/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-09 23:31:45,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-09 23:31:45,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-09 23:31:45,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-09 23:31:45,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-09 23:31:45,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-09 23:31:45,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-09 23:31:45,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-09 23:31:45,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-09 23:31:45,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-09 23:31:45,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-09 23:31:45,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-09 23:31:45,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-09 23:31:45,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-09 23:31:45,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-09 23:31:45,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-09 23:31:45,824 INFO L138 SettingsManager]: * Use SBE=true [2022-01-09 23:31:45,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-09 23:31:45,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-09 23:31:45,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-09 23:31:45,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-09 23:31:45,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-09 23:31:45,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:31:45,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-09 23:31:45,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-09 23:31:45,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-09 23:31:45,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-09 23:31:45,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-09 23:31:45,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-09 23:31:45,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-09 23:31:45,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-09 23:31:45,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-09 23:31:46,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-09 23:31:46,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-09 23:31:46,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-09 23:31:46,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-09 23:31:46,038 INFO L275 PluginConnector]: CDTParser initialized [2022-01-09 23:31:46,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label42.c [2022-01-09 23:31:46,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bb86465/c9be57806fb94d6494176baead293452/FLAG5a2e00156 [2022-01-09 23:31:46,537 INFO L306 CDTParser]: Found 1 translation units. [2022-01-09 23:31:46,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label42.c [2022-01-09 23:31:46,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bb86465/c9be57806fb94d6494176baead293452/FLAG5a2e00156 [2022-01-09 23:31:46,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bb86465/c9be57806fb94d6494176baead293452 [2022-01-09 23:31:46,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-09 23:31:46,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-09 23:31:46,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-09 23:31:46,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-09 23:31:46,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-09 23:31:46,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:31:46" (1/1) ... [2022-01-09 23:31:46,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fd0fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:46, skipping insertion in model container [2022-01-09 23:31:46,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:31:46" (1/1) ... [2022-01-09 23:31:46,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-09 23:31:46,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-09 23:31:47,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label42.c[60691,60704] [2022-01-09 23:31:47,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:31:47,048 INFO L203 MainTranslator]: Completed pre-run [2022-01-09 23:31:47,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label42.c[60691,60704] [2022-01-09 23:31:47,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:31:47,268 INFO L208 MainTranslator]: Completed translation [2022-01-09 23:31:47,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47 WrapperNode [2022-01-09 23:31:47,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-09 23:31:47,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-09 23:31:47,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-09 23:31:47,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-09 23:31:47,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,372 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-01-09 23:31:47,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-09 23:31:47,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-09 23:31:47,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-09 23:31:47,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-09 23:31:47,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-09 23:31:47,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-09 23:31:47,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-09 23:31:47,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-09 23:31:47,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (1/1) ... [2022-01-09 23:31:47,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:31:47,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:31:47,531 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) [2022-01-09 23:31:47,559 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 [2022-01-09 23:31:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-09 23:31:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-09 23:31:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-09 23:31:47,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-09 23:31:47,625 INFO L234 CfgBuilder]: Building ICFG [2022-01-09 23:31:47,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-09 23:31:48,712 INFO L275 CfgBuilder]: Performing block encoding [2022-01-09 23:31:48,734 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-09 23:31:48,734 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-09 23:31:48,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:31:48 BoogieIcfgContainer [2022-01-09 23:31:48,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-09 23:31:48,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-09 23:31:48,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-09 23:31:48,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-09 23:31:48,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 11:31:46" (1/3) ... [2022-01-09 23:31:48,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647e2851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:31:48, skipping insertion in model container [2022-01-09 23:31:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:31:47" (2/3) ... [2022-01-09 23:31:48,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647e2851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:31:48, skipping insertion in model container [2022-01-09 23:31:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:31:48" (3/3) ... [2022-01-09 23:31:48,741 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label42.c [2022-01-09 23:31:48,744 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-09 23:31:48,744 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-09 23:31:48,771 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-09 23:31:48,775 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 [2022-01-09 23:31:48,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-09 23:31:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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) [2022-01-09 23:31:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-01-09 23:31:48,798 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:48,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:48,799 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:48,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1065786898, now seen corresponding path program 1 times [2022-01-09 23:31:48,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:48,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391399159] [2022-01-09 23:31:48,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:48,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:49,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:31:49,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:49,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391399159] [2022-01-09 23:31:49,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391399159] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:49,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:49,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:31:49,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194759350] [2022-01-09 23:31:49,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:49,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:49,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:49,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:49,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:49,389 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 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) [2022-01-09 23:31:50,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:50,185 INFO L93 Difference]: Finished difference Result 833 states and 1474 transitions. [2022-01-09 23:31:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:50,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 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 196 [2022-01-09 23:31:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:50,196 INFO L225 Difference]: With dead ends: 833 [2022-01-09 23:31:50,196 INFO L226 Difference]: Without dead ends: 454 [2022-01-09 23:31:50,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:50,201 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 95 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:50,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 163 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-09 23:31:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-01-09 23:31:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-01-09 23:31:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.55902004454343) internal successors, (700), 449 states have internal predecessors, (700), 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) [2022-01-09 23:31:50,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 700 transitions. [2022-01-09 23:31:50,240 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 700 transitions. Word has length 196 [2022-01-09 23:31:50,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:50,241 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 700 transitions. [2022-01-09 23:31:50,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 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) [2022-01-09 23:31:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 700 transitions. [2022-01-09 23:31:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-01-09 23:31:50,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:50,266 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:50,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-09 23:31:50,266 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:50,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1852788322, now seen corresponding path program 1 times [2022-01-09 23:31:50,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:50,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868307183] [2022-01-09 23:31:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:50,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:31:50,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:50,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868307183] [2022-01-09 23:31:50,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868307183] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:50,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:50,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:31:50,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607684286] [2022-01-09 23:31:50,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:50,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:50,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:50,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:50,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:50,325 INFO L87 Difference]: Start difference. First operand 450 states and 700 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 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) [2022-01-09 23:31:50,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:50,909 INFO L93 Difference]: Finished difference Result 1337 states and 2085 transitions. [2022-01-09 23:31:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:50,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 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 202 [2022-01-09 23:31:50,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:50,912 INFO L225 Difference]: With dead ends: 1337 [2022-01-09 23:31:50,912 INFO L226 Difference]: Without dead ends: 889 [2022-01-09 23:31:50,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:50,915 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:50,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 104 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-09 23:31:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-01-09 23:31:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2022-01-09 23:31:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.5429864253393666) internal successors, (1364), 884 states have internal predecessors, (1364), 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) [2022-01-09 23:31:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1364 transitions. [2022-01-09 23:31:50,940 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1364 transitions. Word has length 202 [2022-01-09 23:31:50,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:50,940 INFO L470 AbstractCegarLoop]: Abstraction has 885 states and 1364 transitions. [2022-01-09 23:31:50,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 2 states have internal predecessors, (202), 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) [2022-01-09 23:31:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1364 transitions. [2022-01-09 23:31:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-01-09 23:31:50,945 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:50,945 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:50,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-09 23:31:50,945 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:50,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:50,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1185748617, now seen corresponding path program 1 times [2022-01-09 23:31:50,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:50,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416753570] [2022-01-09 23:31:50,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:50,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:31:51,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:51,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416753570] [2022-01-09 23:31:51,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416753570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:51,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:51,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:31:51,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337083264] [2022-01-09 23:31:51,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:51,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:51,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:51,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:51,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:51,012 INFO L87 Difference]: Start difference. First operand 885 states and 1364 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2022-01-09 23:31:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:51,585 INFO L93 Difference]: Finished difference Result 2599 states and 4012 transitions. [2022-01-09 23:31:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:51,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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 209 [2022-01-09 23:31:51,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:51,590 INFO L225 Difference]: With dead ends: 2599 [2022-01-09 23:31:51,590 INFO L226 Difference]: Without dead ends: 1716 [2022-01-09 23:31:51,592 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 [2022-01-09 23:31:51,596 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 256 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:51,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 136 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:31:51,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-01-09 23:31:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1714. [2022-01-09 23:31:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.4676007005253942) internal successors, (2514), 1713 states have internal predecessors, (2514), 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) [2022-01-09 23:31:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2514 transitions. [2022-01-09 23:31:51,626 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2514 transitions. Word has length 209 [2022-01-09 23:31:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:51,627 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2514 transitions. [2022-01-09 23:31:51,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2022-01-09 23:31:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2514 transitions. [2022-01-09 23:31:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-01-09 23:31:51,631 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:51,632 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:51,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-09 23:31:51,632 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash -515189889, now seen corresponding path program 1 times [2022-01-09 23:31:51,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:51,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970213447] [2022-01-09 23:31:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:51,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-09 23:31:51,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:51,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970213447] [2022-01-09 23:31:51,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970213447] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:51,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:51,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:31:51,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769248831] [2022-01-09 23:31:51,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:51,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:51,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:51,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:51,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:51,708 INFO L87 Difference]: Start difference. First operand 1714 states and 2514 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 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) [2022-01-09 23:31:52,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:52,324 INFO L93 Difference]: Finished difference Result 5090 states and 7487 transitions. [2022-01-09 23:31:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:52,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 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 210 [2022-01-09 23:31:52,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:52,335 INFO L225 Difference]: With dead ends: 5090 [2022-01-09 23:31:52,335 INFO L226 Difference]: Without dead ends: 3378 [2022-01-09 23:31:52,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:52,344 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:52,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 119 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-09 23:31:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2022-01-09 23:31:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3345. [2022-01-09 23:31:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 3344 states have (on average 1.4342105263157894) internal successors, (4796), 3344 states have internal predecessors, (4796), 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) [2022-01-09 23:31:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 4796 transitions. [2022-01-09 23:31:52,395 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 4796 transitions. Word has length 210 [2022-01-09 23:31:52,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:52,395 INFO L470 AbstractCegarLoop]: Abstraction has 3345 states and 4796 transitions. [2022-01-09 23:31:52,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 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) [2022-01-09 23:31:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 4796 transitions. [2022-01-09 23:31:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-01-09 23:31:52,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:52,401 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:52,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-09 23:31:52,401 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:52,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:52,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1167965794, now seen corresponding path program 1 times [2022-01-09 23:31:52,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:52,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734560522] [2022-01-09 23:31:52,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:52,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-09 23:31:52,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:52,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734560522] [2022-01-09 23:31:52,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734560522] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:52,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:52,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:31:52,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522438625] [2022-01-09 23:31:52,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:52,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:52,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:52,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:52,504 INFO L87 Difference]: Start difference. First operand 3345 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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) [2022-01-09 23:31:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:53,030 INFO L93 Difference]: Finished difference Result 9144 states and 13135 transitions. [2022-01-09 23:31:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:53,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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 223 [2022-01-09 23:31:53,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:53,045 INFO L225 Difference]: With dead ends: 9144 [2022-01-09 23:31:53,046 INFO L226 Difference]: Without dead ends: 5801 [2022-01-09 23:31:53,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:53,050 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 243 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:53,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 166 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:31:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5801 states. [2022-01-09 23:31:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5801 to 5795. [2022-01-09 23:31:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5795 states, 5794 states have (on average 1.387124611667242) internal successors, (8037), 5794 states have internal predecessors, (8037), 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) [2022-01-09 23:31:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5795 states to 5795 states and 8037 transitions. [2022-01-09 23:31:53,143 INFO L78 Accepts]: Start accepts. Automaton has 5795 states and 8037 transitions. Word has length 223 [2022-01-09 23:31:53,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:53,144 INFO L470 AbstractCegarLoop]: Abstraction has 5795 states and 8037 transitions. [2022-01-09 23:31:53,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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) [2022-01-09 23:31:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 5795 states and 8037 transitions. [2022-01-09 23:31:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-01-09 23:31:53,151 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:53,151 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:53,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-09 23:31:53,152 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:53,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:53,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1965311044, now seen corresponding path program 1 times [2022-01-09 23:31:53,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:53,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066066905] [2022-01-09 23:31:53,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:53,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-09 23:31:53,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:53,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066066905] [2022-01-09 23:31:53,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066066905] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:53,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:53,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:31:53,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098091629] [2022-01-09 23:31:53,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:53,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:53,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:53,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:53,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:53,234 INFO L87 Difference]: Start difference. First operand 5795 states and 8037 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2022-01-09 23:31:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:53,847 INFO L93 Difference]: Finished difference Result 14453 states and 19967 transitions. [2022-01-09 23:31:53,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 224 [2022-01-09 23:31:53,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:53,871 INFO L225 Difference]: With dead ends: 14453 [2022-01-09 23:31:53,871 INFO L226 Difference]: Without dead ends: 8660 [2022-01-09 23:31:53,879 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 [2022-01-09 23:31:53,879 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:53,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 385 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:31:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8660 states. [2022-01-09 23:31:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8660 to 8637. [2022-01-09 23:31:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8637 states, 8636 states have (on average 1.3243399722093563) internal successors, (11437), 8636 states have internal predecessors, (11437), 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) [2022-01-09 23:31:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8637 states to 8637 states and 11437 transitions. [2022-01-09 23:31:54,016 INFO L78 Accepts]: Start accepts. Automaton has 8637 states and 11437 transitions. Word has length 224 [2022-01-09 23:31:54,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:54,017 INFO L470 AbstractCegarLoop]: Abstraction has 8637 states and 11437 transitions. [2022-01-09 23:31:54,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2022-01-09 23:31:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 8637 states and 11437 transitions. [2022-01-09 23:31:54,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-01-09 23:31:54,035 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:54,035 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:54,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-09 23:31:54,036 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:54,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:54,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1623070180, now seen corresponding path program 1 times [2022-01-09 23:31:54,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:54,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695752249] [2022-01-09 23:31:54,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:54,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-01-09 23:31:54,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:54,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695752249] [2022-01-09 23:31:54,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695752249] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:54,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:54,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:31:54,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095428427] [2022-01-09 23:31:54,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:54,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:54,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:54,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:54,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:54,131 INFO L87 Difference]: Start difference. First operand 8637 states and 11437 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2022-01-09 23:31:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:54,885 INFO L93 Difference]: Finished difference Result 23583 states and 31178 transitions. [2022-01-09 23:31:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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 237 [2022-01-09 23:31:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:54,917 INFO L225 Difference]: With dead ends: 23583 [2022-01-09 23:31:54,918 INFO L226 Difference]: Without dead ends: 14948 [2022-01-09 23:31:54,928 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 [2022-01-09 23:31:54,928 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:54,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 407 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-09 23:31:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14948 states. [2022-01-09 23:31:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14948 to 14535. [2022-01-09 23:31:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14535 states, 14534 states have (on average 1.2664097977157012) internal successors, (18406), 14534 states have internal predecessors, (18406), 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) [2022-01-09 23:31:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14535 states to 14535 states and 18406 transitions. [2022-01-09 23:31:55,137 INFO L78 Accepts]: Start accepts. Automaton has 14535 states and 18406 transitions. Word has length 237 [2022-01-09 23:31:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:55,137 INFO L470 AbstractCegarLoop]: Abstraction has 14535 states and 18406 transitions. [2022-01-09 23:31:55,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2022-01-09 23:31:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 14535 states and 18406 transitions. [2022-01-09 23:31:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-01-09 23:31:55,159 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:55,159 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:55,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-09 23:31:55,160 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:55,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:55,160 INFO L85 PathProgramCache]: Analyzing trace with hash 452388191, now seen corresponding path program 1 times [2022-01-09 23:31:55,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:55,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362872900] [2022-01-09 23:31:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:55,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:31:55,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:55,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362872900] [2022-01-09 23:31:55,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362872900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:55,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:55,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:31:55,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170857444] [2022-01-09 23:31:55,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:55,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-09 23:31:55,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:55,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-09 23:31:55,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:31:55,230 INFO L87 Difference]: Start difference. First operand 14535 states and 18406 transitions. Second operand has 4 states, 4 states have (on average 60.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2022-01-09 23:31:56,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:56,169 INFO L93 Difference]: Finished difference Result 28298 states and 35915 transitions. [2022-01-09 23:31:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-09 23:31:56,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 3 states have internal predecessors, (240), 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 240 [2022-01-09 23:31:56,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:56,189 INFO L225 Difference]: With dead ends: 28298 [2022-01-09 23:31:56,189 INFO L226 Difference]: Without dead ends: 14577 [2022-01-09 23:31:56,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:31:56,201 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 410 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:56,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 163 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-09 23:31:56,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14577 states. [2022-01-09 23:31:56,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14577 to 13926. [2022-01-09 23:31:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13926 states, 13925 states have (on average 1.2690843806104128) internal successors, (17672), 13925 states have internal predecessors, (17672), 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) [2022-01-09 23:31:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13926 states to 13926 states and 17672 transitions. [2022-01-09 23:31:56,341 INFO L78 Accepts]: Start accepts. Automaton has 13926 states and 17672 transitions. Word has length 240 [2022-01-09 23:31:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:56,342 INFO L470 AbstractCegarLoop]: Abstraction has 13926 states and 17672 transitions. [2022-01-09 23:31:56,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 3 states have internal predecessors, (240), 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) [2022-01-09 23:31:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 13926 states and 17672 transitions. [2022-01-09 23:31:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-01-09 23:31:56,357 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:56,358 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:56,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-09 23:31:56,358 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:56,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash -7650806, now seen corresponding path program 1 times [2022-01-09 23:31:56,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:56,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794279831] [2022-01-09 23:31:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:56,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-09 23:31:56,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:56,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794279831] [2022-01-09 23:31:56,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794279831] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:31:56,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441527960] [2022-01-09 23:31:56,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:56,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:31:56,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:31:56,439 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) [2022-01-09 23:31:56,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-09 23:31:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:56,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:31:56,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:31:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-09 23:31:57,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:31:57,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441527960] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:57,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:31:57,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-01-09 23:31:57,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855065698] [2022-01-09 23:31:57,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:57,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:57,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:57,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:57,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:31:57,149 INFO L87 Difference]: Start difference. First operand 13926 states and 17672 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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) [2022-01-09 23:31:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:57,829 INFO L93 Difference]: Finished difference Result 37395 states and 47512 transitions. [2022-01-09 23:31:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:57,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 247 [2022-01-09 23:31:57,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:57,869 INFO L225 Difference]: With dead ends: 37395 [2022-01-09 23:31:57,869 INFO L226 Difference]: Without dead ends: 23471 [2022-01-09 23:31:57,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:31:57,888 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 39 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:57,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 417 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:31:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23471 states. [2022-01-09 23:31:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23471 to 21843. [2022-01-09 23:31:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21843 states, 21842 states have (on average 1.1970057687024998) internal successors, (26145), 21842 states have internal predecessors, (26145), 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) [2022-01-09 23:31:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21843 states to 21843 states and 26145 transitions. [2022-01-09 23:31:58,217 INFO L78 Accepts]: Start accepts. Automaton has 21843 states and 26145 transitions. Word has length 247 [2022-01-09 23:31:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:58,218 INFO L470 AbstractCegarLoop]: Abstraction has 21843 states and 26145 transitions. [2022-01-09 23:31:58,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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) [2022-01-09 23:31:58,218 INFO L276 IsEmpty]: Start isEmpty. Operand 21843 states and 26145 transitions. [2022-01-09 23:31:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-01-09 23:31:58,244 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:58,244 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:58,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-09 23:31:58,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:31:58,469 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:58,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:58,470 INFO L85 PathProgramCache]: Analyzing trace with hash 760934303, now seen corresponding path program 1 times [2022-01-09 23:31:58,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:58,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223625585] [2022-01-09 23:31:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:58,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:31:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:31:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-09 23:31:58,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:31:58,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223625585] [2022-01-09 23:31:58,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223625585] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:31:58,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:31:58,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:31:58,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260540132] [2022-01-09 23:31:58,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:31:58,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:31:58,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:31:58,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:31:58,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:58,558 INFO L87 Difference]: Start difference. First operand 21843 states and 26145 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 2 states have internal predecessors, (238), 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) [2022-01-09 23:31:59,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:31:59,364 INFO L93 Difference]: Finished difference Result 46954 states and 56019 transitions. [2022-01-09 23:31:59,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:31:59,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 2 states have internal predecessors, (238), 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 250 [2022-01-09 23:31:59,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:31:59,413 INFO L225 Difference]: With dead ends: 46954 [2022-01-09 23:31:59,413 INFO L226 Difference]: Without dead ends: 26331 [2022-01-09 23:31:59,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:31:59,437 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 186 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-09 23:31:59,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 181 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-09 23:31:59,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26331 states. [2022-01-09 23:31:59,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26331 to 25916. [2022-01-09 23:31:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25916 states, 25915 states have (on average 1.1864171329345938) internal successors, (30746), 25915 states have internal predecessors, (30746), 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) [2022-01-09 23:31:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25916 states to 25916 states and 30746 transitions. [2022-01-09 23:31:59,969 INFO L78 Accepts]: Start accepts. Automaton has 25916 states and 30746 transitions. Word has length 250 [2022-01-09 23:31:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:31:59,969 INFO L470 AbstractCegarLoop]: Abstraction has 25916 states and 30746 transitions. [2022-01-09 23:31:59,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 2 states have internal predecessors, (238), 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) [2022-01-09 23:31:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 25916 states and 30746 transitions. [2022-01-09 23:31:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-09 23:31:59,996 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:31:59,996 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:31:59,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-09 23:31:59,997 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:31:59,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:31:59,998 INFO L85 PathProgramCache]: Analyzing trace with hash 233812618, now seen corresponding path program 1 times [2022-01-09 23:31:59,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:31:59,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785516499] [2022-01-09 23:31:59,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:31:59,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-09 23:32:00,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:00,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785516499] [2022-01-09 23:32:00,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785516499] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:00,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:00,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:32:00,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259052131] [2022-01-09 23:32:00,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:00,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:00,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:00,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:00,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:00,225 INFO L87 Difference]: Start difference. First operand 25916 states and 30746 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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) [2022-01-09 23:32:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:00,610 INFO L93 Difference]: Finished difference Result 47906 states and 56582 transitions. [2022-01-09 23:32:00,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:00,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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 257 [2022-01-09 23:32:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:00,635 INFO L225 Difference]: With dead ends: 47906 [2022-01-09 23:32:00,636 INFO L226 Difference]: Without dead ends: 23616 [2022-01-09 23:32:00,651 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 [2022-01-09 23:32:00,651 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:00,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-09 23:32:00,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23616 states. [2022-01-09 23:32:00,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23616 to 23616. [2022-01-09 23:32:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23616 states, 23615 states have (on average 1.1614651704425154) internal successors, (27428), 23615 states have internal predecessors, (27428), 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) [2022-01-09 23:32:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23616 states to 23616 states and 27428 transitions. [2022-01-09 23:32:00,903 INFO L78 Accepts]: Start accepts. Automaton has 23616 states and 27428 transitions. Word has length 257 [2022-01-09 23:32:00,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:00,904 INFO L470 AbstractCegarLoop]: Abstraction has 23616 states and 27428 transitions. [2022-01-09 23:32:00,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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) [2022-01-09 23:32:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 23616 states and 27428 transitions. [2022-01-09 23:32:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-01-09 23:32:00,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:00,926 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:00,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-09 23:32:00,926 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:00,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:00,927 INFO L85 PathProgramCache]: Analyzing trace with hash 638284128, now seen corresponding path program 1 times [2022-01-09 23:32:00,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:00,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075372922] [2022-01-09 23:32:00,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:00,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-01-09 23:32:01,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:01,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075372922] [2022-01-09 23:32:01,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075372922] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:01,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:01,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:32:01,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733586939] [2022-01-09 23:32:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:01,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:01,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:01,064 INFO L87 Difference]: Start difference. First operand 23616 states and 27428 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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) [2022-01-09 23:32:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:01,717 INFO L93 Difference]: Finished difference Result 55171 states and 63944 transitions. [2022-01-09 23:32:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:01,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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 285 [2022-01-09 23:32:01,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:01,754 INFO L225 Difference]: With dead ends: 55171 [2022-01-09 23:32:01,754 INFO L226 Difference]: Without dead ends: 33181 [2022-01-09 23:32:01,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:01,794 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 217 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:01,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 119 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:32:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33181 states. [2022-01-09 23:32:02,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33181 to 33177. [2022-01-09 23:32:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33177 states, 33176 states have (on average 1.1559561128526645) internal successors, (38350), 33176 states have internal predecessors, (38350), 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) [2022-01-09 23:32:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33177 states to 33177 states and 38350 transitions. [2022-01-09 23:32:02,359 INFO L78 Accepts]: Start accepts. Automaton has 33177 states and 38350 transitions. Word has length 285 [2022-01-09 23:32:02,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:02,359 INFO L470 AbstractCegarLoop]: Abstraction has 33177 states and 38350 transitions. [2022-01-09 23:32:02,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 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) [2022-01-09 23:32:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 33177 states and 38350 transitions. [2022-01-09 23:32:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-01-09 23:32:02,392 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:02,392 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:02,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-09 23:32:02,393 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:02,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1028161034, now seen corresponding path program 1 times [2022-01-09 23:32:02,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:02,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029423955] [2022-01-09 23:32:02,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:02,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:32:02,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:02,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029423955] [2022-01-09 23:32:02,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029423955] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:02,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:02,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:32:02,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100689217] [2022-01-09 23:32:02,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:02,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:02,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:02,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:02,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:02,494 INFO L87 Difference]: Start difference. First operand 33177 states and 38350 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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) [2022-01-09 23:32:03,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:03,253 INFO L93 Difference]: Finished difference Result 69797 states and 81566 transitions. [2022-01-09 23:32:03,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:03,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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 286 [2022-01-09 23:32:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:03,293 INFO L225 Difference]: With dead ends: 69797 [2022-01-09 23:32:03,294 INFO L226 Difference]: Without dead ends: 36825 [2022-01-09 23:32:03,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:03,316 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 127 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:03,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 149 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-09 23:32:03,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36825 states. [2022-01-09 23:32:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36825 to 32968. [2022-01-09 23:32:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32968 states, 32967 states have (on average 1.1297964631297965) internal successors, (37246), 32967 states have internal predecessors, (37246), 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) [2022-01-09 23:32:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32968 states to 32968 states and 37246 transitions. [2022-01-09 23:32:03,816 INFO L78 Accepts]: Start accepts. Automaton has 32968 states and 37246 transitions. Word has length 286 [2022-01-09 23:32:03,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:03,816 INFO L470 AbstractCegarLoop]: Abstraction has 32968 states and 37246 transitions. [2022-01-09 23:32:03,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 2 states have internal predecessors, (286), 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) [2022-01-09 23:32:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 32968 states and 37246 transitions. [2022-01-09 23:32:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-01-09 23:32:03,848 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:03,849 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:03,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-09 23:32:03,849 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash 664285702, now seen corresponding path program 1 times [2022-01-09 23:32:03,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:03,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461618710] [2022-01-09 23:32:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:03,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-01-09 23:32:04,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:04,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461618710] [2022-01-09 23:32:04,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461618710] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:04,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:04,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:32:04,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157503370] [2022-01-09 23:32:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:04,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:04,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:04,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:04,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:04,016 INFO L87 Difference]: Start difference. First operand 32968 states and 37246 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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) [2022-01-09 23:32:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:04,774 INFO L93 Difference]: Finished difference Result 64723 states and 73505 transitions. [2022-01-09 23:32:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 332 [2022-01-09 23:32:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:04,814 INFO L225 Difference]: With dead ends: 64723 [2022-01-09 23:32:04,814 INFO L226 Difference]: Without dead ends: 39284 [2022-01-09 23:32:04,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:04,833 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 158 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:04,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 148 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-09 23:32:04,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39284 states. [2022-01-09 23:32:05,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39284 to 37850. [2022-01-09 23:32:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37850 states, 37849 states have (on average 1.1412718962191868) internal successors, (43196), 37849 states have internal predecessors, (43196), 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) [2022-01-09 23:32:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37850 states to 37850 states and 43196 transitions. [2022-01-09 23:32:05,334 INFO L78 Accepts]: Start accepts. Automaton has 37850 states and 43196 transitions. Word has length 332 [2022-01-09 23:32:05,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:05,334 INFO L470 AbstractCegarLoop]: Abstraction has 37850 states and 43196 transitions. [2022-01-09 23:32:05,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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) [2022-01-09 23:32:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 37850 states and 43196 transitions. [2022-01-09 23:32:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2022-01-09 23:32:05,366 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:05,367 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:05,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-09 23:32:05,367 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:05,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1040535542, now seen corresponding path program 1 times [2022-01-09 23:32:05,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:05,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713488362] [2022-01-09 23:32:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:05,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-01-09 23:32:05,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:05,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713488362] [2022-01-09 23:32:05,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713488362] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:05,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:05,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:32:05,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541688991] [2022-01-09 23:32:05,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:05,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-09 23:32:05,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:05,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-09 23:32:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:32:05,586 INFO L87 Difference]: Start difference. First operand 37850 states and 43196 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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) [2022-01-09 23:32:06,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:06,532 INFO L93 Difference]: Finished difference Result 71439 states and 81588 transitions. [2022-01-09 23:32:06,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-09 23:32:06,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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 353 [2022-01-09 23:32:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:06,571 INFO L225 Difference]: With dead ends: 71439 [2022-01-09 23:32:06,571 INFO L226 Difference]: Without dead ends: 41933 [2022-01-09 23:32:06,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:32:06,592 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 335 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:06,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 107 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-09 23:32:06,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41933 states. [2022-01-09 23:32:07,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41933 to 38463. [2022-01-09 23:32:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38463 states, 38462 states have (on average 1.1416722999324007) internal successors, (43911), 38462 states have internal predecessors, (43911), 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) [2022-01-09 23:32:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38463 states to 38463 states and 43911 transitions. [2022-01-09 23:32:07,250 INFO L78 Accepts]: Start accepts. Automaton has 38463 states and 43911 transitions. Word has length 353 [2022-01-09 23:32:07,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:07,251 INFO L470 AbstractCegarLoop]: Abstraction has 38463 states and 43911 transitions. [2022-01-09 23:32:07,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 states have internal predecessors, (299), 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) [2022-01-09 23:32:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 38463 states and 43911 transitions. [2022-01-09 23:32:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-01-09 23:32:07,398 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:07,398 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:07,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-09 23:32:07,399 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:07,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:07,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1499436243, now seen corresponding path program 1 times [2022-01-09 23:32:07,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:07,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256899816] [2022-01-09 23:32:07,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:07,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-01-09 23:32:07,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:07,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256899816] [2022-01-09 23:32:07,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256899816] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:07,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:07,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-09 23:32:07,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798258222] [2022-01-09 23:32:07,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:07,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-09 23:32:07,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:07,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-09 23:32:07,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:32:07,643 INFO L87 Difference]: Start difference. First operand 38463 states and 43911 transitions. Second operand has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-01-09 23:32:08,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:08,352 INFO L93 Difference]: Finished difference Result 71234 states and 81180 transitions. [2022-01-09 23:32:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-09 23:32:08,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 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 360 [2022-01-09 23:32:08,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:08,393 INFO L225 Difference]: With dead ends: 71234 [2022-01-09 23:32:08,394 INFO L226 Difference]: Without dead ends: 35630 [2022-01-09 23:32:08,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:32:08,417 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 696 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:08,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 50 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-09 23:32:08,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35630 states. [2022-01-09 23:32:08,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35630 to 31762. [2022-01-09 23:32:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31762 states, 31761 states have (on average 1.092408929189887) internal successors, (34696), 31761 states have internal predecessors, (34696), 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) [2022-01-09 23:32:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31762 states to 31762 states and 34696 transitions. [2022-01-09 23:32:08,889 INFO L78 Accepts]: Start accepts. Automaton has 31762 states and 34696 transitions. Word has length 360 [2022-01-09 23:32:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:08,889 INFO L470 AbstractCegarLoop]: Abstraction has 31762 states and 34696 transitions. [2022-01-09 23:32:08,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.25) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-01-09 23:32:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 31762 states and 34696 transitions. [2022-01-09 23:32:08,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-01-09 23:32:08,918 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:08,918 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:08,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-09 23:32:08,918 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:08,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:08,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1123440841, now seen corresponding path program 1 times [2022-01-09 23:32:08,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:08,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913264431] [2022-01-09 23:32:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:08,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 188 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-01-09 23:32:09,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:09,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913264431] [2022-01-09 23:32:09,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913264431] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:32:09,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207879719] [2022-01-09 23:32:09,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:09,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:32:09,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:32:09,229 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) [2022-01-09 23:32:09,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-09 23:32:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:09,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:32:09,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:32:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-01-09 23:32:09,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:32:09,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207879719] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:09,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:32:09,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-01-09 23:32:09,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589934588] [2022-01-09 23:32:09,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:09,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:09,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:09,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:09,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:32:09,877 INFO L87 Difference]: Start difference. First operand 31762 states and 34696 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 2 states have internal predecessors, (322), 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) [2022-01-09 23:32:10,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:10,206 INFO L93 Difference]: Finished difference Result 82863 states and 90363 transitions. [2022-01-09 23:32:10,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:10,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 2 states have internal predecessors, (322), 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 381 [2022-01-09 23:32:10,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:10,271 INFO L225 Difference]: With dead ends: 82863 [2022-01-09 23:32:10,272 INFO L226 Difference]: Without dead ends: 52324 [2022-01-09 23:32:10,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:32:10,301 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 179 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:10,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 474 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-09 23:32:10,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52324 states. [2022-01-09 23:32:11,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52324 to 49470. [2022-01-09 23:32:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49470 states, 49469 states have (on average 1.0892680264408012) internal successors, (53885), 49469 states have internal predecessors, (53885), 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) [2022-01-09 23:32:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49470 states to 49470 states and 53885 transitions. [2022-01-09 23:32:11,158 INFO L78 Accepts]: Start accepts. Automaton has 49470 states and 53885 transitions. Word has length 381 [2022-01-09 23:32:11,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:11,158 INFO L470 AbstractCegarLoop]: Abstraction has 49470 states and 53885 transitions. [2022-01-09 23:32:11,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 2 states have internal predecessors, (322), 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) [2022-01-09 23:32:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49470 states and 53885 transitions. [2022-01-09 23:32:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-01-09 23:32:11,178 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:11,178 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:11,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-09 23:32:11,396 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,SelfDestructingSolverStorable16 [2022-01-09 23:32:11,397 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:11,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:11,405 INFO L85 PathProgramCache]: Analyzing trace with hash 851386247, now seen corresponding path program 1 times [2022-01-09 23:32:11,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:11,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171495280] [2022-01-09 23:32:11,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:11,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 182 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:32:11,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:11,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171495280] [2022-01-09 23:32:11,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171495280] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:32:11,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412547940] [2022-01-09 23:32:11,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:11,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:32:11,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:32:11,802 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) [2022-01-09 23:32:11,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-09 23:32:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:11,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:32:11,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:32:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-01-09 23:32:12,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:32:12,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412547940] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:12,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:32:12,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-01-09 23:32:12,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466653646] [2022-01-09 23:32:12,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:12,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:12,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:12,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:12,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-09 23:32:12,408 INFO L87 Difference]: Start difference. First operand 49470 states and 53885 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-01-09 23:32:13,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:13,041 INFO L93 Difference]: Finished difference Result 95085 states and 103732 transitions. [2022-01-09 23:32:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:13,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 381 [2022-01-09 23:32:13,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:13,092 INFO L225 Difference]: With dead ends: 95085 [2022-01-09 23:32:13,093 INFO L226 Difference]: Without dead ends: 48666 [2022-01-09 23:32:13,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-09 23:32:13,119 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 67 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:13,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 275 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-09 23:32:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48666 states. [2022-01-09 23:32:13,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48666 to 47643. [2022-01-09 23:32:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47643 states, 47642 states have (on average 1.0824482599387095) internal successors, (51570), 47642 states have internal predecessors, (51570), 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) [2022-01-09 23:32:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47643 states to 47643 states and 51570 transitions. [2022-01-09 23:32:13,898 INFO L78 Accepts]: Start accepts. Automaton has 47643 states and 51570 transitions. Word has length 381 [2022-01-09 23:32:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:13,899 INFO L470 AbstractCegarLoop]: Abstraction has 47643 states and 51570 transitions. [2022-01-09 23:32:13,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2022-01-09 23:32:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 47643 states and 51570 transitions. [2022-01-09 23:32:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-01-09 23:32:13,937 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:13,938 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:13,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-09 23:32:14,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-09 23:32:14,164 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:14,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1902302396, now seen corresponding path program 1 times [2022-01-09 23:32:14,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:14,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222114113] [2022-01-09 23:32:14,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:14,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-01-09 23:32:14,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:14,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222114113] [2022-01-09 23:32:14,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222114113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:14,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:32:14,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:32:14,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264308000] [2022-01-09 23:32:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:14,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:14,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:14,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:14,304 INFO L87 Difference]: Start difference. First operand 47643 states and 51570 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 2 states have internal predecessors, (314), 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) [2022-01-09 23:32:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:15,290 INFO L93 Difference]: Finished difference Result 111799 states and 121356 transitions. [2022-01-09 23:32:15,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:15,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 2 states have internal predecessors, (314), 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 447 [2022-01-09 23:32:15,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:15,368 INFO L225 Difference]: With dead ends: 111799 [2022-01-09 23:32:15,368 INFO L226 Difference]: Without dead ends: 67613 [2022-01-09 23:32:15,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-09 23:32:15,403 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 111 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:15,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 119 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-09 23:32:15,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67613 states. [2022-01-09 23:32:16,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67613 to 61318. [2022-01-09 23:32:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61318 states, 61317 states have (on average 1.0908720257024969) internal successors, (66889), 61317 states have internal predecessors, (66889), 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) [2022-01-09 23:32:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61318 states to 61318 states and 66889 transitions. [2022-01-09 23:32:16,388 INFO L78 Accepts]: Start accepts. Automaton has 61318 states and 66889 transitions. Word has length 447 [2022-01-09 23:32:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:16,388 INFO L470 AbstractCegarLoop]: Abstraction has 61318 states and 66889 transitions. [2022-01-09 23:32:16,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 2 states have internal predecessors, (314), 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) [2022-01-09 23:32:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 61318 states and 66889 transitions. [2022-01-09 23:32:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-01-09 23:32:16,430 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:16,430 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:16,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-09 23:32:16,431 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:16,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:16,431 INFO L85 PathProgramCache]: Analyzing trace with hash -41546951, now seen corresponding path program 1 times [2022-01-09 23:32:16,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:16,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653092435] [2022-01-09 23:32:16,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:16,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 242 proven. 6 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-01-09 23:32:16,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:16,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653092435] [2022-01-09 23:32:16,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653092435] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:32:16,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608517035] [2022-01-09 23:32:16,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:16,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:32:16,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:32:16,550 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) [2022-01-09 23:32:16,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-09 23:32:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:16,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-09 23:32:16,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:32:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-01-09 23:32:17,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:32:17,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608517035] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:17,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:32:17,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-01-09 23:32:17,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236846923] [2022-01-09 23:32:17,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:17,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:17,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:17,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:32:17,316 INFO L87 Difference]: Start difference. First operand 61318 states and 66889 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 2 states have internal predecessors, (335), 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) [2022-01-09 23:32:17,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:17,943 INFO L93 Difference]: Finished difference Result 151962 states and 166488 transitions. [2022-01-09 23:32:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:17,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 2 states have internal predecessors, (335), 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 454 [2022-01-09 23:32:17,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:18,059 INFO L225 Difference]: With dead ends: 151962 [2022-01-09 23:32:18,060 INFO L226 Difference]: Without dead ends: 94304 [2022-01-09 23:32:18,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-09 23:32:18,105 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 158 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:18,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 389 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-09 23:32:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94304 states. [2022-01-09 23:32:19,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94304 to 93894. [2022-01-09 23:32:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93894 states, 93893 states have (on average 1.0963330599725218) internal successors, (102938), 93893 states have internal predecessors, (102938), 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) [2022-01-09 23:32:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93894 states to 93894 states and 102938 transitions. [2022-01-09 23:32:19,384 INFO L78 Accepts]: Start accepts. Automaton has 93894 states and 102938 transitions. Word has length 454 [2022-01-09 23:32:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:19,384 INFO L470 AbstractCegarLoop]: Abstraction has 93894 states and 102938 transitions. [2022-01-09 23:32:19,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 2 states have internal predecessors, (335), 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) [2022-01-09 23:32:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 93894 states and 102938 transitions. [2022-01-09 23:32:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-01-09 23:32:19,664 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:32:19,664 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:19,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-09 23:32:19,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:32:19,880 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:32:19,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:32:19,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1606815490, now seen corresponding path program 1 times [2022-01-09 23:32:19,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:32:19,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850953908] [2022-01-09 23:32:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:19,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:32:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 265 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:32:20,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:32:20,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850953908] [2022-01-09 23:32:20,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850953908] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-09 23:32:20,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900137874] [2022-01-09 23:32:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:32:20,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:32:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:32:20,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-09 23:32:20,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-09 23:32:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:32:20,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-09 23:32:20,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-09 23:32:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-01-09 23:32:21,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-09 23:32:21,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900137874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:32:21,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-09 23:32:21,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2022-01-09 23:32:21,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057526461] [2022-01-09 23:32:21,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:32:21,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-09 23:32:21,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:32:21,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-09 23:32:21,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-09 23:32:21,125 INFO L87 Difference]: Start difference. First operand 93894 states and 102938 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 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) [2022-01-09 23:32:22,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:32:22,188 INFO L93 Difference]: Finished difference Result 216300 states and 237902 transitions. [2022-01-09 23:32:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-09 23:32:22,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 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 462 [2022-01-09 23:32:22,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:32:22,189 INFO L225 Difference]: With dead ends: 216300 [2022-01-09 23:32:22,189 INFO L226 Difference]: Without dead ends: 0 [2022-01-09 23:32:22,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-09 23:32:22,255 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 113 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-09 23:32:22,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 92 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-09 23:32:22,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-09 23:32:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-09 23:32:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-09 23:32:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-09 23:32:22,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 462 [2022-01-09 23:32:22,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:32:22,256 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-09 23:32:22,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 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) [2022-01-09 23:32:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-09 23:32:22,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-09 23:32:22,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-09 23:32:22,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-09 23:32:22,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-09 23:32:22,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-09 23:32:28,740 WARN L228 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 966 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-01-09 23:32:34,262 WARN L228 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 966 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-01-09 23:32:45,218 WARN L228 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 966 DAG size of output: 71 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-01-09 23:32:53,810 WARN L228 SmtUtils]: Spent 8.59s on a formula simplification. DAG size of input: 966 DAG size of output: 71 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,814 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,815 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,816 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,817 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-01-09 23:32:53,818 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,819 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-01-09 23:32:53,820 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1633) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,821 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,822 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-01-09 23:32:53,828 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-01-09 23:32:53,828 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,828 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,828 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,828 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-01-09 23:32:53,829 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,830 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,830 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse11 (<= ~a7~0 0)) (.cse3 (= ~a16~0 1)) (.cse13 (= ~a26~0 ~a2~0)) (.cse7 (= ~a3~0 1)) (.cse9 (= ~a12~0 1)) (.cse5 (= ~a0~0 1)) (.cse0 (= ~a26~0 1)) (.cse2 (<= ~a3~0 0)) (.cse6 (= ~a11~0 ~a6~0)) (.cse4 (= ~a27~0 1)) (.cse1 (= ~a5~0 1)) (.cse12 (<= 2 ~a3~0)) (.cse10 (= ~a6~0 0)) (.cse8 (<= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse2 .cse6 .cse4 .cse5) (and .cse1 .cse10 .cse8 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse4) (and .cse1 .cse6 .cse7 .cse5) (and .cse1 (not (= ~a11~0 1))) (and .cse1 .cse2 .cse6 .cse8 .cse4) (and .cse0 .cse1 .cse9 .cse10) (and (= ~a25~0 ~a11~0) .cse1 .cse6 .cse7) (and .cse11 .cse1 .cse9 .cse12 .cse6 .cse3 .cse4) (and .cse1 .cse12 .cse6 .cse8) (and .cse1 .cse2 .cse10 .cse8 .cse4) (and .cse0 .cse1 .cse12 .cse10 .cse4) (and .cse1 .cse3 .cse10 .cse8 .cse4) (and .cse1 .cse6 .cse8 .cse5 .cse13) (and .cse0 .cse1 .cse9 .cse2 .cse4) (and .cse0 .cse1 .cse9 .cse12 .cse4 .cse5) (and .cse1 .cse12 .cse10 .cse4 .cse5) (and .cse1 .cse12 .cse6 .cse13) (and .cse1 .cse10 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse2 .cse6) (and .cse1 .cse12 .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse12 .cse10 .cse8))) [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,831 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,832 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse11 (<= ~a7~0 0)) (.cse3 (= ~a16~0 1)) (.cse13 (= ~a26~0 ~a2~0)) (.cse7 (= ~a3~0 1)) (.cse9 (= ~a12~0 1)) (.cse5 (= ~a0~0 1)) (.cse0 (= ~a26~0 1)) (.cse2 (<= ~a3~0 0)) (.cse6 (= ~a11~0 ~a6~0)) (.cse4 (= ~a27~0 1)) (.cse1 (= ~a5~0 1)) (.cse12 (<= 2 ~a3~0)) (.cse10 (= ~a6~0 0)) (.cse8 (<= ~a12~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse2 .cse6 .cse4 .cse5) (and .cse1 .cse10 .cse8 .cse5) (and .cse11 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse4) (and .cse1 .cse6 .cse7 .cse5) (and .cse1 (not (= ~a11~0 1))) (and .cse1 .cse2 .cse6 .cse8 .cse4) (and .cse0 .cse1 .cse9 .cse10) (and (= ~a25~0 ~a11~0) .cse1 .cse6 .cse7) (and .cse11 .cse1 .cse9 .cse12 .cse6 .cse3 .cse4) (and .cse1 .cse12 .cse6 .cse8) (and .cse1 .cse2 .cse10 .cse8 .cse4) (and .cse0 .cse1 .cse12 .cse10 .cse4) (and .cse1 .cse3 .cse10 .cse8 .cse4) (and .cse1 .cse6 .cse8 .cse5 .cse13) (and .cse0 .cse1 .cse9 .cse2 .cse4) (and .cse0 .cse1 .cse9 .cse12 .cse4 .cse5) (and .cse1 .cse12 .cse10 .cse4 .cse5) (and .cse1 .cse12 .cse6 .cse13) (and .cse1 .cse10 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse2 .cse6) (and .cse1 .cse12 .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse12 .cse10 .cse8))) [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,833 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,834 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,835 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,835 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,835 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-01-09 23:32:53,835 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,836 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-01-09 23:32:53,836 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-01-09 23:32:53,836 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-01-09 23:32:53,836 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,836 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,836 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,837 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,837 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,837 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,838 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-01-09 23:32:53,839 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,840 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-01-09 23:32:53,844 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:32:53,845 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-09 23:32:53,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 11:32:53 BoogieIcfgContainer [2022-01-09 23:32:53,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-09 23:32:53,884 INFO L158 Benchmark]: Toolchain (without parser) took 67313.90ms. Allocated memory was 173.0MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 117.5MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. [2022-01-09 23:32:53,884 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 173.0MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-09 23:32:53,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.82ms. Allocated memory was 173.0MB in the beginning and 230.7MB in the end (delta: 57.7MB). Free memory was 117.3MB in the beginning and 157.6MB in the end (delta: -40.2MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2022-01-09 23:32:53,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.41ms. Allocated memory is still 230.7MB. Free memory was 157.6MB in the beginning and 143.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-09 23:32:53,884 INFO L158 Benchmark]: Boogie Preprocessor took 118.23ms. Allocated memory is still 230.7MB. Free memory was 143.0MB in the beginning and 195.0MB in the end (delta: -52.0MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2022-01-09 23:32:53,885 INFO L158 Benchmark]: RCFGBuilder took 1243.59ms. Allocated memory is still 230.7MB. Free memory was 195.0MB in the beginning and 131.7MB in the end (delta: 63.3MB). Peak memory consumption was 81.1MB. Max. memory is 8.0GB. [2022-01-09 23:32:53,885 INFO L158 Benchmark]: TraceAbstraction took 65146.49ms. Allocated memory was 230.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 131.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. [2022-01-09 23:32:53,886 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 173.0MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 696.82ms. Allocated memory was 173.0MB in the beginning and 230.7MB in the end (delta: 57.7MB). Free memory was 117.3MB in the beginning and 157.6MB in the end (delta: -40.2MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.41ms. Allocated memory is still 230.7MB. Free memory was 157.6MB in the beginning and 143.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 118.23ms. Allocated memory is still 230.7MB. Free memory was 143.0MB in the beginning and 195.0MB in the end (delta: -52.0MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. * RCFGBuilder took 1243.59ms. Allocated memory is still 230.7MB. Free memory was 195.0MB in the beginning and 131.7MB in the end (delta: 63.3MB). Peak memory consumption was 81.1MB. Max. memory is 8.0GB. * TraceAbstraction took 65146.49ms. Allocated memory was 230.7MB in the beginning and 5.8GB in the end (delta: 5.6GB). Free memory was 131.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1633]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.1s, OverallIterations: 21, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4681 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4681 mSDsluCounter, 4194 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 828 mSDsCounter, 2076 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12567 IncrementalHoareTripleChecker+Invalid, 14643 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2076 mSolverCounterUnsat, 3366 mSDtfsCounter, 12567 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1980 GetRequests, 1940 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93894occurred in iteration=20, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 26394 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1231 NumberOfFragments, 877 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 11.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 49850 FormulaSimplificationTreeSizeReductionInter, 19.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 8161 NumberOfCodeBlocks, 8161 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8135 ConstructedInterpolants, 0 QuantifiedInterpolants, 29547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3161 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 4129/4345 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a27 == 1) && a0 == 1) || (((a5 == 1 && a11 == a6) && a3 == 1) && a12 <= 0)) || (((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == a6) && a27 == 1) && a0 == 1)) || (((a5 == 1 && a6 == 0) && a12 <= 0) && a0 == 1)) || (((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 0) && a27 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 <= 0) && a27 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a3 == 1) && a12 <= 0) && a27 == 1)) || (((a5 == 1 && a11 == a6) && a3 == 1) && a0 == 1)) || (a5 == 1 && !(a11 == 1))) || ((((a5 == 1 && a3 <= 0) && a11 == a6) && a12 <= 0) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 0)) || (((a25 == a11 && a5 == 1) && a11 == a6) && a3 == 1)) || ((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == a6) && a16 == 1) && a27 == 1)) || (((a5 == 1 && 2 <= a3) && a11 == a6) && a12 <= 0)) || ((((a5 == 1 && a3 <= 0) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && 2 <= a3) && a6 == 0) && a27 == 1)) || ((((a5 == 1 && a16 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == a6) && a12 <= 0) && a0 == 1) && a26 == a2)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a27 == 1) && a0 == 1)) || ((((a5 == 1 && 2 <= a3) && a6 == 0) && a27 == 1) && a0 == 1)) || (((a5 == 1 && 2 <= a3) && a11 == a6) && a26 == a2)) || ((((a5 == 1 && a6 == 0) && a3 == 1) && a27 == 1) && a0 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == a6)) || (((a5 == 1 && 2 <= a3) && a11 == a6) && a0 == 1)) || ((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == a6) && a27 == 1)) || (((a5 == 1 && 2 <= a3) && a6 == 0) && a12 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a27 == 1) && a0 == 1) || (((a5 == 1 && a11 == a6) && a3 == 1) && a12 <= 0)) || (((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == a6) && a27 == 1) && a0 == 1)) || (((a5 == 1 && a6 == 0) && a12 <= 0) && a0 == 1)) || (((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 0) && a27 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && a12 <= 0) && a27 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && a3 <= 0) && a16 == 1) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a3 == 1) && a12 <= 0) && a27 == 1)) || (((a5 == 1 && a11 == a6) && a3 == 1) && a0 == 1)) || (a5 == 1 && !(a11 == 1))) || ((((a5 == 1 && a3 <= 0) && a11 == a6) && a12 <= 0) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 0)) || (((a25 == a11 && a5 == 1) && a11 == a6) && a3 == 1)) || ((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == a6) && a16 == 1) && a27 == 1)) || (((a5 == 1 && 2 <= a3) && a11 == a6) && a12 <= 0)) || ((((a5 == 1 && a3 <= 0) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && 2 <= a3) && a6 == 0) && a27 == 1)) || ((((a5 == 1 && a16 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == a6) && a12 <= 0) && a0 == 1) && a26 == a2)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a27 == 1) && a0 == 1)) || ((((a5 == 1 && 2 <= a3) && a6 == 0) && a27 == 1) && a0 == 1)) || (((a5 == 1 && 2 <= a3) && a11 == a6) && a26 == a2)) || ((((a5 == 1 && a6 == 0) && a3 == 1) && a27 == 1) && a0 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == a6)) || (((a5 == 1 && 2 <= a3) && a11 == a6) && a0 == 1)) || ((((a26 == 1 && a5 == 1) && a3 <= 0) && a11 == a6) && a27 == 1)) || (((a5 == 1 && 2 <= a3) && a6 == 0) && a12 <= 0) RESULT: Ultimate proved your program to be correct! [2022-01-09 23:32:53,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...