/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/sumt5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 13:26:21,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 13:26:21,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 13:26:21,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 13:26:21,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 13:26:21,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 13:26:21,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 13:26:21,900 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 13:26:21,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 13:26:21,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 13:26:21,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 13:26:21,912 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 13:26:21,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 13:26:21,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 13:26:21,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 13:26:21,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 13:26:21,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 13:26:21,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 13:26:21,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 13:26:21,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 13:26:21,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:26:21,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 13:26:21,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-20 13:26:21,915 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-20 13:26:21,915 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-20 13:26:21,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 13:26:21,915 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-20 13:26:21,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 13:26:22,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 13:26:22,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 13:26:22,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 13:26:22,122 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 13:26:22,123 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 13:26:22,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt5.c [2022-03-20 13:26:22,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b10d68d1/fe1e57b41dd8449fa2db673765932726/FLAGc770f57c9 [2022-03-20 13:26:22,523 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 13:26:22,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt5.c [2022-03-20 13:26:22,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b10d68d1/fe1e57b41dd8449fa2db673765932726/FLAGc770f57c9 [2022-03-20 13:26:22,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b10d68d1/fe1e57b41dd8449fa2db673765932726 [2022-03-20 13:26:22,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 13:26:22,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-20 13:26:22,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 13:26:22,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 13:26:22,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 13:26:22,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:26:22" (1/1) ... [2022-03-20 13:26:22,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b28367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:22, skipping insertion in model container [2022-03-20 13:26:22,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 01:26:22" (1/1) ... [2022-03-20 13:26:22,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 13:26:22,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 13:26:23,111 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/sumt5.c[403,416] [2022-03-20 13:26:23,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:26:23,133 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 13:26:23,142 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/sumt5.c[403,416] [2022-03-20 13:26:23,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 13:26:23,158 INFO L208 MainTranslator]: Completed translation [2022-03-20 13:26:23,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23 WrapperNode [2022-03-20 13:26:23,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 13:26:23,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 13:26:23,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 13:26:23,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 13:26:23,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 13:26:23,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 13:26:23,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 13:26:23,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 13:26:23,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (1/1) ... [2022-03-20 13:26:23,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 13:26:23,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 13:26:23,222 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 13:26:23,227 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 13:26:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 13:26:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 13:26:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 13:26:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 13:26:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 13:26:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 13:26:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 13:26:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 13:26:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 13:26:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 13:26:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 13:26:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 13:26:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 13:26:23,309 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 13:26:23,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 13:26:27,796 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 13:26:27,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 13:26:27,802 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-20 13:26:27,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:26:27 BoogieIcfgContainer [2022-03-20 13:26:27,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 13:26:27,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 13:26:27,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 13:26:27,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 13:26:27,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 01:26:22" (1/3) ... [2022-03-20 13:26:27,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7bc265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:26:27, skipping insertion in model container [2022-03-20 13:26:27,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 01:26:23" (2/3) ... [2022-03-20 13:26:27,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7bc265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 01:26:27, skipping insertion in model container [2022-03-20 13:26:27,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 01:26:27" (3/3) ... [2022-03-20 13:26:27,812 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt5.c [2022-03-20 13:26:27,817 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-20 13:26:27,817 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 13:26:27,852 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 13:26:27,858 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 13:26:27,859 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 13:26:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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 13:26:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-20 13:26:27,876 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:26:27,877 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:26:27,877 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:26:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:26:27,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1530412705, now seen corresponding path program 1 times [2022-03-20 13:26:27,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:26:27,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1892320609] [2022-03-20 13:26:27,899 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-20 13:26:27,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1530412705, now seen corresponding path program 2 times [2022-03-20 13:26:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:26:27,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994967265] [2022-03-20 13:26:27,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:26:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:26:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:26:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:26:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:26:28,424 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 13:26:28,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:26:28,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994967265] [2022-03-20 13:26:28,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994967265] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:26:28,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:26:28,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 13:26:28,428 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:26:28,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1892320609] [2022-03-20 13:26:28,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1892320609] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:26:28,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:26:28,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 13:26:28,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313115510] [2022-03-20 13:26:28,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:26:28,434 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 13:26:28,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:26:28,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 13:26:28,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 13:26:28,458 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 13:26:30,581 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 13:26:32,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:26:34,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:26:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:26:35,205 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2022-03-20 13:26:35,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 13:26:35,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 12 [2022-03-20 13:26:35,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:26:35,212 INFO L225 Difference]: With dead ends: 47 [2022-03-20 13:26:35,212 INFO L226 Difference]: Without dead ends: 20 [2022-03-20 13:26:35,215 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-20 13:26:35,219 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 35 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-03-20 13:26:35,221 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 46 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2022-03-20 13:26:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-03-20 13:26:35,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-03-20 13:26:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 13:26:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-03-20 13:26:35,261 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2022-03-20 13:26:35,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:26:35,264 INFO L478 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-03-20 13:26:35,265 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 13:26:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-03-20 13:26:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-20 13:26:35,266 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:26:35,267 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:26:35,267 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 13:26:35,267 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:26:35,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:26:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1637920365, now seen corresponding path program 1 times [2022-03-20 13:26:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:26:35,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1218871000] [2022-03-20 13:28:37,414 WARN L232 SmtUtils]: Spent 2.03m on a formula simplification. DAG size of input: 94 DAG size of output: 92 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:28:37,421 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 13:28:37,423 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:28:37,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1749993697, now seen corresponding path program 1 times [2022-03-20 13:28:37,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:28:37,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039719951] [2022-03-20 13:28:37,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:28:37,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:28:37,441 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 13:28:37,442 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 5)) 0) [2022-03-20 13:28:37,442 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 5)) (* (- 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)) 5)) (- 1)) 0) [2022-03-20 13:28:37,442 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)) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:28:37,442 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)) (- 5)) (* (- 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)) 5)) (- 1)) 0) [2022-03-20 13:28:37,443 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)) 5)) 858993459) 0) [2022-03-20 13:28:37,443 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:28:37,443 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)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:28:37,443 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) 4) 0) [2022-03-20 13:28:37,443 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)) 5)) 858993459) 0) [2022-03-20 13:28:37,443 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) (- 4)) 5)) 858993459) 0) [2022-03-20 13:28:37,444 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)) (- 5)) 0) [2022-03-20 13:28:37,444 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 13:28:37,444 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)) (- 5)) (* (- 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)) 5)) (- 1)) 0) [2022-03-20 13:28:37,444 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 13:28:37,444 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)) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.0) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:28:37,445 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (* 4294967296 .aux_div_v_it_1_42.0) 1) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:28:37,445 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)) (- 5)) 0) [2022-03-20 13:28:37,445 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)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.1) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:28:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:28:37,495 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) 4294967296) 0) [2022-03-20 13:28:37,495 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (* 4294967296 .aux_div_v_it_1_42.2) 1) (- 5)) 0) [2022-03-20 13:28:37,495 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (* 4294967296 .aux_div_v_it_1_42.2) 1) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:28:37,496 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.2)) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:28:37,496 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_45.3) (- 4294967295)) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:28:37,496 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967295)) 5)) 858993459) 0) [2022-03-20 13:28:37,496 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (* 4294967296 .aux_div_v_it_1_42.2) 1) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:28:37,496 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.2)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:28:37,497 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) 4) 0) [2022-03-20 13:28:37,497 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_45.3) (- 4294967296)) 5)) 858993459) 0) [2022-03-20 13:28:37,497 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (- 4)) 5)) 858993459) 0) [2022-03-20 13:28:37,497 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.2)) (- 5)) 0) [2022-03-20 13:28:37,497 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_1_42.2) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:28:37,497 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_v_it_1_42.2)) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:28:37,498 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_1_42.2) (* (- 1) main_~l~0_5) 4294967295) 0) [2022-03-20 13:28:37,498 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_45.3) (- 4294967295)) (- 5)) (* (- 1) (div (+ main_~l~0_5 (* (- 4294967296) .aux_div_v_it_1_42.2) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:28:37,498 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_7) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (* 4294967296 .aux_div_v_it_1_42.2) 1) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:28:37,498 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_45.3) (- 4294967295)) (- 5)) 0) [2022-03-20 13:28:37,498 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_45.3) (- 4294967295)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_1_42_25_45.3) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:28:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:28:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:28:38,023 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 13:28:38,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:28:38,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039719951] [2022-03-20 13:28:38,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039719951] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:28:38,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:28:38,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 13:28:41,009 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~l~0 4294967296))) (and (= (mod (mod .cse0 5) 4294967296) 0) (let ((.cse1 (+ c_main_~v3~0 (- 1)))) (or (and (< 0 c_main_~l~0) (= c_main_~l~0 .cse1) (forall ((aux_div_v_it_1_42 Int) (aux_div_aux_mod_aux_mod_v_it_1_42_25_45 Int)) (let ((.cse14 (* aux_div_v_it_1_42 (- 4294967296))) (.cse15 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 (- 4294967296)))) (let ((.cse11 (div (+ .cse15 (- 4294967296)) 5)) (.cse2 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 4294967296)) (.cse12 (div (+ .cse14 .cse15 (- 4294967295)) 5)) (.cse10 (div (+ .cse14 (- 4)) 5)) (.cse6 (* aux_div_v_it_1_42 4294967296)) (.cse13 (* (- 1) c_main_~l~0))) (let ((.cse5 (div (+ .cse6 .cse13) (- 5))) (.cse4 (+ .cse10 1)) (.cse7 (+ .cse12 1)) (.cse3 (div (+ .cse2 .cse6 .cse13 1) (- 5))) (.cse9 (div (+ .cse2 (- 4294967295)) (- 5))) (.cse8 (+ .cse11 1))) (or (<= (+ .cse2 4294967296) 0) (<= .cse3 .cse4) (<= .cse5 .cse4) (< c_main_~l~0 (+ .cse6 1)) (<= .cse5 .cse7) (<= .cse5 .cse8) (<= .cse5 0) (<= .cse3 .cse7) (<= .cse9 .cse4) (<= 4 .cse2) (<= 858993459 .cse10) (<= 858993459 .cse11) (<= .cse3 .cse8) (<= (+ 4294967295 .cse6) 0) (<= .cse9 .cse7) (<= .cse3 0) (<= .cse9 0) (<= 858993459 .cse12) (<= .cse9 .cse8))))))) (and (= c_main_~l~0 0) (= .cse1 0)))) (= c_main_~i~0 0) (= c_main_~v4~0 0) (< .cse0 (mod c_main_~n~0 4294967296)) (= c_main_~j~0 0) (= c_main_~k~0 0))) is different from false [2022-03-20 13:28:43,193 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~l~0 4294967296))) (and (= (mod (mod .cse0 5) 4294967296) 0) (let ((.cse1 (+ c_main_~v3~0 (- 1)))) (or (and (< 0 c_main_~l~0) (= c_main_~l~0 .cse1) (forall ((aux_div_v_it_1_42 Int) (aux_div_aux_mod_aux_mod_v_it_1_42_25_45 Int)) (let ((.cse14 (* aux_div_v_it_1_42 (- 4294967296))) (.cse15 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 (- 4294967296)))) (let ((.cse11 (div (+ .cse15 (- 4294967296)) 5)) (.cse2 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 4294967296)) (.cse12 (div (+ .cse14 .cse15 (- 4294967295)) 5)) (.cse10 (div (+ .cse14 (- 4)) 5)) (.cse6 (* aux_div_v_it_1_42 4294967296)) (.cse13 (* (- 1) c_main_~l~0))) (let ((.cse5 (div (+ .cse6 .cse13) (- 5))) (.cse4 (+ .cse10 1)) (.cse7 (+ .cse12 1)) (.cse3 (div (+ .cse2 .cse6 .cse13 1) (- 5))) (.cse9 (div (+ .cse2 (- 4294967295)) (- 5))) (.cse8 (+ .cse11 1))) (or (<= (+ .cse2 4294967296) 0) (<= .cse3 .cse4) (<= .cse5 .cse4) (< c_main_~l~0 (+ .cse6 1)) (<= .cse5 .cse7) (<= .cse5 .cse8) (<= .cse5 0) (<= .cse3 .cse7) (<= .cse9 .cse4) (<= 4 .cse2) (<= 858993459 .cse10) (<= 858993459 .cse11) (<= .cse3 .cse8) (<= (+ 4294967295 .cse6) 0) (<= .cse9 .cse7) (<= .cse3 0) (<= .cse9 0) (<= 858993459 .cse12) (<= .cse9 .cse8))))))) (and (= c_main_~l~0 0) (= .cse1 0)))) (= c_main_~i~0 0) (= c_main_~v4~0 0) (< .cse0 (mod c_main_~n~0 4294967296)) (= c_main_~j~0 0) (= c_main_~k~0 0))) is different from true [2022-03-20 13:28:45,385 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse16 (mod (+ 4294967295 c_main_~l~0) 4294967296))) (and (let ((.cse0 (+ (- 1) c_main_~l~0)) (.cse1 (+ c_main_~v3~0 (- 1)))) (or (and (= .cse0 0) (= .cse1 0)) (and (= .cse0 .cse1) (forall ((aux_div_v_it_1_42 Int) (aux_div_aux_mod_aux_mod_v_it_1_42_25_45 Int)) (let ((.cse14 (* aux_div_v_it_1_42 (- 4294967296))) (.cse15 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 (- 4294967296)))) (let ((.cse9 (div (+ .cse15 (- 4294967296)) 5)) (.cse12 (div (+ .cse14 .cse15 (- 4294967295)) 5)) (.cse8 (div (+ .cse14 (- 4)) 5)) (.cse2 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 4294967296)) (.cse11 (* aux_div_v_it_1_42 4294967296)) (.cse13 (* (- 1) c_main_~l~0))) (let ((.cse7 (div (+ 2 .cse2 .cse11 .cse13) (- 5))) (.cse4 (+ .cse8 1)) (.cse3 (div (+ .cse11 .cse13 1) (- 5))) (.cse5 (+ .cse12 1)) (.cse6 (div (+ .cse2 (- 4294967295)) (- 5))) (.cse10 (+ .cse9 1))) (or (<= (+ .cse2 4294967296) 0) (<= .cse3 .cse4) (<= .cse3 .cse5) (<= .cse3 0) (<= .cse6 .cse4) (<= 4 .cse2) (<= .cse7 0) (<= 858993459 .cse8) (<= 858993459 .cse9) (<= .cse7 .cse5) (<= .cse7 .cse10) (<= .cse7 .cse4) (<= .cse3 .cse10) (<= (+ 4294967295 .cse11) 0) (< c_main_~l~0 (+ 2 .cse11)) (<= .cse6 .cse5) (<= .cse6 0) (<= 858993459 .cse12) (<= .cse6 .cse10)))))) (< 1 c_main_~l~0)))) (= c_main_~i~0 0) (= c_main_~v4~0 0) (< .cse16 (mod c_main_~n~0 4294967296)) (= (mod (mod .cse16 5) 4294967296) 0) (= c_main_~j~0 0) (= c_main_~k~0 0))) is different from false [2022-03-20 13:28:45,394 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:28:45,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1218871000] [2022-03-20 13:28:45,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1218871000] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:28:45,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:28:45,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-20 13:28:45,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161301578] [2022-03-20 13:28:45,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:28:45,396 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-20 13:28:45,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:28:45,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-20 13:28:45,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=65, Unknown=3, NotChecked=34, Total=132 [2022-03-20 13:28:45,397 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 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 13:28:47,694 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~l~0 4294967296))) (and (= |c_#NULL.base| |c_old(#NULL.base)|) (= (mod (mod .cse0 5) 4294967296) 0) (let ((.cse1 (+ c_main_~v3~0 (- 1)))) (or (and (< 0 c_main_~l~0) (= c_main_~l~0 .cse1) (forall ((aux_div_v_it_1_42 Int) (aux_div_aux_mod_aux_mod_v_it_1_42_25_45 Int)) (let ((.cse14 (* aux_div_v_it_1_42 (- 4294967296))) (.cse15 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 (- 4294967296)))) (let ((.cse11 (div (+ .cse15 (- 4294967296)) 5)) (.cse2 (* aux_div_aux_mod_aux_mod_v_it_1_42_25_45 4294967296)) (.cse12 (div (+ .cse14 .cse15 (- 4294967295)) 5)) (.cse10 (div (+ .cse14 (- 4)) 5)) (.cse6 (* aux_div_v_it_1_42 4294967296)) (.cse13 (* (- 1) c_main_~l~0))) (let ((.cse5 (div (+ .cse6 .cse13) (- 5))) (.cse4 (+ .cse10 1)) (.cse7 (+ .cse12 1)) (.cse3 (div (+ .cse2 .cse6 .cse13 1) (- 5))) (.cse9 (div (+ .cse2 (- 4294967295)) (- 5))) (.cse8 (+ .cse11 1))) (or (<= (+ .cse2 4294967296) 0) (<= .cse3 .cse4) (<= .cse5 .cse4) (< c_main_~l~0 (+ .cse6 1)) (<= .cse5 .cse7) (<= .cse5 .cse8) (<= .cse5 0) (<= .cse3 .cse7) (<= .cse9 .cse4) (<= 4 .cse2) (<= 858993459 .cse10) (<= 858993459 .cse11) (<= .cse3 .cse8) (<= (+ 4294967295 .cse6) 0) (<= .cse9 .cse7) (<= .cse3 0) (<= .cse9 0) (<= 858993459 .cse12) (<= .cse9 .cse8))))))) (and (= c_main_~l~0 0) (= .cse1 0)))) (= c_main_~i~0 0) (= c_main_~v4~0 0) (< .cse0 (mod c_main_~n~0 4294967296)) (= c_main_~j~0 0) (= |c_#NULL.offset| |c_old(#NULL.offset)|) (= |c_old(~SIZE~0)| c_~SIZE~0) (= c_main_~k~0 0))) is different from false [2022-03-20 13:28:49,707 WARN L534 Checker$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 13:28:51,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:28:54,100 WARN L534 Checker$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 13:28:54,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:28:54,389 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-03-20 13:28:54,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-20 13:28:54,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 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 15 [2022-03-20 13:28:54,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:28:54,390 INFO L225 Difference]: With dead ends: 28 [2022-03-20 13:28:54,390 INFO L226 Difference]: Without dead ends: 23 [2022-03-20 13:28:54,391 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=58, Invalid=132, Unknown=4, NotChecked=78, Total=272 [2022-03-20 13:28:54,392 INFO L913 BasicCegarLoop]: 18 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 64 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-03-20 13:28:54,392 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 58 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 3 Unknown, 64 Unchecked, 6.7s Time] [2022-03-20 13:28:54,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-03-20 13:28:54,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-03-20 13:28:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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 13:28:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-03-20 13:28:54,400 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 15 [2022-03-20 13:28:54,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:28:54,401 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-03-20 13:28:54,401 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 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 13:28:54,401 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-03-20 13:28:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-20 13:28:54,401 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:28:54,402 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:28:54,402 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 13:28:54,402 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:28:54,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:28:54,402 INFO L85 PathProgramCache]: Analyzing trace with hash -469553554, now seen corresponding path program 1 times [2022-03-20 13:28:54,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:28:54,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1039938101] [2022-03-20 13:30:34,395 WARN L232 SmtUtils]: Spent 1.67m on a formula simplification. DAG size of input: 76 DAG size of output: 63 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:30:34,396 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 13:30:34,396 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:30:34,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1809099041, now seen corresponding path program 1 times [2022-03-20 13:30:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:30:34,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957139636] [2022-03-20 13:30:34,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:30:34,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:30:34,405 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.0) (* 4294967296 .aux_div_v_it_2_42.1) (* 5 .aux_div_aux_mod_v_it_2_42_25.2) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:30:34,406 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.0) 0)) [2022-03-20 13:30:34,406 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.0) 5) 0) [2022-03-20 13:30:34,406 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.0) (* (- 5) .aux_div_aux_mod_v_it_2_42_25.2) 4294967296) 0) [2022-03-20 13:30:34,406 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_5 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.0) (* (- 4294967296) .aux_div_v_it_2_42.1) (* (- 5) .aux_div_aux_mod_v_it_2_42_25.2) 1) 0)) [2022-03-20 13:30:34,406 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.0) (* (- 5) .aux_div_aux_mod_v_it_2_42_25.2)) 0)) [2022-03-20 13:30:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:30:34,438 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* 4294967296 .aux_div_v_it_2_42.4) (* 5 .aux_div_aux_mod_v_it_2_42_25.5) (* (- 1) main_~l~0_7) 1) 0)) [2022-03-20 13:30:34,438 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) 0)) [2022-03-20 13:30:34,438 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) 5) 0) [2022-03-20 13:30:34,438 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) (* (- 5) .aux_div_aux_mod_v_it_2_42_25.5) 4294967296) 0) [2022-03-20 13:30:34,438 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ 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) (* (- 5) .aux_div_aux_mod_v_it_2_42_25.5) 1) 0)) [2022-03-20 13:30:34,439 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_2_42_25_45.3) (* (- 5) .aux_div_aux_mod_v_it_2_42_25.5)) 0)) [2022-03-20 13:30:34,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:30:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:30:34,744 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 13:30:34,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:30:34,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957139636] [2022-03-20 13:30:34,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957139636] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:30:34,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:30:34,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 13:30:34,809 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:30:34,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1039938101] [2022-03-20 13:30:34,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1039938101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:30:34,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:30:34,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 13:30:34,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618650296] [2022-03-20 13:30:34,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:30:34,810 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-20 13:30:34,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:30:34,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-20 13:30:34,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-20 13:30:34,811 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 13:30:36,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:30:39,158 WARN L534 Checker$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 13:30:41,342 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 13:30:41,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:30:41,545 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2022-03-20 13:30:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 13:30:41,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 16 [2022-03-20 13:30:41,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:30:41,546 INFO L225 Difference]: With dead ends: 33 [2022-03-20 13:30:41,547 INFO L226 Difference]: Without dead ends: 22 [2022-03-20 13:30:41,547 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-20 13:30:41,548 INFO L913 BasicCegarLoop]: 19 mSDtfsCounter, 19 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-03-20 13:30:41,548 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 41 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-03-20 13:30:41,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-03-20 13:30:41,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-03-20 13:30:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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 13:30:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-03-20 13:30:41,555 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 16 [2022-03-20 13:30:41,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:30:41,555 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-03-20 13:30:41,556 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 13:30:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-03-20 13:30:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-20 13:30:41,556 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:30:41,556 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:30:41,557 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-20 13:30:41,557 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:30:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:30:41,557 INFO L85 PathProgramCache]: Analyzing trace with hash 353016609, now seen corresponding path program 2 times [2022-03-20 13:30:41,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:30:41,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1010266471] [2022-03-20 13:31:49,586 WARN L232 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 97 DAG size of output: 30 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:31:49,587 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 13:31:49,587 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:31:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1868204385, now seen corresponding path program 1 times [2022-03-20 13:31:49,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:31:49,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366711347] [2022-03-20 13:31:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:31:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:31:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:31:50,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:31:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:31:50,045 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 13:31:50,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:31:50,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366711347] [2022-03-20 13:31:50,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366711347] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:31:50,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:31:50,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 13:31:54,764 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-20 13:31:54,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1010266471] [2022-03-20 13:31:54,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1010266471] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 13:31:54,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 13:31:54,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-20 13:31:54,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133607278] [2022-03-20 13:31:54,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 13:31:54,765 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-20 13:31:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-20 13:31:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-20 13:31:54,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-03-20 13:31:54,766 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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 13:31:57,086 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 13:31:59,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-20 13:32:01,490 WARN L534 Checker$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 13:32:01,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 13:32:01,689 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2022-03-20 13:32:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 13:32:01,690 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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 18 [2022-03-20 13:32:01,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 13:32:01,690 INFO L225 Difference]: With dead ends: 36 [2022-03-20 13:32:01,690 INFO L226 Difference]: Without dead ends: 25 [2022-03-20 13:32:01,691 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2022-03-20 13:32:01,692 INFO L913 BasicCegarLoop]: 15 mSDtfsCounter, 29 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-03-20 13:32:01,692 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 46 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2022-03-20 13:32:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-03-20 13:32:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-03-20 13:32:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 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 13:32:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-03-20 13:32:01,699 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 18 [2022-03-20 13:32:01,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 13:32:01,699 INFO L478 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-03-20 13:32:01,700 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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 13:32:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-03-20 13:32:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-20 13:32:01,700 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 13:32:01,700 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 13:32:01,701 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-20 13:32:01,701 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 13:32:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 13:32:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash -844641793, now seen corresponding path program 1 times [2022-03-20 13:32:01,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-20 13:32:01,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2134323252] [2022-03-20 13:35:47,859 WARN L232 SmtUtils]: Spent 3.77m on a formula simplification. DAG size of input: 99 DAG size of output: 42 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:35:47,859 INFO L89 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-03-20 13:37:57,370 WARN L232 SmtUtils]: Spent 2.16m on a formula simplification. DAG size of input: 94 DAG size of output: 92 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-20 13:37:57,371 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 13:37:57,372 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-20 13:37:57,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1055301248, now seen corresponding path program 1 times [2022-03-20 13:37:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 13:37:57,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759192418] [2022-03-20 13:37:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:37:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 13:37:57,384 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0)) (- 5)) 0) [2022-03-20 13:37:57,385 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)) 5)) 858993459) 0) [2022-03-20 13:37:57,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:37:57,385 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 5)) 858993459) 0) [2022-03-20 13:37:57,385 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) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0) 1) (- 5)) 0) [2022-03-20 13:37:57,385 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) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0) 1) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:37:57,385 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)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:37:57,386 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 13:37:57,386 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) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0) 1) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:37:57,386 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4)) 5)) 858993459) 0) [2022-03-20 13:37:57,386 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)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:37:57,386 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~l~0_9) 1) 0)) [2022-03-20 13:37:57,386 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) 4) 0) [2022-03-20 13:37:57,386 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)) (- 5)) 0) [2022-03-20 13:37:57,387 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_5_42.0) (* (- 1) main_~l~0_7) 4294967295) 0) [2022-03-20 13:37:57,387 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) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0) 1) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:37:57,387 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:37:57,387 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.0)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.1) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:37:57,387 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)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.0) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:37:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:37:57,435 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2)) (- 5)) 0) [2022-03-20 13:37:57,436 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_45.3) (- 4294967296)) 5)) 858993459) 0) [2022-03-20 13:37:57,436 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:37:57,436 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4294967295)) 5)) 858993459) 0) [2022-03-20 13:37:57,436 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_45.3) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2) 1) (- 5)) 0) [2022-03-20 13:37:57,436 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_45.3) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2) 1) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:37:57,436 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_45.3) (- 4294967295)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:37:57,437 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) 4294967296) 0) [2022-03-20 13:37:57,437 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_45.3) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2) 1) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:37:57,437 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4)) 5)) 858993459) 0) [2022-03-20 13:37:57,437 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_45.3) (- 4294967295)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:37:57,437 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 4294967296 .aux_div_v_it_5_42.2) (* (- 1) main_~l~0_9) 1) 0)) [2022-03-20 13:37:57,437 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) 4) 0) [2022-03-20 13:37:57,437 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_45.3) (- 4294967295)) (- 5)) 0) [2022-03-20 13:37:57,437 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* 4294967296 .aux_div_v_it_5_42.2) (* (- 1) main_~l~0_7) 4294967295) 0) [2022-03-20 13:37:57,438 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_45.3) (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2) 1) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:37:57,438 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4294967295)) 5)) (- 1)) 0) [2022-03-20 13:37:57,438 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (div (+ (* (- 1) main_~l~0_9) (* 4294967296 .aux_div_v_it_5_42.2)) (- 5)) (* (- 1) (div (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_5_42_25_45.3) (- 4294967296)) 5)) (- 1)) 0) [2022-03-20 13:37:57,438 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_45.3) (- 4294967295)) (- 5)) (* (- 1) (div (+ main_~l~0_7 (* (- 4294967296) .aux_div_v_it_5_42.2) (- 4)) 5)) (- 1)) 0) [2022-03-20 13:37:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 13:37:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:37:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 13:37:57,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 13:37:57,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759192418] [2022-03-20 13:37:57,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759192418] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-20 13:37:57,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071111231] [2022-03-20 13:37:57,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 13:37:57,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-20 13:37:57,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 13:37:57,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-20 13:37:57,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-20 13:37:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 13:37:57,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-20 13:37:57,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-20 13:37:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-20 13:37:58,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-20 13:38:18,027 WARN L232 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 24 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-20 13:38:40,555 WARN L232 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 19 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-20 13:39:58,973 WARN L232 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 17 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-20 13:40:12,695 WARN L232 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 17 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-20 13:40:50,838 WARN L232 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)