/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/sumt4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-19 02:54:09,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-19 02:54:09,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-19 02:54:09,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-19 02:54:09,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-03-19 02:54:09,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-19 02:54:09,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-19 02:54:09,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-19 02:54:09,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-19 02:54:09,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 02:54:09,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-03-19 02:54:09,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-19 02:54:09,497 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-03-19 02:54:09,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-19 02:54:09,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-19 02:54:09,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-19 02:54:09,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-19 02:54:09,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-19 02:54:09,704 INFO L275 PluginConnector]: CDTParser initialized [2022-03-19 02:54:09,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt4.c [2022-03-19 02:54:09,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b34782cf/d0def22bfef24df8ba7255d2e84e9b75/FLAG77f9d3156 [2022-03-19 02:54:10,121 INFO L306 CDTParser]: Found 1 translation units. [2022-03-19 02:54:10,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt4.c [2022-03-19 02:54:10,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b34782cf/d0def22bfef24df8ba7255d2e84e9b75/FLAG77f9d3156 [2022-03-19 02:54:10,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b34782cf/d0def22bfef24df8ba7255d2e84e9b75 [2022-03-19 02:54:10,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-19 02:54:10,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-19 02:54:10,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-19 02:54:10,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-19 02:54:10,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-19 02:54:10,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5926fd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10, skipping insertion in model container [2022-03-19 02:54:10,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-19 02:54:10,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-19 02:54:10,300 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/sumt4.c[403,416] [2022-03-19 02:54:10,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 02:54:10,320 INFO L203 MainTranslator]: Completed pre-run [2022-03-19 02:54:10,328 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/sumt4.c[403,416] [2022-03-19 02:54:10,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-19 02:54:10,346 INFO L208 MainTranslator]: Completed translation [2022-03-19 02:54:10,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10 WrapperNode [2022-03-19 02:54:10,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-19 02:54:10,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-19 02:54:10,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-19 02:54:10,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-19 02:54:10,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-19 02:54:10,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-19 02:54:10,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-19 02:54:10,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-19 02:54:10,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (1/1) ... [2022-03-19 02:54:10,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-19 02:54:10,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 02:54:10,416 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) [2022-03-19 02:54:10,422 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 [2022-03-19 02:54:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-19 02:54:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-19 02:54:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-19 02:54:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-19 02:54:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-19 02:54:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-19 02:54:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-19 02:54:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-19 02:54:10,445 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-19 02:54:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-19 02:54:10,488 INFO L234 CfgBuilder]: Building ICFG [2022-03-19 02:54:10,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-19 02:54:12,776 INFO L275 CfgBuilder]: Performing block encoding [2022-03-19 02:54:12,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-19 02:54:12,781 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-19 02:54:12,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 02:54:12 BoogieIcfgContainer [2022-03-19 02:54:12,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-19 02:54:12,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-19 02:54:12,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-19 02:54:12,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-19 02:54:12,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 02:54:10" (1/3) ... [2022-03-19 02:54:12,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb5422b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 02:54:12, skipping insertion in model container [2022-03-19 02:54:12,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:54:10" (2/3) ... [2022-03-19 02:54:12,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb5422b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 02:54:12, skipping insertion in model container [2022-03-19 02:54:12,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 02:54:12" (3/3) ... [2022-03-19 02:54:12,799 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt4.c [2022-03-19 02:54:12,802 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-19 02:54:12,803 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-19 02:54:12,833 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-19 02:54:12,841 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 [2022-03-19 02:54:12,841 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-19 02:54:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-03-19 02:54:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-19 02:54:12,861 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 02:54:12,861 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 02:54:12,861 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 02:54:12,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 02:54:12,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1709511738, now seen corresponding path program 1 times [2022-03-19 02:54:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 02:54:12,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1199673936] [2022-03-19 02:54:12,878 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-03-19 02:54:12,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1709511738, now seen corresponding path program 2 times [2022-03-19 02:54:12,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 02:54:12,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828165519] [2022-03-19 02:54:12,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 02:54:12,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 02:54:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 02:54:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 02:54:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 02:54:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 02:54:13,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 02:54:13,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828165519] [2022-03-19 02:54:13,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828165519] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 02:54:13,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 02:54:13,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-19 02:54:13,241 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 02:54:13,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1199673936] [2022-03-19 02:54:13,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1199673936] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 02:54:13,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 02:54:13,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-19 02:54:13,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893962877] [2022-03-19 02:54:13,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 02:54:13,245 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-19 02:54:13,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 02:54:13,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-19 02:54:13,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-19 02:54:13,264 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-03-19 02:54:15,401 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 [] [2022-03-19 02:54:17,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-19 02:54:19,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-19 02:54:19,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 02:54:19,975 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2022-03-19 02:54:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-19 02:54:19,977 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 [2022-03-19 02:54:19,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 02:54:19,981 INFO L225 Difference]: With dead ends: 51 [2022-03-19 02:54:19,981 INFO L226 Difference]: Without dead ends: 19 [2022-03-19 02:54:19,983 INFO L911 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 [2022-03-19 02:54:19,985 INFO L912 BasicCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-03-19 02:54:19,986 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 41 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2022-03-19 02:54:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-03-19 02:54:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-03-19 02:54:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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) [2022-03-19 02:54:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-03-19 02:54:20,010 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2022-03-19 02:54:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 02:54:20,013 INFO L478 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-03-19 02:54:20,013 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) [2022-03-19 02:54:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-03-19 02:54:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-19 02:54:20,015 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 02:54:20,015 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 02:54:20,015 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-19 02:54:20,016 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 02:54:20,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 02:54:20,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1996045709, now seen corresponding path program 1 times [2022-03-19 02:54:20,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 02:54:20,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1495298993] [2022-03-19 02:54:20,252 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 [2022-03-19 02:54:20,253 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-19 02:54:20,254 INFO L85 PathProgramCache]: Analyzing trace with hash -46561988, now seen corresponding path program 1 times [2022-03-19 02:54:20,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 02:54:20,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573602989] [2022-03-19 02:54:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 02:54:20,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 02:54:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 02:54:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 02:54:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 02:54:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 02:54:20,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 02:54:20,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573602989] [2022-03-19 02:54:20,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573602989] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 02:54:20,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 02:54:20,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-19 02:54:21,103 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-03-19 02:54:21,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1495298993] [2022-03-19 02:54:21,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1495298993] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-19 02:54:21,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-19 02:54:21,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-19 02:54:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909730824] [2022-03-19 02:54:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-19 02:54:21,104 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-19 02:54:21,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-03-19 02:54:21,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-19 02:54:21,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-03-19 02:54:21,105 INFO L87 Difference]: Start difference. First operand 19 states and 22 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) [2022-03-19 02:54:23,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-19 02:54:25,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-19 02:54:25,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-19 02:54:25,764 INFO L93 Difference]: Finished difference Result 36 states and 45 transitions. [2022-03-19 02:54:25,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-19 02:54:25,764 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 [2022-03-19 02:54:25,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-19 02:54:25,765 INFO L225 Difference]: With dead ends: 36 [2022-03-19 02:54:25,765 INFO L226 Difference]: Without dead ends: 23 [2022-03-19 02:54:25,766 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2022-03-19 02:54:25,766 INFO L912 BasicCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-03-19 02:54:25,767 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 48 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 92 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-03-19 02:54:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-03-19 02:54:25,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-03-19 02:54:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 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) [2022-03-19 02:54:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-03-19 02:54:25,771 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 15 [2022-03-19 02:54:25,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-19 02:54:25,771 INFO L478 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-03-19 02:54:25,771 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) [2022-03-19 02:54:25,771 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-03-19 02:54:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-19 02:54:25,772 INFO L492 BasicCegarLoop]: Found error trace [2022-03-19 02:54:25,772 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-19 02:54:25,772 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-19 02:54:25,772 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-19 02:54:25,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-19 02:54:25,773 INFO L85 PathProgramCache]: Analyzing trace with hash -376560181, now seen corresponding path program 1 times [2022-03-19 02:54:25,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-03-19 02:54:25,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1398382406] [2022-03-19 02:54:25,896 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 [2022-03-19 02:57:20,293 WARN L232 SmtUtils]: Spent 2.91m on a formula simplification. DAG size of input: 83 DAG size of output: 67 (called from [L 564] de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAcceleration.buildAccelerationFormula) [2022-03-19 02:57:20,294 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 [2022-03-19 02:57:20,294 INFO L271 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-03-19 02:57:20,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1276973435, now seen corresponding path program 1 times [2022-03-19 02:57:20,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-19 02:57:20,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139112766] [2022-03-19 02:57:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 02:57:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-19 02:57:20,313 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_7 (* (- 3) .aux_div_aux_mod_v_it_3_42_25.0) (* (- 4294967296) .aux_div_v_it_3_42.2) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.1) 1) 0)) [2022-03-19 02:57:20,314 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 3) .aux_div_aux_mod_v_it_3_42_25.0) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.1) 4294967296) 0) [2022-03-19 02:57:20,314 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.1) 3) 0) [2022-03-19 02:57:20,314 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 3 .aux_div_aux_mod_v_it_3_42_25.0) (* 4294967296 .aux_div_v_it_3_42.2) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.1) (* (- 1) main_~l~0_9) 1) 0)) [2022-03-19 02:57:20,314 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 3) .aux_div_aux_mod_v_it_3_42_25.0) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.1)) 0)) [2022-03-19 02:57:20,314 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.1) 0)) [2022-03-19 02:57:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 02:57:20,373 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~l~0_7 (* (- 3) .aux_div_aux_mod_v_it_3_42_25.3) (* (- 4294967296) .aux_div_v_it_3_42.5) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.4) 1) 0)) [2022-03-19 02:57:20,373 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 3) .aux_div_aux_mod_v_it_3_42_25.3) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.4) 4294967296) 0) [2022-03-19 02:57:20,373 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (<= (+ (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.4) 3) 0) [2022-03-19 02:57:20,373 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 3 .aux_div_aux_mod_v_it_3_42_25.3) (* 4294967296 .aux_div_v_it_3_42.5) (* 4294967296 .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.4) (* (- 1) main_~l~0_9) 1) 0)) [2022-03-19 02:57:20,373 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 3) .aux_div_aux_mod_v_it_3_42_25.3) (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.4)) 0)) [2022-03-19 02:57:20,374 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (* (- 4294967296) .aux_div_aux_mod_aux_mod_v_it_3_42_25_45.4) 0)) [2022-03-19 02:57:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-19 02:57:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-19 02:57:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-19 02:57:20,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-19 02:57:20,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139112766] [2022-03-19 02:57:20,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139112766] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-19 02:57:20,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489680541] [2022-03-19 02:57:20,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-19 02:57:20,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-19 02:57:20,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-19 02:57:20,689 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) [2022-03-19 02:57:20,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process