/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt7.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 13:27:28,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 13:27:28,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 13:27:28,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 13:27:28,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 13:27:28,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 13:27:28,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 13:27:28,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 13:27:28,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 13:27:28,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 13:27:28,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 13:27:28,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 13:27:28,915 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 13:27:28,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 13:27:28,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 13:27:28,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 13:27:28,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 13:27:28,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 13:27:28,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 13:27:28,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 13:27:28,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 13:27:28,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-20 13:27:28,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 13:27:28,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 13:27:28,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 13:27:28,942 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 13:27:28,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 13:27:28,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 13:27:28,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 13:27:28,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 13:27:28,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 13:27:28,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 13:27:28,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:27:28,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 13:27:28,944 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 13:27:29,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 13:27:29,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 13:27:29,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 13:27:29,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 13:27:29,128 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 13:27:29,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt7.c [2022-03-20 13:27:29,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f157d8c8/58d81562e15d4fe4b1f24ce346fc5ac3/FLAG42dcf3174 [2022-03-20 13:27:29,511 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 13:27:29,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt7.c [2022-03-20 13:27:29,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f157d8c8/58d81562e15d4fe4b1f24ce346fc5ac3/FLAG42dcf3174 [2022-03-20 13:27:29,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f157d8c8/58d81562e15d4fe4b1f24ce346fc5ac3 [2022-03-20 13:27:29,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 13:27:29,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 13:27:29,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 13:27:29,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 13:27:29,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 13:27:29,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:27:29" (1/1) ... [2022-03-20 13:27:29,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2e112f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:29, skipping insertion in model container [2022-03-20 13:27:29,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:27:29" (1/1) ... [2022-03-20 13:27:29,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 13:27:29,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 13:27:30,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt7.c[403,416] [2022-03-20 13:27:30,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:27:30,149 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 13:27:30,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt7.c[403,416] [2022-03-20 13:27:30,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:27:30,178 INFO L208 MainTranslator]: Completed translation [2022-03-20 13:27:30,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30 WrapperNode [2022-03-20 13:27:30,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 13:27:30,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 13:27:30,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 13:27:30,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 13:27:30,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 13:27:30,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 13:27:30,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 13:27:30,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 13:27:30,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (1/1) ... [2022-03-20 13:27:30,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:27:30,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 13:27:30,245 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) [2022-03-20 13:27:30,267 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 [2022-03-20 13:27:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 13:27:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 13:27:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 13:27:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 13:27:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 13:27:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 13:27:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 13:27:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 13:27:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 13:27:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 13:27:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 13:27:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 13:27:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 13:27:30,325 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 13:27:30,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 13:27:39,161 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 13:27:39,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 13:27:39,165 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 13:27:39,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:27:39 BoogieIcfgContainer [2022-03-20 13:27:39,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 13:27:39,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 13:27:39,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 13:27:39,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 13:27:39,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 01:27:29" (1/3) ... [2022-03-20 13:27:39,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62418bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:27:39, skipping insertion in model container [2022-03-20 13:27:39,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:27:30" (2/3) ... [2022-03-20 13:27:39,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62418bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:27:39, skipping insertion in model container [2022-03-20 13:27:39,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:27:39" (3/3) ... [2022-03-20 13:27:39,182 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt7.c [2022-03-20 13:27:39,186 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 13:27:39,186 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 13:27:39,226 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 13:27:39,230 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-20 13:27:39,230 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 13:27:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 13:27:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-20 13:27:39,250 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:27:39,250 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:27:39,251 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:27:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:27:39,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1555439542, now seen corresponding path program 1 times [2022-03-20 13:27:39,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:27:39,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [52636773] [2022-03-20 13:27:39,298 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:27:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1555439542, now seen corresponding path program 2 times [2022-03-20 13:27:39,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:27:39,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229060413] [2022-03-20 13:27:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:27:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:27:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:27:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:27:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:27:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:27:39,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:27:39,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229060413] [2022-03-20 13:27:39,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229060413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:27:39,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:27:39,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 13:27:39,883 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:27:39,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [52636773] [2022-03-20 13:27:39,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [52636773] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:27:39,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:27:39,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 13:27:39,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717963841] [2022-03-20 13:27:39,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:27:39,889 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-20 13:27:39,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:27:39,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-20 13:27:39,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-20 13:27:39,907 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 21 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 13:27:42,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:44,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:46,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:48,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:50,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:53,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:53,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:27:53,250 INFO L93 Difference]: Finished difference Result 63 states and 89 transitions. [2022-03-20 13:27:53,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-20 13:27:53,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-03-20 13:27:53,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:27:53,256 INFO L225 Difference]: With dead ends: 63 [2022-03-20 13:27:53,256 INFO L226 Difference]: Without dead ends: 32 [2022-03-20 13:27:53,258 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-03-20 13:27:53,260 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 53 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 12 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-03-20 13:27:53,262 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 55 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 13.1s Time] [2022-03-20 13:27:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-03-20 13:27:53,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2022-03-20 13:27:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 23 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 13:27:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-03-20 13:27:53,297 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2022-03-20 13:27:53,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:27:53,298 INFO L478 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-03-20 13:27:53,298 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 13:27:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-03-20 13:27:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-20 13:27:53,299 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:27:53,300 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:27:53,300 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 13:27:53,300 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:27:53,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:27:53,301 INFO L85 PathProgramCache]: Analyzing trace with hash 2040977129, now seen corresponding path program 1 times [2022-03-20 13:27:53,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:27:53,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1075845370] [2022-03-20 13:27:53,304 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:27:53,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2040977129, now seen corresponding path program 2 times [2022-03-20 13:27:53,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:27:53,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912272253] [2022-03-20 13:27:53,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:27:53,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:27:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:27:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:27:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:27:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:27:53,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:27:53,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912272253] [2022-03-20 13:27:53,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912272253] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:27:53,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:27:53,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 13:27:53,599 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:27:53,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1075845370] [2022-03-20 13:27:53,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1075845370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:27:53,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:27:53,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 13:27:53,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991661408] [2022-03-20 13:27:53,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:27:53,600 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 13:27:53,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:27:53,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 13:27:53,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-03-20 13:27:53,601 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 13:27:55,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:27:57,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:28:00,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:28:02,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:28:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:28:02,412 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-03-20 13:28:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 13:28:02,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-03-20 13:28:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:28:02,414 INFO L225 Difference]: With dead ends: 45 [2022-03-20 13:28:02,415 INFO L226 Difference]: Without dead ends: 30 [2022-03-20 13:28:02,415 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-03-20 13:28:02,416 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 52 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-03-20 13:28:02,416 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 33 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2022-03-20 13:28:02,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-03-20 13:28:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-03-20 13:28:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 23 states have internal predecessors, (29), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 13:28:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-03-20 13:28:02,427 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 15 [2022-03-20 13:28:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:28:02,427 INFO L478 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-03-20 13:28:02,428 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 13:28:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-03-20 13:28:02,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-03-20 13:28:02,429 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:28:02,429 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:28:02,429 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 13:28:02,430 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:28:02,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:28:02,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1572266990, now seen corresponding path program 1 times [2022-03-20 13:28:02,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:28:02,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1684112513] [2022-03-20 13:30:15,766 WARN L232 SmtUtils]: Spent 2.22m on a formula simplification. DAG size of input: 150 DAG size of output: 148 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:30:15,770 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 13:30:15,771 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:30:15,772 INFO L85 PathProgramCache]: Analyzing trace with hash 738488328, now seen corresponding path program 1 times [2022-03-20 13:30:15,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:30:15,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787580600] [2022-03-20 13:30:15,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:30:15,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:30:15,787 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) 4294967296) 0) [2022-03-20 13:30:15,787 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 7)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0)) (- 7)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:30:15,788 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 6)) 7)) 613566756) 0) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_1_42.0) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) (- 7)) 0) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) 6) 0) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_1_42.0) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:30:15,789 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:30:15,790 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:30:15,790 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.0)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:30:15,792 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967295) main_~k~0_5) (* (- 1) main_~l~0_5) (* (- 4294967295) main_~j~0_5) (* (- 4294967295) main_~v2~0_5) (* (- 4294967295) main_~v1~0_5) (* (- 4294967295) main_~v3~0_5) (* (- 4294967295) main_~v4~0_5) (* (- 4294967295) main_~i~0_5) (* 4294967296 .aux_div_aux_mod_v_it_1_131_261.3) .aux_mod_aux_mod_v_it_1_131_261.2 (- 4294967295)) 0)) [2022-03-20 13:30:15,793 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967295 main_~k~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5) (* (- 4294967296) .aux_div_aux_mod_v_it_1_131_261.3) (* (- 1) .aux_mod_aux_mod_v_it_1_131_261.2)) 0)) [2022-03-20 13:30:15,793 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_aux_mod_v_it_1_131_261.3) .aux_mod_aux_mod_v_it_1_131_261.2 (* 4294967296 .aux_div_v_it_1_131.4) (* (- 1) main_~l~0_7) (* (- 4294967296) main_~k~0_5) (* (- 4294967296) main_~i~0_5) (* (- 4294967296) main_~v2~0_5) (* (- 4294967296) main_~v4~0_5) (* (- 4294967296) main_~v3~0_5) (* (- 4294967296) main_~v1~0_5) (* (- 4294967296) main_~j~0_5)) 0)) [2022-03-20 13:30:15,794 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (* 4294967296 .aux_div_aux_mod_v_it_1_131_261.3) (+ (* 4294967295 main_~k~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5))) [2022-03-20 13:30:15,794 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* 4294967296 main_~k~0_5) (* 4294967296 main_~i~0_5) (* 4294967296 main_~v2~0_5) (* 4294967296 main_~v4~0_5) (* 4294967296 main_~v3~0_5) (* 4294967296 main_~v1~0_5) (* 4294967296 main_~j~0_5) (* (- 4294967296) .aux_div_aux_mod_v_it_1_131_261.3) (* (- 1) .aux_mod_aux_mod_v_it_1_131_261.2) (* (- 4294967296) .aux_div_v_it_1_131.4) 2) 0)) [2022-03-20 13:30:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:30:15,847 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) 4294967296) 0) [2022-03-20 13:30:15,851 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:30:15,851 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5) 1) (- 7)) 0) [2022-03-20 13:30:15,851 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:30:15,851 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5)) (- 7)) 0) [2022-03-20 13:30:15,852 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:30:15,852 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (- 6)) 7)) 613566756) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_1_42.5) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) (- 7)) 0) [2022-03-20 13:30:15,853 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) 6) 0) [2022-03-20 13:30:15,854 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_1_42.5) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:30:15,854 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:30:15,854 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.6) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:30:15,854 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.5)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.5) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:30:15,856 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967295) main_~k~0_5) (* (- 1) main_~l~0_5) (* (- 4294967295) main_~j~0_5) (* (- 4294967295) main_~v2~0_5) (* (- 4294967295) main_~v1~0_5) (* (- 4294967295) main_~v3~0_5) (* (- 4294967295) main_~v4~0_5) (* (- 4294967295) main_~i~0_5) (* 4294967296 .aux_div_aux_mod_v_it_1_131_261.8) .aux_mod_aux_mod_v_it_1_131_261.7 (- 4294967295)) 0)) [2022-03-20 13:30:15,856 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967295 main_~k~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5) (* (- 4294967296) .aux_div_aux_mod_v_it_1_131_261.8) (* (- 1) .aux_mod_aux_mod_v_it_1_131_261.7)) 0)) [2022-03-20 13:30:15,856 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_aux_mod_v_it_1_131_261.8) .aux_mod_aux_mod_v_it_1_131_261.7 (* 4294967296 .aux_div_v_it_1_131.9) (* (- 1) main_~l~0_7) (* (- 4294967296) main_~k~0_5) (* (- 4294967296) main_~i~0_5) (* (- 4294967296) main_~v2~0_5) (* (- 4294967296) main_~v4~0_5) (* (- 4294967296) main_~v3~0_5) (* (- 4294967296) main_~v1~0_5) (* (- 4294967296) main_~j~0_5)) 0)) [2022-03-20 13:30:15,856 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (* 4294967296 .aux_div_aux_mod_v_it_1_131_261.8) (+ (* 4294967295 main_~k~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5))) [2022-03-20 13:30:15,856 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* 4294967296 main_~k~0_5) (* 4294967296 main_~i~0_5) (* 4294967296 main_~v2~0_5) (* 4294967296 main_~v4~0_5) (* 4294967296 main_~v3~0_5) (* 4294967296 main_~v1~0_5) (* 4294967296 main_~j~0_5) (* (- 4294967296) .aux_div_aux_mod_v_it_1_131_261.8) (* (- 1) .aux_mod_aux_mod_v_it_1_131_261.7) (* (- 4294967296) .aux_div_v_it_1_131.9) 2) 0)) [2022-03-20 13:30:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:30:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:30:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:30:16,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:30:16,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787580600] [2022-03-20 13:30:16,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787580600] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:30:16,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:30:16,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-20 13:30:49,872 WARN L232 SmtUtils]: Spent 18.05s on a formula simplification. DAG size of input: 88 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-20 13:30:50,042 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:30:50,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1684112513] [2022-03-20 13:30:50,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1684112513] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:30:50,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:30:50,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-03-20 13:30:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644487572] [2022-03-20 13:30:50,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:30:50,044 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-20 13:30:50,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:30:50,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-20 13:30:50,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=209, Unknown=6, NotChecked=0, Total=272 [2022-03-20 13:30:50,044 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:30:52,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:30:54,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:30:56,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:30:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:30:57,214 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2022-03-20 13:30:57,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-20 13:30:57,214 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-03-20 13:30:57,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:30:57,215 INFO L225 Difference]: With dead ends: 40 [2022-03-20 13:30:57,215 INFO L226 Difference]: Without dead ends: 38 [2022-03-20 13:30:57,216 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 34.0s TimeCoverageRelationStatistics Valid=118, Invalid=476, Unknown=6, NotChecked=0, Total=600 [2022-03-20 13:30:57,216 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-03-20 13:30:57,217 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 68 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 178 Invalid, 3 Unknown, 6 Unchecked, 6.7s Time] [2022-03-20 13:30:57,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-03-20 13:30:57,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2022-03-20 13:30:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 13:30:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-03-20 13:30:57,223 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 22 [2022-03-20 13:30:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:30:57,223 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-03-20 13:30:57,224 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:30:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-03-20 13:30:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-20 13:30:57,224 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:30:57,224 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:30:57,224 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 13:30:57,224 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:30:57,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:30:57,225 INFO L85 PathProgramCache]: Analyzing trace with hash -428644851, now seen corresponding path program 1 times [2022-03-20 13:30:57,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:30:57,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [267621303] [2022-03-20 13:33:03,634 WARN L232 SmtUtils]: Spent 2.11m on a formula simplification. DAG size of input: 139 DAG size of output: 137 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:33:03,636 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 13:33:03,637 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:33:03,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1938962281, now seen corresponding path program 1 times [2022-03-20 13:33:03,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:33:03,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076771093] [2022-03-20 13:33:03,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:33:03,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:33:03,677 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ .aux_mod_aux_mod_v_it_2_44_177.2 (* 4294967296 .aux_div_v_it_2_44.0) (* 4294967296 .aux_div_aux_mod_v_it_2_44_177.1) (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~l~0_7) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5) (* (- 4294967295) main_~l~0_5)) 0)) [2022-03-20 13:33:03,677 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967295 main_~l~0_5) (* (- 1) .aux_mod_aux_mod_v_it_2_44_177.2) (* (- 4294967296) .aux_div_aux_mod_v_it_2_44_177.1)) 0)) [2022-03-20 13:33:03,677 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967295 main_~l~0_5)) (* 4294967296 .aux_div_aux_mod_v_it_2_44_177.1)) [2022-03-20 13:33:03,677 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967296 main_~l~0_5) (* (- 1) .aux_mod_aux_mod_v_it_2_44_177.2) (* (- 4294967296) .aux_div_v_it_2_44.0) (* (- 4294967296) .aux_div_aux_mod_v_it_2_44_177.1) 2) 0)) [2022-03-20 13:33:03,677 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5) (* (- 4294967295) main_~l~0_5) .aux_mod_aux_mod_v_it_2_44_177.2 (* 4294967296 .aux_div_aux_mod_v_it_2_44_177.1) (- 4294967295)) 0)) [2022-03-20 13:33:03,678 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) 4294967296) 0) [2022-03-20 13:33:03,678 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7)) (- 7)) 0) [2022-03-20 13:33:03,678 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* (- 4294967296) .aux_div_v_it_2_42.4) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) 6) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7) 1) (- 7)) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.4) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:33:03,679 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* (- 4294967296) .aux_div_v_it_2_42.4) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* (- 4294967296) .aux_div_v_it_2_42.4) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* (- 4294967296) .aux_div_v_it_2_42.4) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.4) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.4) (- 6)) 7)) 613566756) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_2_42.4) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.4) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:33:03,680 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (- 4294967295)) (- 7)) 0) [2022-03-20 13:33:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:33:03,721 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ .aux_mod_aux_mod_v_it_2_44_177.7 (* 4294967296 .aux_div_v_it_2_44.5) (* 4294967296 .aux_div_aux_mod_v_it_2_44_177.6) (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~l~0_7) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5) (* (- 4294967295) main_~l~0_5)) 0)) [2022-03-20 13:33:03,722 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967295 main_~l~0_5) (* (- 1) .aux_mod_aux_mod_v_it_2_44_177.7) (* (- 4294967296) .aux_div_aux_mod_v_it_2_44_177.6)) 0)) [2022-03-20 13:33:03,722 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967295 main_~l~0_5)) (* 4294967296 .aux_div_aux_mod_v_it_2_44_177.6)) [2022-03-20 13:33:03,722 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967296 main_~l~0_5) (* (- 1) .aux_mod_aux_mod_v_it_2_44_177.7) (* (- 4294967296) .aux_div_v_it_2_44.5) (* (- 4294967296) .aux_div_aux_mod_v_it_2_44_177.6) 2) 0)) [2022-03-20 13:33:03,722 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5) (* (- 4294967295) main_~l~0_5) .aux_mod_aux_mod_v_it_2_44_177.7 (* 4294967296 .aux_div_aux_mod_v_it_2_44_177.6) (- 4294967295)) 0)) [2022-03-20 13:33:03,723 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) 4294967296) 0) [2022-03-20 13:33:03,723 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7)) (- 7)) 0) [2022-03-20 13:33:03,723 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* (- 4294967296) .aux_div_v_it_2_42.9) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:33:03,723 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:33:03,723 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:33:03,723 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) 6) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7) 1) (- 7)) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.9) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* (- 4294967296) .aux_div_v_it_2_42.9) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* (- 4294967296) .aux_div_v_it_2_42.9) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:33:03,724 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* (- 4294967296) .aux_div_v_it_2_42.9) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:33:03,725 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.9) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:33:03,725 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.9) (- 6)) 7)) 613566756) 0) [2022-03-20 13:33:03,725 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_2_42.9) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_2_42.9) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:33:03,725 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.8) (- 4294967295)) (- 7)) 0) [2022-03-20 13:33:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:33:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:33:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:33:03,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:33:03,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076771093] [2022-03-20 13:33:03,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076771093] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:33:03,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:33:03,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-20 13:33:34,481 WARN L232 SmtUtils]: Spent 19.32s on a formula simplification. DAG size of input: 88 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-20 13:33:34,658 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:33:34,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [267621303] [2022-03-20 13:33:34,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [267621303] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:33:34,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:33:34,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-03-20 13:33:34,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115753654] [2022-03-20 13:33:34,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:33:34,659 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-20 13:33:34,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:33:34,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-20 13:33:34,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=210, Unknown=5, NotChecked=0, Total=272 [2022-03-20 13:33:34,660 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 12 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:33:36,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:39,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:41,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:43,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:45,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:47,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:50,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:52,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:54,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:56,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:33:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:33:56,792 INFO L93 Difference]: Finished difference Result 64 states and 81 transitions. [2022-03-20 13:33:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-20 13:33:56,792 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 12 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-03-20 13:33:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:33:56,793 INFO L225 Difference]: With dead ends: 64 [2022-03-20 13:33:56,793 INFO L226 Difference]: Without dead ends: 41 [2022-03-20 13:33:56,793 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 30.8s TimeCoverageRelationStatistics Valid=157, Invalid=708, Unknown=5, NotChecked=0, Total=870 [2022-03-20 13:33:56,794 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 42 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 23 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-03-20 13:33:56,794 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 66 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 173 Invalid, 10 Unknown, 8 Unchecked, 21.8s Time] [2022-03-20 13:33:56,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-03-20 13:33:56,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-03-20 13:33:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-03-20 13:33:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2022-03-20 13:33:56,803 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 23 [2022-03-20 13:33:56,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:33:56,803 INFO L478 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2022-03-20 13:33:56,804 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 12 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:33:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-03-20 13:33:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-20 13:33:56,804 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:33:56,804 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:33:56,804 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 13:33:56,805 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:33:56,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:33:56,805 INFO L85 PathProgramCache]: Analyzing trace with hash 807048845, now seen corresponding path program 1 times [2022-03-20 13:33:56,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:33:56,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [307083156] [2022-03-20 13:35:47,335 WARN L232 SmtUtils]: Spent 1.84m on a formula simplification. DAG size of input: 139 DAG size of output: 137 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:35:47,338 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 13:35:47,339 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:35:47,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1518880131, now seen corresponding path program 1 times [2022-03-20 13:35:47,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:35:47,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063009098] [2022-03-20 13:35:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:35:47,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:35:47,345 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967295 main_~l~0_5) main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* (- 1) .aux_mod_aux_mod_v_it_3_44_177.2) (* (- 4294967296) .aux_div_aux_mod_v_it_3_44_177.1)) 0)) [2022-03-20 13:35:47,346 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967296 main_~l~0_5) (* (- 1) .aux_mod_aux_mod_v_it_3_44_177.2) (* (- 4294967296) .aux_div_v_it_3_44.0) (* (- 4294967296) .aux_div_aux_mod_v_it_3_44_177.1) 2) 0)) [2022-03-20 13:35:47,346 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (+ (* 4294967295 main_~l~0_5) main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5) (* 4294967296 .aux_div_aux_mod_v_it_3_44_177.1)) [2022-03-20 13:35:47,346 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967295) main_~l~0_5) (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5) .aux_mod_aux_mod_v_it_3_44_177.2 (* 4294967296 .aux_div_aux_mod_v_it_3_44_177.1) (- 4294967295)) 0)) [2022-03-20 13:35:47,346 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ .aux_mod_aux_mod_v_it_3_44_177.2 (* 4294967296 .aux_div_v_it_3_44.0) (* 4294967296 .aux_div_aux_mod_v_it_3_44_177.1) (* (- 4294967295) main_~l~0_5) (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~l~0_7) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5)) 0)) [2022-03-20 13:35:47,346 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7)) (- 7)) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) 1) (- 7)) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (* (- 4294967296) .aux_div_v_it_3_42.4) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.4) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) 6) 0) [2022-03-20 13:35:47,347 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (* (- 4294967296) .aux_div_v_it_3_42.4) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.4) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) 4294967296) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.4) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.4) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (* (- 4294967296) .aux_div_v_it_3_42.4) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967295)) (- 7)) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.3) (* (- 4294967296) .aux_div_v_it_3_42.4) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:35:47,348 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.4) (- 6)) 7)) 613566756) 0) [2022-03-20 13:35:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:35:47,383 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967295 main_~l~0_5) main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* (- 1) .aux_mod_aux_mod_v_it_3_44_177.7) (* (- 4294967296) .aux_div_aux_mod_v_it_3_44_177.6)) 0)) [2022-03-20 13:35:47,383 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5 (* 4294967296 main_~l~0_5) (* (- 1) .aux_mod_aux_mod_v_it_3_44_177.7) (* (- 4294967296) .aux_div_v_it_3_44.5) (* (- 4294967296) .aux_div_aux_mod_v_it_3_44_177.6) 2) 0)) [2022-03-20 13:35:47,383 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (+ (* 4294967295 main_~l~0_5) main_~i~0_5 main_~j~0_5 main_~k~0_5 main_~v1~0_5 main_~v2~0_5 main_~v3~0_5 main_~v4~0_5) (* 4294967296 .aux_div_aux_mod_v_it_3_44_177.6)) [2022-03-20 13:35:47,383 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967295) main_~l~0_5) (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5) .aux_mod_aux_mod_v_it_3_44_177.7 (* 4294967296 .aux_div_aux_mod_v_it_3_44_177.6) (- 4294967295)) 0)) [2022-03-20 13:35:47,383 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ .aux_mod_aux_mod_v_it_3_44_177.7 (* 4294967296 .aux_div_v_it_3_44.5) (* 4294967296 .aux_div_aux_mod_v_it_3_44_177.6) (* (- 4294967295) main_~l~0_5) (* (- 1) main_~i~0_5) (* (- 1) main_~j~0_5) (* (- 1) main_~k~0_5) (* (- 1) main_~l~0_7) (* (- 1) main_~v1~0_5) (* (- 1) main_~v2~0_5) (* (- 1) main_~v3~0_5) (* (- 1) main_~v4~0_5)) 0)) [2022-03-20 13:35:47,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:35:47,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:35:47,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:35:47,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:35:47,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7)) (- 7)) 0) [2022-03-20 13:35:47,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) 1) (- 7)) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (* (- 4294967296) .aux_div_v_it_3_42.9) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.9) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) 6) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (* (- 4294967296) .aux_div_v_it_3_42.9) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.9) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) 4294967296) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:35:47,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.9) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:35:47,386 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_v_it_3_42.9) (* (- 1) main_~l~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (* (- 4294967296) .aux_div_v_it_3_42.9) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:35:47,386 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967295)) (- 7)) 0) [2022-03-20 13:35:47,386 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.8) (* (- 4294967296) .aux_div_v_it_3_42.9) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:35:47,386 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_3_42.9) (- 6)) 7)) 613566756) 0) [2022-03-20 13:35:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:35:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:35:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:35:47,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:35:47,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063009098] [2022-03-20 13:35:47,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063009098] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:35:47,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:35:47,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-20 13:36:07,449 WARN L232 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 88 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-20 13:36:07,602 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:36:07,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [307083156] [2022-03-20 13:36:07,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [307083156] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:36:07,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:36:07,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-03-20 13:36:07,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762539776] [2022-03-20 13:36:07,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:36:07,603 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-20 13:36:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:36:07,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-20 13:36:07,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=211, Unknown=4, NotChecked=0, Total=272 [2022-03-20 13:36:07,604 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 12 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:36:09,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:12,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:14,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:16,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:18,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:20,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:22,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:25,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:36:25,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:36:25,171 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2022-03-20 13:36:25,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-20 13:36:25,171 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 12 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-03-20 13:36:25,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:36:25,172 INFO L225 Difference]: With dead ends: 54 [2022-03-20 13:36:25,172 INFO L226 Difference]: Without dead ends: 52 [2022-03-20 13:36:25,173 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=145, Invalid=663, Unknown=4, NotChecked=0, Total=812 [2022-03-20 13:36:25,173 INFO L913 BasicCegarLoop]: 16 mSDtfsCounter, 39 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 23 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-03-20 13:36:25,173 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 47 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 118 Invalid, 8 Unknown, 5 Unchecked, 17.2s Time] [2022-03-20 13:36:25,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-03-20 13:36:25,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-03-20 13:36:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-03-20 13:36:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-03-20 13:36:25,191 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 24 [2022-03-20 13:36:25,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:36:25,191 INFO L478 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-03-20 13:36:25,192 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 12 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:36:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-03-20 13:36:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-20 13:36:25,192 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:36:25,192 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:36:25,193 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-20 13:36:25,193 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:36:25,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:36:25,193 INFO L85 PathProgramCache]: Analyzing trace with hash 601993512, now seen corresponding path program 1 times [2022-03-20 13:36:25,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:36:25,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [868849178] [2022-03-20 13:38:41,598 WARN L232 SmtUtils]: Spent 2.27m on a formula simplification. DAG size of input: 150 DAG size of output: 148 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:38:41,600 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 13:38:41,601 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:38:41,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1501964466, now seen corresponding path program 1 times [2022-03-20 13:38:41,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:38:41,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679869568] [2022-03-20 13:38:41,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:38:41,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:38:41,607 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* 4294967296 main_~i~0_5) (* 4294967296 main_~v2~0_5) (* 4294967296 main_~j~0_5) (* 4294967296 main_~v1~0_5) (* 4294967296 main_~v4~0_5) (* 4294967296 main_~v3~0_5) (* 4294967296 main_~k~0_5) (* (- 4294967296) .aux_div_v_it_4_138.2) (* (- 1) .aux_mod_aux_mod_v_it_4_138_268.0) (* (- 4294967296) .aux_div_aux_mod_v_it_4_138_268.1) 2) 0)) [2022-03-20 13:38:41,607 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967295) main_~v1~0_5) (* (- 1) main_~l~0_5) (* (- 4294967295) main_~j~0_5) (* (- 4294967295) main_~v4~0_5) (* (- 4294967295) main_~v2~0_5) (* (- 4294967295) main_~v3~0_5) (* (- 4294967295) main_~i~0_5) (* (- 4294967295) main_~k~0_5) .aux_mod_aux_mod_v_it_4_138_268.0 (* 4294967296 .aux_div_aux_mod_v_it_4_138_268.1) (- 4294967295)) 0)) [2022-03-20 13:38:41,607 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_4_138.2) .aux_mod_aux_mod_v_it_4_138_268.0 (* 4294967296 .aux_div_aux_mod_v_it_4_138_268.1) (* (- 1) main_~l~0_7) (* (- 4294967296) main_~i~0_5) (* (- 4294967296) main_~v2~0_5) (* (- 4294967296) main_~j~0_5) (* (- 4294967296) main_~v1~0_5) (* (- 4294967296) main_~v4~0_5) (* (- 4294967296) main_~v3~0_5) (* (- 4294967296) main_~k~0_5)) 0)) [2022-03-20 13:38:41,608 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967295 main_~v1~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5) (* (- 1) .aux_mod_aux_mod_v_it_4_138_268.0) (* (- 4294967296) .aux_div_aux_mod_v_it_4_138_268.1)) 0)) [2022-03-20 13:38:41,608 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (* 4294967296 .aux_div_aux_mod_v_it_4_138_268.1) (+ (* 4294967295 main_~v1~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5))) [2022-03-20 13:38:41,608 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:38:41,608 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) 6) 0) [2022-03-20 13:38:41,608 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:38:41,608 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) 1) (- 7)) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_4_42.3) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 6)) 7)) 613566756) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) 4294967296) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3)) (- 7)) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:38:41,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:38:41,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:38:41,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:38:41,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) (- 4294967295)) (- 7)) 0) [2022-03-20 13:38:41,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_4_42.3) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:38:41,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.3)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.4) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.3) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:38:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:38:41,640 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* 4294967296 main_~i~0_5) (* 4294967296 main_~v2~0_5) (* 4294967296 main_~j~0_5) (* 4294967296 main_~v1~0_5) (* 4294967296 main_~v4~0_5) (* 4294967296 main_~v3~0_5) (* 4294967296 main_~k~0_5) (* (- 4294967296) .aux_div_v_it_4_138.7) (* (- 1) .aux_mod_aux_mod_v_it_4_138_268.5) (* (- 4294967296) .aux_div_aux_mod_v_it_4_138_268.6) 2) 0)) [2022-03-20 13:38:41,640 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967295) main_~v1~0_5) (* (- 1) main_~l~0_5) (* (- 4294967295) main_~j~0_5) (* (- 4294967295) main_~v4~0_5) (* (- 4294967295) main_~v2~0_5) (* (- 4294967295) main_~v3~0_5) (* (- 4294967295) main_~i~0_5) (* (- 4294967295) main_~k~0_5) .aux_mod_aux_mod_v_it_4_138_268.5 (* 4294967296 .aux_div_aux_mod_v_it_4_138_268.6) (- 4294967295)) 0)) [2022-03-20 13:38:41,640 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_4_138.7) .aux_mod_aux_mod_v_it_4_138_268.5 (* 4294967296 .aux_div_aux_mod_v_it_4_138_268.6) (* (- 1) main_~l~0_7) (* (- 4294967296) main_~i~0_5) (* (- 4294967296) main_~v2~0_5) (* (- 4294967296) main_~j~0_5) (* (- 4294967296) main_~v1~0_5) (* (- 4294967296) main_~v4~0_5) (* (- 4294967296) main_~v3~0_5) (* (- 4294967296) main_~k~0_5)) 0)) [2022-03-20 13:38:41,640 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967295 main_~v1~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5) (* (- 1) .aux_mod_aux_mod_v_it_4_138_268.5) (* (- 4294967296) .aux_div_aux_mod_v_it_4_138_268.6)) 0)) [2022-03-20 13:38:41,640 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (* 4294967296 .aux_div_aux_mod_v_it_4_138_268.6) (+ (* 4294967295 main_~v1~0_5) main_~l~0_5 (* 4294967295 main_~j~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~v3~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5))) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) 6) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) 1) (- 7)) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_4_42.8) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 6)) 7)) 613566756) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) 4294967296) 0) [2022-03-20 13:38:41,641 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8)) (- 7)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) (- 4294967295)) (- 7)) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_4_42.8) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:38:41,642 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_4_42.8)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_4_42_25_45.9) main_~l~0_5 (* (- 4294967296) .aux_div_v_it_4_42.8) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:38:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:38:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:38:42,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:38:42,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:38:42,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679869568] [2022-03-20 13:38:42,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679869568] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:38:42,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:38:42,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-20 13:38:55,535 WARN L232 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 41 DAG size of output: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-20 13:38:55,717 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:38:55,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [868849178] [2022-03-20 13:38:55,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [868849178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:38:55,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:38:55,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-20 13:38:55,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305421081] [2022-03-20 13:38:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:38:55,718 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-20 13:38:55,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:38:55,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-20 13:38:55,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=340, Unknown=3, NotChecked=0, Total=420 [2022-03-20 13:38:55,719 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 19 states, 16 states have (on average 1.1875) internal successors, (19), 13 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:38:58,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:39:00,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:39:02,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:39:04,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:39:07,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:39:09,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:39:09,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:39:09,560 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-03-20 13:39:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-20 13:39:09,560 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 1.1875) internal successors, (19), 13 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-03-20 13:39:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:39:09,561 INFO L225 Difference]: With dead ends: 67 [2022-03-20 13:39:09,561 INFO L226 Difference]: Without dead ends: 65 [2022-03-20 13:39:09,562 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=239, Invalid=1090, Unknown=3, NotChecked=0, Total=1332 [2022-03-20 13:39:09,562 INFO L913 BasicCegarLoop]: 12 mSDtfsCounter, 53 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 37 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-03-20 13:39:09,562 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 69 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 242 Invalid, 6 Unknown, 0 Unchecked, 13.3s Time] [2022-03-20 13:39:09,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-03-20 13:39:09,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2022-03-20 13:39:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.36) internal successors, (68), 50 states have internal predecessors, (68), 7 states have call successors, (7), 7 states have call predecessors, (7), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-03-20 13:39:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-03-20 13:39:09,572 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 25 [2022-03-20 13:39:09,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:39:09,572 INFO L478 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-03-20 13:39:09,572 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 1.1875) internal successors, (19), 13 states have internal predecessors, (19), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:39:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-03-20 13:39:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-20 13:39:09,573 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:39:09,573 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:39:09,573 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-20 13:39:09,573 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:39:09,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:39:09,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1316608760, now seen corresponding path program 1 times [2022-03-20 13:39:09,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:39:09,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1340130945] [2022-03-20 13:41:21,600 WARN L232 SmtUtils]: Spent 2.20m on a formula simplification. DAG size of input: 154 DAG size of output: 151 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:41:21,602 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-03-20 13:41:21,602 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:41:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1771917054, now seen corresponding path program 1 times [2022-03-20 13:41:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:41:21,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881040916] [2022-03-20 13:41:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:41:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 6)) 7)) 613566756) 0) [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) 6) 0) [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) 4294967296) 0) [2022-03-20 13:41:21,609 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967295)) (- 7)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7)) (- 7)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~v1~0_5 (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~l~0_5) (* (- 1) main_~v1~0_7) 1) 0)) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7) 1) (- 7)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:41:21,610 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~v1~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~j~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5) (* (- 1) .aux_mod_aux_mod_v_it_5_138_268.4) (* (- 4294967296) .aux_div_aux_mod_v_it_5_138_268.2)) 0)) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (+ main_~l~0_5 (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~j~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5)) (* 4294967296 .aux_div_aux_mod_v_it_5_138_268.2)) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_5_138.3) .aux_mod_aux_mod_v_it_5_138_268.4 (* 4294967296 .aux_div_aux_mod_v_it_5_138_268.2) (* (- 4294967296) main_~i~0_5) (* (- 1) main_~l~0_5) (* (- 4294967296) main_~v2~0_5) (* (- 1) main_~v1~0_7) (* (- 4294967295) main_~v1~0_5) (* (- 4294967296) main_~v3~0_5) (* (- 4294967296) main_~j~0_5) (* (- 4294967296) main_~k~0_5) (* (- 4294967296) main_~v4~0_5)) 0)) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 main_~i~0_5) main_~l~0_5 (* 4294967296 main_~v2~0_5) (* 4294967296 main_~v3~0_5) (* 4294967296 main_~j~0_5) (* 4294967296 main_~k~0_5) (* 4294967296 main_~v1~0_5) (* 4294967296 main_~v4~0_5) (* (- 4294967296) .aux_div_v_it_5_138.3) (* (- 1) .aux_mod_aux_mod_v_it_5_138_268.4) (* (- 4294967296) .aux_div_aux_mod_v_it_5_138_268.2) 2) 0)) [2022-03-20 13:41:21,611 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 1) main_~l~0_5) (* (- 4294967295) main_~v3~0_5) (* (- 4294967295) main_~v2~0_5) (* (- 4294967295) main_~j~0_5) (* (- 4294967295) main_~v1~0_5) (* (- 4294967295) main_~v4~0_5) (* (- 4294967295) main_~i~0_5) (* (- 4294967295) main_~k~0_5) .aux_mod_aux_mod_v_it_5_138_268.4 (* 4294967296 .aux_div_aux_mod_v_it_5_138_268.2) (- 4294967295)) 0)) [2022-03-20 13:41:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:41:21,630 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* (- 4294967296) .aux_div_v_it_5_42.5) (- 4294967295)) 7)) 613566756) 0) [2022-03-20 13:41:21,630 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.5) (- 6)) 7)) 613566756) 0) [2022-03-20 13:41:21,630 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) 6) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7) 1) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.5) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) 4294967296) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967295)) (- 7)) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967295)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7)) (- 7)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967296)) 7)) (- 1)) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967296)) 7)) 613566756) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7)) (- 7)) 0) [2022-03-20 13:41:21,631 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* (- 4294967296) .aux_div_v_it_5_42.5) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:41:21,632 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~v1~0_5 (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~l~0_5) (* (- 1) main_~v1~0_7) 1) 0)) [2022-03-20 13:41:21,632 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7) 1) (- 7)) 0) [2022-03-20 13:41:21,632 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7) 1) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.5) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:41:21,632 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* (- 4294967296) .aux_div_v_it_5_42.5) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:41:21,632 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (- 4294967295)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.6) (* (- 4294967296) .aux_div_v_it_5_42.5) (- 4294967295)) 7)) (- 1)) 0) [2022-03-20 13:41:21,632 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ main_~v1~0_5 (* (- 1) main_~l~0_5) (* 4294967296 .aux_div_v_it_5_42.5) (* (- 1) main_~v1~0_7)) (- 7)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_5_42.5) (- 6)) 7)) (- 1)) 0) [2022-03-20 13:41:21,633 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~j~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5) (* (- 1) .aux_mod_aux_mod_v_it_5_138_268.9) (* (- 4294967296) .aux_div_aux_mod_v_it_5_138_268.7)) 0)) [2022-03-20 13:41:21,633 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (+ main_~l~0_5 (* 4294967295 main_~v3~0_5) (* 4294967295 main_~v2~0_5) (* 4294967295 main_~j~0_5) (* 4294967295 main_~v1~0_5) (* 4294967295 main_~v4~0_5) (* 4294967295 main_~i~0_5) (* 4294967295 main_~k~0_5)) (* 4294967296 .aux_div_aux_mod_v_it_5_138_268.7)) [2022-03-20 13:41:21,633 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_5_138.8) .aux_mod_aux_mod_v_it_5_138_268.9 (* 4294967296 .aux_div_aux_mod_v_it_5_138_268.7) (* (- 4294967296) main_~i~0_5) (* (- 1) main_~l~0_5) (* (- 4294967296) main_~v2~0_5) (* (- 1) main_~v1~0_7) (* (- 4294967295) main_~v1~0_5) (* (- 4294967296) main_~v3~0_5) (* (- 4294967296) main_~j~0_5) (* (- 4294967296) main_~k~0_5) (* (- 4294967296) main_~v4~0_5)) 0)) [2022-03-20 13:41:21,634 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 main_~i~0_5) main_~l~0_5 (* 4294967296 main_~v2~0_5) (* 4294967296 main_~v3~0_5) (* 4294967296 main_~j~0_5) (* 4294967296 main_~k~0_5) (* 4294967296 main_~v1~0_5) (* 4294967296 main_~v4~0_5) (* (- 4294967296) .aux_div_v_it_5_138.8) (* (- 1) .aux_mod_aux_mod_v_it_5_138_268.9) (* (- 4294967296) .aux_div_aux_mod_v_it_5_138_268.7) 2) 0)) [2022-03-20 13:41:21,634 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 1) main_~l~0_5) (* (- 4294967295) main_~v3~0_5) (* (- 4294967295) main_~v2~0_5) (* (- 4294967295) main_~j~0_5) (* (- 4294967295) main_~v1~0_5) (* (- 4294967295) main_~v4~0_5) (* (- 4294967295) main_~i~0_5) (* (- 4294967295) main_~k~0_5) .aux_mod_aux_mod_v_it_5_138_268.9 (* 4294967296 .aux_div_aux_mod_v_it_5_138_268.7) (- 4294967295)) 0)) [2022-03-20 13:41:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:41:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:41:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 13:41:21,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:41:21,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881040916] [2022-03-20 13:41:21,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881040916] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:41:21,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:41:21,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-20 13:41:24,356 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_main_~l~0 4294967296))) (and (let ((.cse0 (+ (- 1) c_main_~v1~0))) (or (and (= .cse0 0) (= c_main_~l~0 0)) (and (= .cse0 c_main_~l~0) (< 1 c_main_~v1~0) (< c_main_~v1~0 3)))) (= c_main_~i~0 0) (= c_main_~v4~0 0) (= c_main_~v2~0 0) (< .cse1 (mod c_main_~n~0 4294967296)) (= (mod (mod .cse1 7) 4294967296) 0) (= c_main_~v3~0 0) (= c_main_~j~0 0) (= c_main_~k~0 0))) is different from true [2022-03-20 13:41:26,490 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (mod (+ 4294967295 c_main_~l~0) 4294967296))) (and (let ((.cse0 (+ (- 1) c_main_~v1~0)) (.cse1 (+ (- 1) c_main_~l~0))) (or (and (= .cse0 0) (= .cse1 0)) (and (< 1 c_main_~v1~0) (< c_main_~v1~0 3) (= .cse0 .cse1)))) (= c_main_~i~0 0) (= c_main_~v4~0 0) (= c_main_~v2~0 0) (= (mod (mod .cse2 7) 4294967296) 0) (< .cse2 (mod c_main_~n~0 4294967296)) (= c_main_~v3~0 0) (= c_main_~j~0 0) (= c_main_~k~0 0))) is different from false [2022-03-20 13:41:27,325 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:41:27,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1340130945] [2022-03-20 13:41:27,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1340130945] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:41:27,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:41:27,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-20 13:41:27,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387484306] [2022-03-20 13:41:27,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:41:27,326 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-20 13:41:27,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:41:27,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-20 13:41:27,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=188, Unknown=2, NotChecked=58, Total=306 [2022-03-20 13:41:27,327 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 17 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 13 states have internal predecessors, (20), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 13:41:55,296 WARN L232 SmtUtils]: Spent 27.88s on a formula simplification. DAG size of input: 54 DAG size of output: 34 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)