/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/array-examples/standard_init1_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:27:33,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:27:33,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:27:33,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 09:27:33,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:27:33,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:27:33,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:27:33,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:27:33,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:27:33,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:27:33,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:27:33,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:27:33,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:27:33,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:27:33,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:27:33,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:27:33,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 09:27:33,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:27:33,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:27:33,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:27:33,682 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 09:27:33,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:27:33,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:27:33,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:27:33,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:27:33,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:27:33,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:27:33,713 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:27:33,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:27:33,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:27:33,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:27:33,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:27:33,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:27:33,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:27:33,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:27:33,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:27:33,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:27:33,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:27:33,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:27:33,717 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:27:33,717 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:27:33,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:27:33,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:27:33,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:27:33,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:27:33,930 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:27:33,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_init1_ground-2.i [2022-01-10 09:27:33,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9817eaf28/e0709fe3d32c474aaa4677b7b7030071/FLAG29fac3fd2 [2022-01-10 09:27:34,303 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:27:34,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_init1_ground-2.i [2022-01-10 09:27:34,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9817eaf28/e0709fe3d32c474aaa4677b7b7030071/FLAG29fac3fd2 [2022-01-10 09:27:34,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9817eaf28/e0709fe3d32c474aaa4677b7b7030071 [2022-01-10 09:27:34,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:27:34,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:27:34,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:27:34,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:27:34,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:27:34,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2398ec68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34, skipping insertion in model container [2022-01-10 09:27:34,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:27:34,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:27:34,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_init1_ground-2.i[816,829] [2022-01-10 09:27:34,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:27:34,485 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:27:34,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_init1_ground-2.i[816,829] [2022-01-10 09:27:34,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:27:34,504 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:27:34,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34 WrapperNode [2022-01-10 09:27:34,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:27:34,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:27:34,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:27:34,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:27:34,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,527 INFO L137 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2022-01-10 09:27:34,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:27:34,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:27:34,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:27:34,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:27:34,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:27:34,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:27:34,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:27:34,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:27:34,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:27:34,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:27:34,579 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) [2022-01-10 09:27:34,590 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 [2022-01-10 09:27:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:27:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:27:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 09:27:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 09:27:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:27:34,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:27:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 09:27:34,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 09:27:34,651 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:27:34,652 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:27:34,773 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:27:34,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:27:34,777 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 09:27:34,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:27:34 BoogieIcfgContainer [2022-01-10 09:27:34,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:27:34,779 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:27:34,779 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:27:34,792 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:27:34,794 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:27:34" (1/1) ... [2022-01-10 09:27:34,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:27:34 BasicIcfg [2022-01-10 09:27:34,894 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:27:34,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:27:34,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:27:34,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:27:34,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:27:34" (1/4) ... [2022-01-10 09:27:34,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21030b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:27:34, skipping insertion in model container [2022-01-10 09:27:34,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:27:34" (2/4) ... [2022-01-10 09:27:34,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21030b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:27:34, skipping insertion in model container [2022-01-10 09:27:34,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:27:34" (3/4) ... [2022-01-10 09:27:34,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21030b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:27:34, skipping insertion in model container [2022-01-10 09:27:34,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:27:34" (4/4) ... [2022-01-10 09:27:34,899 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_init1_ground-2.iTransformedIcfg [2022-01-10 09:27:34,903 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:27:34,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 09:27:34,947 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:27:34,954 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 09:27:34,954 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 09:27:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 09:27:34,968 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:27:34,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:27:34,969 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:27:34,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:27:34,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1741482575, now seen corresponding path program 1 times [2022-01-10 09:27:34,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:27:34,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589260813] [2022-01-10 09:27:34,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:34,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:27:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:27:35,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:27:35,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589260813] [2022-01-10 09:27:35,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589260813] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:27:35,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:27:35,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:27:35,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006009945] [2022-01-10 09:27:35,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:27:35,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:27:35,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:27:35,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:27:35,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:27:35,116 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:27:35,124 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-01-10 09:27:35,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:27:35,126 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-01-10 09:27:35,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:27:35,132 INFO L225 Difference]: With dead ends: 25 [2022-01-10 09:27:35,132 INFO L226 Difference]: Without dead ends: 10 [2022-01-10 09:27:35,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:27:35,139 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:27:35,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:27:35,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-01-10 09:27:35,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-01-10 09:27:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2022-01-10 09:27:35,159 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2022-01-10 09:27:35,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:27:35,159 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2022-01-10 09:27:35,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-01-10 09:27:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 09:27:35,160 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:27:35,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:27:35,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:27:35,160 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:27:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:27:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1740559054, now seen corresponding path program 1 times [2022-01-10 09:27:35,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:27:35,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415402123] [2022-01-10 09:27:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:35,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:27:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:27:35,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:27:35,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415402123] [2022-01-10 09:27:35,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415402123] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:27:35,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:27:35,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 09:27:35,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644096300] [2022-01-10 09:27:35,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:27:35,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 09:27:35,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:27:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 09:27:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 09:27:35,254 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:27:35,262 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-01-10 09:27:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 09:27:35,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-01-10 09:27:35,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:27:35,263 INFO L225 Difference]: With dead ends: 18 [2022-01-10 09:27:35,263 INFO L226 Difference]: Without dead ends: 11 [2022-01-10 09:27:35,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 09:27:35,268 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:27:35,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:27:35,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-01-10 09:27:35,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-01-10 09:27:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-01-10 09:27:35,271 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2022-01-10 09:27:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:27:35,271 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-01-10 09:27:35,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-01-10 09:27:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-01-10 09:27:35,272 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:27:35,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:27:35,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 09:27:35,272 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:27:35,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:27:35,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1903934951, now seen corresponding path program 1 times [2022-01-10 09:27:35,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:27:35,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620829475] [2022-01-10 09:27:35,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:35,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:27:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:27:35,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:27:35,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620829475] [2022-01-10 09:27:35,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620829475] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 09:27:35,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544818241] [2022-01-10 09:27:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:35,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:27:35,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:27:35,375 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) [2022-01-10 09:27:35,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 09:27:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:35,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 09:27:35,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:27:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:27:35,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:27:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:27:35,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544818241] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 09:27:35,652 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 09:27:35,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-01-10 09:27:35,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548950410] [2022-01-10 09:27:35,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 09:27:35,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 09:27:35,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:27:35,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 09:27:35,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 09:27:35,657 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:27:35,727 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2022-01-10 09:27:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 09:27:35,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-01-10 09:27:35,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:27:35,728 INFO L225 Difference]: With dead ends: 21 [2022-01-10 09:27:35,728 INFO L226 Difference]: Without dead ends: 14 [2022-01-10 09:27:35,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-10 09:27:35,729 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:27:35,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:27:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-01-10 09:27:35,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-01-10 09:27:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-01-10 09:27:35,732 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 8 [2022-01-10 09:27:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:27:35,733 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-01-10 09:27:35,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-01-10 09:27:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 09:27:35,733 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:27:35,733 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:27:35,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 09:27:35,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:27:35,934 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:27:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:27:35,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1522152050, now seen corresponding path program 2 times [2022-01-10 09:27:35,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:27:35,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579812866] [2022-01-10 09:27:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:35,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:27:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:27:36,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:27:36,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579812866] [2022-01-10 09:27:36,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579812866] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 09:27:36,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288138288] [2022-01-10 09:27:36,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 09:27:36,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:27:36,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:27:36,110 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) [2022-01-10 09:27:36,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 09:27:36,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 09:27:36,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 09:27:36,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2022-01-10 09:27:36,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:27:36,305 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-01-10 09:27:36,348 INFO L353 Elim1Store]: treesize reduction 55, result has 14.1 percent of original size [2022-01-10 09:27:36,351 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2022-01-10 09:27:36,408 INFO L353 Elim1Store]: treesize reduction 55, result has 14.1 percent of original size [2022-01-10 09:27:36,409 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2022-01-10 09:27:36,455 INFO L353 Elim1Store]: treesize reduction 55, result has 14.1 percent of original size [2022-01-10 09:27:36,455 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2022-01-10 09:27:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-10 09:27:36,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:27:37,827 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int)) (= 42 (select (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616)))) is different from false [2022-01-10 09:27:39,867 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| Int)) (= 42 (select (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 2147483648) 2) 18446744056529682432)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616)))) is different from false [2022-01-10 09:27:42,022 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_12| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| Int)) (= 42 (select (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_12| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_12| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 2147483648) 2) 18446744056529682432)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616)))) is different from false [2022-01-10 09:27:42,039 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 83 [2022-01-10 09:27:42,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2022-01-10 09:27:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2022-01-10 09:27:45,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288138288] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 09:27:45,013 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 09:27:45,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 17 [2022-01-10 09:27:45,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123846251] [2022-01-10 09:27:45,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 09:27:45,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-10 09:27:45,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:27:45,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-10 09:27:45,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=151, Unknown=4, NotChecked=78, Total=272 [2022-01-10 09:27:45,014 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:47,064 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ (* (div (+ (* (- 1) |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 4294967296) 4294967296) 4294967296) |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 1) (<= |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| (+ (* 4294967296 (div |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648)) 4)) (= |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 0) (= 42 (select (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616))) (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_12| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| Int)) (= 42 (select (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_12| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_12| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 2147483648) 2) 18446744056529682432)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616))))) is different from false [2022-01-10 09:27:49,076 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ (* (div (+ (* (- 1) |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 4294967297) 4294967296) 4294967296) |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 2) (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| Int)) (= 42 (select (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 2147483648) 2) 18446744056529682432)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616)))) (= |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 0) (= 42 (select (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616)))) is different from false [2022-01-10 09:27:50,174 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| (* 4294967296 (div (+ (* (- 1) |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 4294967298) 4294967296))) 3) (= |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 0) (= 42 (select (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616))) (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int)) (= 42 (select (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 18446744073709551616))))) is different from false [2022-01-10 09:27:50,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:27:50,261 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-01-10 09:27:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 09:27:50,261 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-01-10 09:27:50,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:27:50,262 INFO L225 Difference]: With dead ends: 26 [2022-01-10 09:27:50,262 INFO L226 Difference]: Without dead ends: 19 [2022-01-10 09:27:50,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=63, Invalid=226, Unknown=7, NotChecked=210, Total=506 [2022-01-10 09:27:50,263 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 28 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 50 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 09:27:50,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 47 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 50 Unchecked, 0.1s Time] [2022-01-10 09:27:50,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-01-10 09:27:50,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2022-01-10 09:27:50,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-01-10 09:27:50,266 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2022-01-10 09:27:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:27:50,267 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-01-10 09:27:50,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:27:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-01-10 09:27:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 09:27:50,267 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:27:50,267 INFO L514 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:27:50,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 09:27:50,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-10 09:27:50,471 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:27:50,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:27:50,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2003711710, now seen corresponding path program 1 times [2022-01-10 09:27:50,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:27:50,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558779163] [2022-01-10 09:27:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:50,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:27:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 09:27:50,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:27:50,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558779163] [2022-01-10 09:27:50,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558779163] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 09:27:50,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352717724] [2022-01-10 09:27:50,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:27:50,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:27:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:27:50,572 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) [2022-01-10 09:27:50,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 09:27:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:27:50,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-10 09:27:50,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:27:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 09:27:51,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:27:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 09:27:53,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352717724] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 09:27:53,090 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 09:27:53,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2022-01-10 09:27:53,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701108957] [2022-01-10 09:27:53,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 09:27:53,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-10 09:27:53,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:27:53,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-10 09:27:53,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-01-10 09:27:53,092 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:28:02,618 WARN L228 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-10 09:28:13,299 WARN L228 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 42 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-10 09:28:24,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:28:24,412 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2022-01-10 09:28:24,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-10 09:28:24,412 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-01-10 09:28:24,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:28:24,413 INFO L225 Difference]: With dead ends: 33 [2022-01-10 09:28:24,413 INFO L226 Difference]: Without dead ends: 24 [2022-01-10 09:28:24,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 32.6s TimeCoverageRelationStatistics Valid=170, Invalid=379, Unknown=3, NotChecked=0, Total=552 [2022-01-10 09:28:24,415 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 09:28:24,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 11 Unchecked, 0.6s Time] [2022-01-10 09:28:24,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-01-10 09:28:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-01-10 09:28:24,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:28:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-01-10 09:28:24,420 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 16 [2022-01-10 09:28:24,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:28:24,420 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-01-10 09:28:24,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:28:24,421 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-01-10 09:28:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 09:28:24,421 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:28:24,421 INFO L514 BasicCegarLoop]: trace histogram [12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:28:24,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-10 09:28:24,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:28:24,625 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:28:24,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:28:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -601905171, now seen corresponding path program 2 times [2022-01-10 09:28:24,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:28:24,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945779548] [2022-01-10 09:28:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:28:24,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:28:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:28:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-10 09:28:24,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:28:24,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945779548] [2022-01-10 09:28:24,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945779548] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 09:28:24,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744057585] [2022-01-10 09:28:24,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 09:28:24,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:28:24,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:28:24,877 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) [2022-01-10 09:28:24,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 09:28:26,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 09:28:26,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 09:28:26,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 62 conjunts are in the unsatisfiable core [2022-01-10 09:28:26,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:28:26,054 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-10 09:28:26,092 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,092 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,140 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,140 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,183 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,183 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,229 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,229 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,303 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,303 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,423 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,424 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,476 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,476 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,523 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,523 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,568 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,568 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,617 INFO L353 Elim1Store]: treesize reduction 61, result has 15.3 percent of original size [2022-01-10 09:28:26,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2022-01-10 09:28:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-01-10 09:28:26,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:28:28,016 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int)) (= 42 (select (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from false [2022-01-10 09:28:30,032 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int)) (= 42 (select (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from false [2022-01-10 09:28:32,070 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= (select (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)) 42)) is different from false [2022-01-10 09:28:34,124 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= (select (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)) 42)) is different from false [2022-01-10 09:28:36,347 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= (select (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)) 42)) is different from false [2022-01-10 09:28:38,576 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= (select (store (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)) 42)) is different from false [2022-01-10 09:28:41,064 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= 42 (select (store (store (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from false [2022-01-10 09:28:46,716 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= 42 (select (store (store (store (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 2147483648) 2) 18446744056529682432)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from false [2022-01-10 09:28:49,628 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= 42 (select (store (store (store (store (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| 2147483648) 2))) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 2147483648) 2) 18446744056529682432)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from false [2022-01-10 09:28:51,632 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= 42 (select (store (store (store (store (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| 2147483648) 2))) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 2147483648) 2) 18446744056529682432)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from true [2022-01-10 09:28:53,876 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| Int) (|ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_57| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| Int)) (= 42 (select (store (store (store (store (store (store (store (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) (* 18446744056529682432 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_57| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_57| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_55| 2147483648) 2))) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 4) (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_53| 2147483648) 2) 18446744056529682432)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_51| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 4) (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_49| 2147483648) 2))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_47| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_45| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_43| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 2147483648) 2) 18446744056529682432) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_41| 4)) 18446744073709551616)) 18446744073709551616) 42) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt| 4) 18446744073709551616)))) is different from false