/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-tiling/pnr5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:38:07,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:38:07,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:38:07,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 09:38:07,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:38:07,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:38:07,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:38:07,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:38:07,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:38:07,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:38:07,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:38:07,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:38:07,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:38:07,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:38:07,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:38:07,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:38:07,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 09:38:07,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:38:07,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:38:07,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:38:07,496 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 09:38:07,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:38:07,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:38:07,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:38:07,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:38:07,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:38:07,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:38:07,533 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:38:07,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:38:07,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:38:07,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:38:07,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:38:07,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:38:07,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:38:07,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:38:07,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:38:07,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:38:07,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:38:07,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:38:07,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:38:07,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:38:07,538 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:38:07,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:38:07,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:38:07,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:38:07,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:38:07,539 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:38:07,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:38:07,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:38:07,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:38:07,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:38:07,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:38:07,765 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:38:07,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr5.c [2022-01-10 09:38:07,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/725943922/bec8fe47787d41a19d3db7b318d39d2e/FLAG69581b277 [2022-01-10 09:38:08,182 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:38:08,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pnr5.c [2022-01-10 09:38:08,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/725943922/bec8fe47787d41a19d3db7b318d39d2e/FLAG69581b277 [2022-01-10 09:38:08,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/725943922/bec8fe47787d41a19d3db7b318d39d2e [2022-01-10 09:38:08,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:38:08,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:38:08,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:38:08,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:38:08,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:38:08,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68159b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08, skipping insertion in model container [2022-01-10 09:38:08,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:38:08,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:38:08,353 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-tiling/pnr5.c[395,408] [2022-01-10 09:38:08,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:38:08,422 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:38:08,446 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-tiling/pnr5.c[395,408] [2022-01-10 09:38:08,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:38:08,474 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:38:08,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08 WrapperNode [2022-01-10 09:38:08,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:38:08,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:38:08,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:38:08,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:38:08,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,523 INFO L137 Inliner]: procedures = 19, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 112 [2022-01-10 09:38:08,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:38:08,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:38:08,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:38:08,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:38:08,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:38:08,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:38:08,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:38:08,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:38:08,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (1/1) ... [2022-01-10 09:38:08,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:38:08,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:38:08,596 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 09:38:08,620 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 09:38:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:38:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:38:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 09:38:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 09:38:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:38:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:38:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 09:38:08,709 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:38:08,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:38:09,090 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:38:09,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:38:09,095 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 09:38:09,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:38:09 BoogieIcfgContainer [2022-01-10 09:38:09,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:38:09,097 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:38:09,097 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:38:09,099 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:38:09,102 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:38:09" (1/1) ... [2022-01-10 09:38:09,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:38:09 BasicIcfg [2022-01-10 09:38:09,246 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:38:09,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:38:09,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:38:09,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:38:09,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:38:08" (1/4) ... [2022-01-10 09:38:09,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bd5f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:38:09, skipping insertion in model container [2022-01-10 09:38:09,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:38:08" (2/4) ... [2022-01-10 09:38:09,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bd5f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:38:09, skipping insertion in model container [2022-01-10 09:38:09,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:38:09" (3/4) ... [2022-01-10 09:38:09,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bd5f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:38:09, skipping insertion in model container [2022-01-10 09:38:09,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:38:09" (4/4) ... [2022-01-10 09:38:09,266 INFO L111 eAbstractionObserver]: Analyzing ICFG pnr5.cTransformedIcfg [2022-01-10 09:38:09,269 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:38:09,269 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 09:38:09,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:38:09,305 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 09:38:09,305 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 09:38:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 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 09:38:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 09:38:09,318 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:38:09,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:38:09,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:38:09,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:38:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash 25097780, now seen corresponding path program 1 times [2022-01-10 09:38:09,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:38:09,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870018186] [2022-01-10 09:38:09,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:38:09,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:38:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:38:09,548 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 09:38:09,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:38:09,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870018186] [2022-01-10 09:38:09,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870018186] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:38:09,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:38:09,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:38:09,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136906633] [2022-01-10 09:38:09,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:38:09,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:38:09,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:38:09,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:38:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:38:09,587 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 32 states have internal predecessors, (45), 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 5.5) internal successors, (11), 2 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 09:38:09,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:38:09,601 INFO L93 Difference]: Finished difference Result 61 states and 82 transitions. [2022-01-10 09:38:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:38:09,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) Word has length 11 [2022-01-10 09:38:09,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:38:09,609 INFO L225 Difference]: With dead ends: 61 [2022-01-10 09:38:09,609 INFO L226 Difference]: Without dead ends: 29 [2022-01-10 09:38:09,611 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 09:38:09,615 INFO L933 BasicCegarLoop]: 41 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, 41 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 09:38:09,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:38:09,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-01-10 09:38:09,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-01-10 09:38:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 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 09:38:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-01-10 09:38:09,642 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 11 [2022-01-10 09:38:09,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:38:09,642 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-01-10 09:38:09,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 09:38:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-01-10 09:38:09,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 09:38:09,645 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:38:09,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:38:09,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:38:09,646 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:38:09,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:38:09,647 INFO L85 PathProgramCache]: Analyzing trace with hash 913524982, now seen corresponding path program 1 times [2022-01-10 09:38:09,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:38:09,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941370325] [2022-01-10 09:38:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:38:09,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:38:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:38:10,679 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 09:38:10,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:38:10,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941370325] [2022-01-10 09:38:10,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941370325] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:38:10,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:38:10,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 09:38:10,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868431986] [2022-01-10 09:38:10,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:38:10,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 09:38:10,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:38:10,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 09:38:10,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 09:38:10,683 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 09:38:10,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:38:10,868 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2022-01-10 09:38:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 09:38:10,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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) Word has length 11 [2022-01-10 09:38:10,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:38:10,870 INFO L225 Difference]: With dead ends: 52 [2022-01-10 09:38:10,870 INFO L226 Difference]: Without dead ends: 45 [2022-01-10 09:38:10,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 09:38:10,871 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 155 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 09:38:10,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 33 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 09:38:10,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-01-10 09:38:10,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 30. [2022-01-10 09:38:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 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 09:38:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-01-10 09:38:10,879 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 11 [2022-01-10 09:38:10,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:38:10,880 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-01-10 09:38:10,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 09:38:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-01-10 09:38:10,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-01-10 09:38:10,881 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:38:10,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:38:10,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 09:38:10,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:38:10,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:38:10,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1618022202, now seen corresponding path program 1 times [2022-01-10 09:38:10,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:38:10,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645240153] [2022-01-10 09:38:10,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:38:10,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:38:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:38:13,633 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 09:38:13,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:38:13,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645240153] [2022-01-10 09:38:13,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645240153] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 09:38:13,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218154624] [2022-01-10 09:38:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:38:13,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:38:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:38:13,643 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 09:38:13,669 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 09:38:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:38:14,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-10 09:38:14,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:38:14,279 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2022-01-10 09:38:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:38:14,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83 [2022-01-10 09:38:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:38:14,430 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83 [2022-01-10 09:38:14,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:38:14,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 83 [2022-01-10 09:38:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:38:14,566 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2022-01-10 09:38:14,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:38:14,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 09:38:14,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 09:38:14,699 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 09:38:14,700 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 28 [2022-01-10 09:38:14,730 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 09:38:14,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:38:33,393 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_35 Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| Int) (|ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int| Int)) (or (not (= |c_ULTIMATE.start_ULTIMATE.start_main_~DEFAULTVAL~0#1Int| (select (let ((.cse1 (mod (* 5 |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 4294967296))) (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.baseInt|) (mod (+ (mod (let ((.cse0 (mod (+ .cse1 4294967294) 4294967296))) (+ (* (mod (div .cse0 2147483648) 2) 18446744056529682432) (* .cse0 4))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) v_ArrVal_35) (mod (+ (mod (let ((.cse2 (mod (+ .cse1 4294967295) 4294967296))) (+ (* (mod (div .cse2 2147483648) 2) 18446744056529682432) (* .cse2 4))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int|)) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616)))) (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 0)) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1|)) (= |ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int| |c_ULTIMATE.start_ULTIMATE.start_main_~DEFAULTVAL~0#1Int|))) is different from false [2022-01-10 09:39:11,683 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_35 Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| Int) (v_ArrVal_34 Int) (|ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int| Int)) (or (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 0)) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1|)) (= |ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int| |c_ULTIMATE.start_ULTIMATE.start_main_~DEFAULTVAL~0#1Int|) (not (= |c_ULTIMATE.start_ULTIMATE.start_main_~DEFAULTVAL~0#1Int| (select (let ((.cse1 (mod (* 5 |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 4294967296))) (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.baseInt|) (mod (+ (mod (let ((.cse0 (mod (+ .cse1 4294967293) 4294967296))) (+ (* .cse0 4) (* (mod (div .cse0 2147483648) 2) 18446744056529682432))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) v_ArrVal_34) (mod (+ (mod (let ((.cse2 (mod (+ .cse1 4294967294) 4294967296))) (+ (* (mod (div .cse2 2147483648) 2) 18446744056529682432) (* .cse2 4))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) v_ArrVal_35) (mod (+ (mod (let ((.cse3 (mod (+ .cse1 4294967295) 4294967296))) (+ (* (mod (div .cse3 2147483648) 2) 18446744056529682432) (* .cse3 4))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int|)) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616)))))) is different from false [2022-01-10 09:39:13,688 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_35 Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| Int) (v_ArrVal_34 Int) (|ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int| Int)) (or (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 0)) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1|)) (= |ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int| |c_ULTIMATE.start_ULTIMATE.start_main_~DEFAULTVAL~0#1Int|) (not (= |c_ULTIMATE.start_ULTIMATE.start_main_~DEFAULTVAL~0#1Int| (select (let ((.cse1 (mod (* 5 |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int|) 4294967296))) (store (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.baseInt|) (mod (+ (mod (let ((.cse0 (mod (+ .cse1 4294967293) 4294967296))) (+ (* .cse0 4) (* (mod (div .cse0 2147483648) 2) 18446744056529682432))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) v_ArrVal_34) (mod (+ (mod (let ((.cse2 (mod (+ .cse1 4294967294) 4294967296))) (+ (* (mod (div .cse2 2147483648) 2) 18446744056529682432) (* .cse2 4))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) v_ArrVal_35) (mod (+ (mod (let ((.cse3 (mod (+ .cse1 4294967295) 4294967296))) (+ (* (mod (div .cse3 2147483648) 2) 18446744056529682432) (* .cse3 4))) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~value~0#1Int|)) (mod (+ (mod (+ (* 18446744056529682432 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 2147483648) 2)) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_1| 4)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~a~0#1.offsetInt|) 18446744073709551616)))))) is different from true