635 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-04-05 05:05:12,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-05 05:05:12,636 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:12,636 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:12,636 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-05 05:05:12,636 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:12,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1982267804, now seen corresponding path program 1 times [2022-04-05 05:05:12,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:12,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895632383] [2022-04-05 05:05:12,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:12,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:12,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:12,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895632383] [2022-04-05 05:05:12,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895632383] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:12,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573289484] [2022-04-05 05:05:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:12,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:12,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:12,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:12,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-05 05:05:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:12,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-05 05:05:12,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:12,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:12,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573289484] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:12,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:12,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-04-05 05:05:12,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495920699] [2022-04-05 05:05:12,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:12,859 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-05 05:05:12,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:12,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-05 05:05:12,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-04-05 05:05:12,860 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:12,923 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2022-04-05 05:05:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-05 05:05:12,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-05 05:05:12,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:12,924 INFO L225 Difference]: With dead ends: 28 [2022-04-05 05:05:12,924 INFO L226 Difference]: Without dead ends: 19 [2022-04-05 05:05:12,925 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-04-05 05:05:12,925 INFO L913 BasicCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:12,926 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-05 05:05:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-04-05 05:05:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-04-05 05:05:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2022-04-05 05:05:12,929 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2022-04-05 05:05:12,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:12,930 INFO L478 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2022-04-05 05:05:12,930 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-04-05 05:05:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-05 05:05:12,930 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:12,930 INFO L499 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:12,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-05 05:05:13,150 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:13,150 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:13,151 INFO L85 PathProgramCache]: Analyzing trace with hash 615325720, now seen corresponding path program 2 times [2022-04-05 05:05:13,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:13,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611156206] [2022-04-05 05:05:13,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:13,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:05:13,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:13,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611156206] [2022-04-05 05:05:13,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611156206] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:13,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240756453] [2022-04-05 05:05:13,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-05 05:05:13,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:13,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:13,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:13,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-05 05:05:13,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-05 05:05:13,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 05:05:13,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-05 05:05:13,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 05:05:13,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 05:05:13,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240756453] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:13,478 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:13,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2022-04-05 05:05:13,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24984232] [2022-04-05 05:05:13,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:13,479 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-05 05:05:13,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:13,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-05 05:05:13,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2022-04-05 05:05:13,480 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 16 states, 16 states have (on average 1.9375) internal successors, (31), 15 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:13,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:13,978 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2022-04-05 05:05:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-04-05 05:05:13,979 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 15 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-04-05 05:05:13,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:13,979 INFO L225 Difference]: With dead ends: 56 [2022-04-05 05:05:13,979 INFO L226 Difference]: Without dead ends: 44 [2022-04-05 05:05:13,980 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=392, Invalid=1248, Unknown=0, NotChecked=0, Total=1640 [2022-04-05 05:05:13,981 INFO L913 BasicCegarLoop]: 13 mSDtfsCounter, 42 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:13,981 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 50 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 05:05:13,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-05 05:05:13,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-04-05 05:05:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2022-04-05 05:05:13,989 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 18 [2022-04-05 05:05:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:13,990 INFO L478 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2022-04-05 05:05:13,990 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 15 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-05 05:05:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-05 05:05:13,990 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:13,991 INFO L499 BasicCegarLoop]: trace histogram [20, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:14,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-05 05:05:14,207 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:14,209 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:14,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2009643820, now seen corresponding path program 3 times [2022-04-05 05:05:14,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:14,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928406410] [2022-04-05 05:05:14,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:14,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 112 proven. 15 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-04-05 05:05:14,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:14,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928406410] [2022-04-05 05:05:14,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928406410] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:14,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067517111] [2022-04-05 05:05:14,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-05 05:05:14,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:14,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:14,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-05 05:05:14,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-04-05 05:05:14,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 05:05:14,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-05 05:05:14,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 115 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-04-05 05:05:14,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 115 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-04-05 05:05:14,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067517111] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:14,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:14,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-04-05 05:05:14,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887332738] [2022-04-05 05:05:14,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:14,606 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-05 05:05:14,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:14,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-05 05:05:14,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-04-05 05:05:14,608 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 16 states, 16 states have (on average 2.0) internal successors, (32), 15 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:14,849 INFO L93 Difference]: Finished difference Result 95 states and 122 transitions. [2022-04-05 05:05:14,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-05 05:05:14,850 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 15 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-04-05 05:05:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:14,852 INFO L225 Difference]: With dead ends: 95 [2022-04-05 05:05:14,852 INFO L226 Difference]: Without dead ends: 64 [2022-04-05 05:05:14,853 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-04-05 05:05:14,854 INFO L913 BasicCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:14,856 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 56 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 05:05:14,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-05 05:05:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-04-05 05:05:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 59 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-04-05 05:05:14,876 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 43 [2022-04-05 05:05:14,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:14,876 INFO L478 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-04-05 05:05:14,877 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.0) internal successors, (32), 15 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-05 05:05:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-05 05:05:14,879 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:14,879 INFO L499 BasicCegarLoop]: trace histogram [40, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:14,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-05 05:05:15,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:15,083 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:15,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:15,084 INFO L85 PathProgramCache]: Analyzing trace with hash 323868620, now seen corresponding path program 4 times [2022-04-05 05:05:15,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:15,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428777714] [2022-04-05 05:05:15,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-04-05 05:05:15,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:15,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428777714] [2022-04-05 05:05:15,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428777714] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:15,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167583948] [2022-04-05 05:05:15,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-05 05:05:15,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:15,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:15,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:15,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-05 05:05:15,273 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-05 05:05:15,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 05:05:15,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-05 05:05:15,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-04-05 05:05:15,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-04-05 05:05:15,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167583948] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:15,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:15,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 13 [2022-04-05 05:05:15,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154776743] [2022-04-05 05:05:15,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:15,620 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-05 05:05:15,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:15,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-05 05:05:15,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-04-05 05:05:15,620 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 11 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:15,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:15,821 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2022-04-05 05:05:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-05 05:05:15,823 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 11 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-04-05 05:05:15,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:15,824 INFO L225 Difference]: With dead ends: 110 [2022-04-05 05:05:15,824 INFO L226 Difference]: Without dead ends: 102 [2022-04-05 05:05:15,824 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2022-04-05 05:05:15,825 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 47 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:15,825 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 48 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 05:05:15,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-04-05 05:05:15,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 77. [2022-04-05 05:05:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 72 states have (on average 1.0833333333333333) internal successors, (78), 72 states have internal predecessors, (78), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:15,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2022-04-05 05:05:15,842 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 63 [2022-04-05 05:05:15,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:15,842 INFO L478 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2022-04-05 05:05:15,842 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 11 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2022-04-05 05:05:15,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-04-05 05:05:15,843 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:15,843 INFO L499 BasicCegarLoop]: trace histogram [50, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:15,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-05 05:05:16,059 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:16,060 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:16,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:16,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1344529816, now seen corresponding path program 5 times [2022-04-05 05:05:16,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:16,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20488848] [2022-04-05 05:05:16,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:16,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-04-05 05:05:16,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:16,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20488848] [2022-04-05 05:05:16,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20488848] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:16,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847610940] [2022-04-05 05:05:16,220 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-04-05 05:05:16,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:16,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:16,221 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:16,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-05 05:05:17,052 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2022-04-05 05:05:17,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 05:05:17,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-05 05:05:17,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-04-05 05:05:17,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-04-05 05:05:17,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847610940] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:17,484 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:17,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-04-05 05:05:17,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997029212] [2022-04-05 05:05:17,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:17,485 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-05 05:05:17,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:17,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-05 05:05:17,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-04-05 05:05:17,488 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:18,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:18,282 INFO L93 Difference]: Finished difference Result 186 states and 202 transitions. [2022-04-05 05:05:18,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-05 05:05:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-04-05 05:05:18,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:18,283 INFO L225 Difference]: With dead ends: 186 [2022-04-05 05:05:18,283 INFO L226 Difference]: Without dead ends: 181 [2022-04-05 05:05:18,284 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=233, Invalid=523, Unknown=0, NotChecked=0, Total=756 [2022-04-05 05:05:18,284 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 99 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:18,285 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 55 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-05 05:05:18,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-04-05 05:05:18,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2022-04-05 05:05:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 176 states have (on average 1.0795454545454546) internal successors, (190), 176 states have internal predecessors, (190), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 194 transitions. [2022-04-05 05:05:18,309 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 194 transitions. Word has length 76 [2022-04-05 05:05:18,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:18,309 INFO L478 AbstractCegarLoop]: Abstraction has 181 states and 194 transitions. [2022-04-05 05:05:18,309 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 194 transitions. [2022-04-05 05:05:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-04-05 05:05:18,311 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:18,311 INFO L499 BasicCegarLoop]: trace histogram [130, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:18,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-05 05:05:18,520 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:18,520 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:18,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash -307513448, now seen corresponding path program 6 times [2022-04-05 05:05:18,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:18,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160161048] [2022-04-05 05:05:18,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:18,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 10322 backedges. 0 proven. 9607 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-04-05 05:05:18,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:18,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160161048] [2022-04-05 05:05:18,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160161048] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:18,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347012665] [2022-04-05 05:05:18,842 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-05 05:05:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:18,843 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:18,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-05 05:05:24,837 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 55 check-sat command(s) [2022-04-05 05:05:24,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 05:05:24,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 29 conjunts are in the unsatisfiable core [2022-04-05 05:05:24,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10322 backedges. 0 proven. 9607 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-04-05 05:05:25,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:26,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10322 backedges. 0 proven. 9607 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-04-05 05:05:26,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347012665] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:26,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:26,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 32 [2022-04-05 05:05:26,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594752817] [2022-04-05 05:05:26,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:26,028 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-04-05 05:05:26,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:26,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-04-05 05:05:26,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=707, Unknown=0, NotChecked=0, Total=992 [2022-04-05 05:05:26,029 INFO L87 Difference]: Start difference. First operand 181 states and 194 transitions. Second operand has 32 states, 32 states have (on average 3.625) internal successors, (116), 31 states have internal predecessors, (116), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:05:39,215 INFO L93 Difference]: Finished difference Result 394 states and 430 transitions. [2022-04-05 05:05:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-04-05 05:05:39,216 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.625) internal successors, (116), 31 states have internal predecessors, (116), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 180 [2022-04-05 05:05:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:05:39,218 INFO L225 Difference]: With dead ends: 394 [2022-04-05 05:05:39,218 INFO L226 Difference]: Without dead ends: 389 [2022-04-05 05:05:39,219 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=985, Invalid=2555, Unknown=0, NotChecked=0, Total=3540 [2022-04-05 05:05:39,220 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 219 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-05 05:05:39,220 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 111 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-05 05:05:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-04-05 05:05:39,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2022-04-05 05:05:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 384 states have (on average 1.078125) internal successors, (414), 384 states have internal predecessors, (414), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:39,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 418 transitions. [2022-04-05 05:05:39,262 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 418 transitions. Word has length 180 [2022-04-05 05:05:39,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:05:39,262 INFO L478 AbstractCegarLoop]: Abstraction has 389 states and 418 transitions. [2022-04-05 05:05:39,263 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.625) internal successors, (116), 31 states have internal predecessors, (116), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:05:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 418 transitions. [2022-04-05 05:05:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-04-05 05:05:39,270 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:05:39,270 INFO L499 BasicCegarLoop]: trace histogram [290, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:05:39,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-05 05:05:39,499 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:39,499 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:05:39,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:05:39,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1260561512, now seen corresponding path program 7 times [2022-04-05 05:05:39,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:05:39,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263441641] [2022-04-05 05:05:39,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:05:39,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:05:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:05:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 51562 backedges. 0 proven. 49967 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-04-05 05:05:40,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:05:40,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263441641] [2022-04-05 05:05:40,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263441641] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:05:40,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744844133] [2022-04-05 05:05:40,377 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-04-05 05:05:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:05:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:05:40,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:05:40,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-05 05:05:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:05:40,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 61 conjunts are in the unsatisfiable core [2022-04-05 05:05:40,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:05:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 51562 backedges. 0 proven. 49967 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-04-05 05:05:42,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:05:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 51562 backedges. 0 proven. 49967 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2022-04-05 05:05:44,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744844133] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:05:44,088 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:05:44,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 64 [2022-04-05 05:05:44,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957253683] [2022-04-05 05:05:44,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:05:44,091 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-04-05 05:05:44,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:05:44,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-04-05 05:05:44,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=2947, Unknown=0, NotChecked=0, Total=4032 [2022-04-05 05:05:44,093 INFO L87 Difference]: Start difference. First operand 389 states and 418 transitions. Second operand has 64 states, 64 states have (on average 3.8125) internal successors, (244), 63 states have internal predecessors, (244), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:06:05,650 WARN L232 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 128 DAG size of output: 16 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-05 05:06:23,097 WARN L232 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 124 DAG size of output: 16 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-05 05:11:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:11:46,500 INFO L93 Difference]: Finished difference Result 810 states and 886 transitions. [2022-04-05 05:11:46,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-05 05:11:46,501 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 3.8125) internal successors, (244), 63 states have internal predecessors, (244), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 388 [2022-04-05 05:11:46,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:11:46,505 INFO L225 Difference]: With dead ends: 810 [2022-04-05 05:11:46,505 INFO L226 Difference]: Without dead ends: 805 [2022-04-05 05:11:46,509 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 747 SyntacticMatches, 1 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1885 ImplicationChecksByTransitivity, 362.4s TimeCoverageRelationStatistics Valid=4013, Invalid=11224, Unknown=15, NotChecked=0, Total=15252 [2022-04-05 05:11:46,509 INFO L913 BasicCegarLoop]: 71 mSDtfsCounter, 369 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 3857 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 3951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-05 05:11:46,510 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 228 Invalid, 3951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3857 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-05 05:11:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2022-04-05 05:11:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2022-04-05 05:11:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 800 states have (on average 1.0775) internal successors, (862), 800 states have internal predecessors, (862), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:11:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 866 transitions. [2022-04-05 05:11:46,603 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 866 transitions. Word has length 388 [2022-04-05 05:11:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:11:46,604 INFO L478 AbstractCegarLoop]: Abstraction has 805 states and 866 transitions. [2022-04-05 05:11:46,604 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 3.8125) internal successors, (244), 63 states have internal predecessors, (244), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:11:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 866 transitions. [2022-04-05 05:11:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2022-04-05 05:11:46,619 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:11:46,620 INFO L499 BasicCegarLoop]: trace histogram [610, 61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-05 05:11:46,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-05 05:11:46,834 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:11:46,834 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:11:46,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:11:46,835 INFO L85 PathProgramCache]: Analyzing trace with hash 734569368, now seen corresponding path program 8 times [2022-04-05 05:11:46,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:11:46,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702558644] [2022-04-05 05:11:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:11:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:11:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:11:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:11:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:11:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 228506 backedges. 0 proven. 225151 refuted. 0 times theorem prover too weak. 3355 trivial. 0 not checked. [2022-04-05 05:11:49,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:11:49,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702558644] [2022-04-05 05:11:49,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702558644] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-05 05:11:49,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688154207] [2022-04-05 05:11:49,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-05 05:11:49,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-05 05:11:49,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:11:49,357 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-05 05:11:49,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-05 05:11:51,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-05 05:11:51,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-05 05:11:51,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 125 conjunts are in the unsatisfiable core [2022-04-05 05:11:51,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-05 05:11:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 228506 backedges. 0 proven. 225151 refuted. 0 times theorem prover too weak. 3355 trivial. 0 not checked. [2022-04-05 05:11:53,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-05 05:12:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 228506 backedges. 0 proven. 225151 refuted. 0 times theorem prover too weak. 3355 trivial. 0 not checked. [2022-04-05 05:12:00,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688154207] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-05 05:12:00,476 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-05 05:12:00,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 64, 64] total 128 [2022-04-05 05:12:00,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733349075] [2022-04-05 05:12:00,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-05 05:12:00,478 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2022-04-05 05:12:00,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:12:00,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2022-04-05 05:12:00,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4221, Invalid=12035, Unknown=0, NotChecked=0, Total=16256 [2022-04-05 05:12:00,482 INFO L87 Difference]: Start difference. First operand 805 states and 866 transitions. Second operand has 128 states, 128 states have (on average 3.90625) internal successors, (500), 127 states have internal predecessors, (500), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-05 05:12:08,987 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.base| |c_old(#NULL.base)|) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 59 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 60 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 61) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:12:11,055 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 59 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 60 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 61) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:12:13,077 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 59 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 60 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:12:15,088 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 59 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 60 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:12:17,128 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 59 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:12:19,141 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 59 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:12:21,171 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 58 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 57 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:14:13,169 WARN L232 SmtUtils]: Spent 29.90s on a formula simplification. DAG size of input: 236 DAG size of output: 12 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-05 05:15:54,055 WARN L232 SmtUtils]: Spent 24.69s on a formula simplification. DAG size of input: 242 DAG size of output: 18 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-05 05:17:37,164 WARN L232 SmtUtils]: Spent 19.35s on a formula simplification. DAG size of input: 240 DAG size of output: 16 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-05 05:17:39,189 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.base| |c_old(#NULL.base)|) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:17:41,200 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 56 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:17:43,218 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:19:16,991 WARN L232 SmtUtils]: Spent 12.59s on a formula simplification. DAG size of input: 224 DAG size of output: 12 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-04-05 05:19:19,013 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.base| |c_old(#NULL.base)|) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 55 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:19:21,049 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:19:23,065 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.base| |c_old(#NULL.base)|) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod c_main_~x~0 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false [2022-04-05 05:19:25,083 WARN L833 $PredicateComparison]: unable to prove that (and (< (mod (+ c_main_~x~0 24) 4294967296) 268435455) (< (mod (+ 20 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 6 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 54) 4294967296) 268435455) (< (mod (+ 25 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 43 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 14 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 29 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 52 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 48 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 27) 4294967296) 268435455) (< (mod (+ 47 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 38 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 13 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 4 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 34 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 41 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 3 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 53 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 15 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 49 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 30 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 18 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 40 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 28 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 32 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 35 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 9 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 37) 4294967296) 268435455) (< (mod (+ 42 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 2 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 5 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 44 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 33 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 16 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 39 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 7 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 19 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 8 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 26 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 50) 4294967296) 268435455) (< (mod (+ 17 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 23 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 46 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 10 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 11) 4294967296) 268435455) (< (mod (+ 31 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 12 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 21 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 36 c_main_~x~0) 4294967296) 268435455) (< (mod (+ c_main_~x~0 1) 4294967296) 268435455) (< (mod (+ 45 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 51 c_main_~x~0) 4294967296) 268435455) (< (mod (+ 22 c_main_~x~0) 4294967296) 268435455)) is different from false