/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/sum03-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 20:40:20,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 20:40:20,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 20:40:20,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 20:40:20,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 20:40:20,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 20:40:20,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 20:40:20,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 20:40:20,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 20:40:20,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 20:40:20,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 20:40:20,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 20:40:20,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 20:40:20,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 20:40:20,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 20:40:20,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 20:40:20,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 20:40:20,985 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 20:40:20,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 20:40:21,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 20:40:21,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 20:40:21,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 20:40:21,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 20:40:21,199 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 20:40:21,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum03-2.i [2022-01-31 20:40:21,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9708d065f/291be37451974845ad7f339a929d9c5e/FLAG7930ab47e [2022-01-31 20:40:21,611 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 20:40:21,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum03-2.i [2022-01-31 20:40:21,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9708d065f/291be37451974845ad7f339a929d9c5e/FLAG7930ab47e [2022-01-31 20:40:21,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9708d065f/291be37451974845ad7f339a929d9c5e [2022-01-31 20:40:21,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 20:40:21,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 20:40:21,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 20:40:21,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 20:40:21,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 20:40:21,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fbad81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21, skipping insertion in model container [2022-01-31 20:40:21,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 20:40:21,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 20:40:21,790 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/sum03-2.i[807,820] [2022-01-31 20:40:21,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 20:40:21,800 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 20:40:21,807 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/sum03-2.i[807,820] [2022-01-31 20:40:21,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 20:40:21,817 INFO L208 MainTranslator]: Completed translation [2022-01-31 20:40:21,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21 WrapperNode [2022-01-31 20:40:21,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 20:40:21,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 20:40:21,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 20:40:21,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 20:40:21,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 20:40:21,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 20:40:21,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 20:40:21,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 20:40:21,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (1/1) ... [2022-01-31 20:40:21,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 20:40:21,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 20:40:21,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 20:40:21,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 20:40:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 20:40:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 20:40:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 20:40:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 20:40:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 20:40:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 20:40:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 20:40:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 20:40:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 20:40:21,946 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 20:40:21,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 20:40:22,037 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 20:40:22,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 20:40:22,041 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 20:40:22,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:40:22 BoogieIcfgContainer [2022-01-31 20:40:22,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 20:40:22,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 20:40:22,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 20:40:22,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 20:40:22,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:40:21" (1/3) ... [2022-01-31 20:40:22,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50298d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:40:22, skipping insertion in model container [2022-01-31 20:40:22,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:40:21" (2/3) ... [2022-01-31 20:40:22,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50298d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:40:22, skipping insertion in model container [2022-01-31 20:40:22,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:40:22" (3/3) ... [2022-01-31 20:40:22,054 INFO L111 eAbstractionObserver]: Analyzing ICFG sum03-2.i [2022-01-31 20:40:22,058 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 20:40:22,058 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 20:40:22,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 20:40:22,103 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, 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, mLoopAccelerationTechnique=JORDAN [2022-01-31 20:40:22,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 20:40:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-01-31 20:40:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-31 20:40:22,120 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 20:40:22,120 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 20:40:22,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 20:40:22,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 20:40:22,124 INFO L85 PathProgramCache]: Analyzing trace with hash -107069111, now seen corresponding path program 1 times [2022-01-31 20:40:22,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 20:40:22,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346318727] [2022-01-31 20:40:22,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 20:40:22,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 20:40:22,170 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 20:40:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 20:40:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 20:40:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 20:40:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 20:40:22,476 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 20:40:22,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346318727] [2022-01-31 20:40:22,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1346318727] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 20:40:22,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 20:40:22,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-31 20:40:22,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886950116] [2022-01-31 20:40:22,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 20:40:22,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-31 20:40:22,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 20:40:22,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-31 20:40:22,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-01-31 20:40:22,500 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-01-31 20:40:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 20:40:22,605 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2022-01-31 20:40:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-31 20:40:22,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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 11 [2022-01-31 20:40:22,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 20:40:22,612 INFO L225 Difference]: With dead ends: 33 [2022-01-31 20:40:22,613 INFO L226 Difference]: Without dead ends: 21 [2022-01-31 20:40:22,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-01-31 20:40:22,621 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 16 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 20:40:22,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 27 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 20:40:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-01-31 20:40:22,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-01-31 20:40:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 20:40:22,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-01-31 20:40:22,664 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2022-01-31 20:40:22,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 20:40:22,664 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-01-31 20:40:22,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-01-31 20:40:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-01-31 20:40:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-31 20:40:22,665 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 20:40:22,665 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 20:40:22,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 20:40:22,665 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 20:40:22,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 20:40:22,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1456105815, now seen corresponding path program 1 times [2022-01-31 20:40:22,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 20:40:22,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122249921] [2022-01-31 20:40:22,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 20:40:22,812 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-01-31 20:40:22,813 INFO L236 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-01-31 20:40:22,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 20:40:22,830 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (let ((.cse0 (* 2 .v_it_1.0))) (= (let ((.cse1 (* 2 main_~x~0_5))) (+ .cse0 .cse1 (* (- 4294967296) (div (+ .cse0 .cse1 2) 4294967296)) 2)) (+ .cse0 main_~sn~0_5 (* (- 4294967296) (div (+ .cse0 main_~sn~0_5 2) 4294967296)) 2))) [2022-01-31 20:40:22,831 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (let ((.cse0 (* 2 .v_it_1.0))) (+ .cse0 main_~sn~0_5 (* (- 4294967296) (div (+ .cse0 main_~sn~0_5 2) 4294967296)) 2)) 0) [2022-01-31 20:40:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 20:40:22,873 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (let ((.cse0 (* 2 .v_it_1.1))) (= (let ((.cse1 (* 2 main_~x~0_5))) (+ .cse0 .cse1 (* (- 4294967296) (div (+ .cse0 .cse1 2) 4294967296)) 2)) (+ .cse0 main_~sn~0_5 (* (- 4294967296) (div (+ .cse0 main_~sn~0_5 2) 4294967296)) 2))) [2022-01-31 20:40:22,873 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (= (let ((.cse0 (* 2 .v_it_1.1))) (+ .cse0 main_~sn~0_5 (* (- 4294967296) (div (+ .cse0 main_~sn~0_5 2) 4294967296)) 2)) 0) [2022-01-31 20:40:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 20:40:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 20:40:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 20:40:23,278 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 20:40:23,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122249921] [2022-01-31 20:40:23,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [122249921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 20:40:23,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 20:40:23,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-31 20:40:23,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526729655] [2022-01-31 20:40:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 20:40:23,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-31 20:40:23,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 20:40:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-31 20:40:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-01-31 20:40:23,280 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 20:40:23,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 20:40:23,412 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-01-31 20:40:23,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 20:40:23,413 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-01-31 20:40:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 20:40:23,413 INFO L225 Difference]: With dead ends: 22 [2022-01-31 20:40:23,413 INFO L226 Difference]: Without dead ends: 0 [2022-01-31 20:40:23,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-01-31 20:40:23,415 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 3 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 20:40:23,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 52 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 15 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-01-31 20:40:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-31 20:40:23,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-31 20:40:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-31 20:40:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-31 20:40:23,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-01-31 20:40:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 20:40:23,417 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-31 20:40:23,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 20:40:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-31 20:40:23,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-31 20:40:23,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 20:40:23,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 20:40:23,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-31 20:40:23,601 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2022-01-31 20:40:23,601 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2022-01-31 20:40:23,601 INFO L858 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-01-31 20:40:23,602 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 20 29) the Hoare annotation is: true [2022-01-31 20:40:23,602 INFO L854 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (let ((.cse0 (* main_~x~0 2))) (let ((.cse3 (div main_~sn~0 4294967296)) (.cse4 (div .cse0 4294967296))) (let ((.cse2 (+ main_~sn~0 (* 4294967296 .cse4))) (.cse1 (* .cse3 4294967296))) (and (<= (+ .cse0 .cse1) .cse2) (not (<= (+ .cse3 1) .cse4)) (< .cse2 (+ .cse0 .cse1 1)))))) [2022-01-31 20:40:23,602 INFO L854 garLoopResultBuilder]: At program point L27-1(lines 24 28) the Hoare annotation is: (exists ((v_main_~sn~0_BEFORE_CALL_1 Int) (v_main_~x~0_BEFORE_CALL_1 Int) (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 Int)) (let ((.cse0 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 0)) (.cse3 (= v___VERIFIER_assert_~cond_BEFORE_RETURN_1 1)) (.cse5 (* v_main_~x~0_BEFORE_CALL_1 2))) (and (let ((.cse4 (mod main_~sn~0 4294967296))) (let ((.cse2 (= .cse4 0)) (.cse1 (= .cse4 (mod (* main_~x~0 2) 4294967296)))) (or (and .cse0 (not .cse1) (not .cse2)) (and .cse3 (or .cse2 .cse1))))) (or (and (< 1 v_main_~x~0_BEFORE_CALL_1) (= .cse5 v_main_~sn~0_BEFORE_CALL_1)) (and (= v_main_~x~0_BEFORE_CALL_1 1) (= 2 v_main_~sn~0_BEFORE_CALL_1))) (let ((.cse8 (mod v_main_~sn~0_BEFORE_CALL_1 4294967296))) (let ((.cse7 (= (mod .cse5 4294967296) .cse8)) (.cse6 (= .cse8 0))) (or (and (not .cse6) (not .cse7) .cse0) (and (or .cse7 .cse6) .cse3))))))) [2022-01-31 20:40:23,602 INFO L854 garLoopResultBuilder]: At program point mainEXIT(lines 20 29) the Hoare annotation is: false [2022-01-31 20:40:23,602 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 20 29) the Hoare annotation is: false [2022-01-31 20:40:23,602 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-01-31 20:40:23,602 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-01-31 20:40:23,602 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-01-31 20:40:23,603 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: false [2022-01-31 20:40:23,603 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-01-31 20:40:23,603 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-01-31 20:40:23,603 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: false [2022-01-31 20:40:23,603 INFO L854 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2022-01-31 20:40:23,603 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 13 18) the Hoare annotation is: true [2022-01-31 20:40:23,603 INFO L854 garLoopResultBuilder]: At program point L14(lines 14 16) the Hoare annotation is: (and (or (forall ((v_main_~sn~0_BEFORE_CALL_1 Int) (v_main_~x~0_BEFORE_CALL_1 Int)) (let ((.cse0 (* v_main_~x~0_BEFORE_CALL_1 2))) (or (and (or (not (= v_main_~x~0_BEFORE_CALL_1 1)) (not (= 2 v_main_~sn~0_BEFORE_CALL_1))) (or (not (< 1 v_main_~x~0_BEFORE_CALL_1)) (not (= .cse0 v_main_~sn~0_BEFORE_CALL_1)))) (let ((.cse3 (mod v_main_~sn~0_BEFORE_CALL_1 4294967296))) (let ((.cse2 (= (mod .cse0 4294967296) .cse3)) (.cse1 (= .cse3 0))) (and (or (not (= |__VERIFIER_assert_#in~cond| 1)) (and (not .cse1) (not .cse2))) (or (not (= |__VERIFIER_assert_#in~cond| 0)) .cse2 .cse1))))))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))) [2022-01-31 20:40:23,603 INFO L854 garLoopResultBuilder]: At program point L14-2(lines 13 18) the Hoare annotation is: (and (or (forall ((v_main_~sn~0_BEFORE_CALL_1 Int) (v_main_~x~0_BEFORE_CALL_1 Int)) (let ((.cse0 (* v_main_~x~0_BEFORE_CALL_1 2))) (or (and (or (not (= v_main_~x~0_BEFORE_CALL_1 1)) (not (= 2 v_main_~sn~0_BEFORE_CALL_1))) (or (not (< 1 v_main_~x~0_BEFORE_CALL_1)) (not (= .cse0 v_main_~sn~0_BEFORE_CALL_1)))) (let ((.cse3 (mod v_main_~sn~0_BEFORE_CALL_1 4294967296))) (let ((.cse2 (= (mod .cse0 4294967296) .cse3)) (.cse1 (= .cse3 0))) (and (or (not (= |__VERIFIER_assert_#in~cond| 1)) (and (not .cse1) (not .cse2))) (or (not (= |__VERIFIER_assert_#in~cond| 0)) .cse2 .cse1))))))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))) [2022-01-31 20:40:23,604 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 13 18) the Hoare annotation is: (and (or (forall ((v_main_~sn~0_BEFORE_CALL_1 Int) (v_main_~x~0_BEFORE_CALL_1 Int)) (let ((.cse0 (* v_main_~x~0_BEFORE_CALL_1 2))) (or (and (or (not (= v_main_~x~0_BEFORE_CALL_1 1)) (not (= 2 v_main_~sn~0_BEFORE_CALL_1))) (or (not (< 1 v_main_~x~0_BEFORE_CALL_1)) (not (= .cse0 v_main_~sn~0_BEFORE_CALL_1)))) (let ((.cse3 (mod v_main_~sn~0_BEFORE_CALL_1 4294967296))) (let ((.cse2 (= (mod .cse0 4294967296) .cse3)) (.cse1 (= .cse3 0))) (and (or (not (= |__VERIFIER_assert_#in~cond| 1)) (and (not .cse1) (not .cse2))) (or (not (= |__VERIFIER_assert_#in~cond| 0)) .cse2 .cse1))))))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0)))) [2022-01-31 20:40:23,604 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2022-01-31 20:40:23,606 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 20:40:23,607 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 20:40:23,614 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,615 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,616 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,622 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,623 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,624 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,626 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,627 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,627 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,629 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,630 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:40:23 BoogieIcfgContainer [2022-01-31 20:40:23,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 20:40:23,636 INFO L158 Benchmark]: Toolchain (without parser) took 2004.90ms. Allocated memory is still 260.0MB. Free memory was 210.1MB in the beginning and 94.0MB in the end (delta: 116.2MB). Peak memory consumption was 116.6MB. Max. memory is 8.0GB. [2022-01-31 20:40:23,637 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 260.0MB. Free memory is still 226.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 20:40:23,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.46ms. Allocated memory is still 260.0MB. Free memory was 209.9MB in the beginning and 231.3MB in the end (delta: -21.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-01-31 20:40:23,641 INFO L158 Benchmark]: Boogie Preprocessor took 16.50ms. Allocated memory is still 260.0MB. Free memory was 231.3MB in the beginning and 229.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 20:40:23,641 INFO L158 Benchmark]: RCFGBuilder took 207.20ms. Allocated memory is still 260.0MB. Free memory was 229.8MB in the beginning and 219.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 20:40:23,642 INFO L158 Benchmark]: TraceAbstraction took 1592.40ms. Allocated memory is still 260.0MB. Free memory was 219.3MB in the beginning and 94.0MB in the end (delta: 125.3MB). Peak memory consumption was 125.8MB. Max. memory is 8.0GB. [2022-01-31 20:40:23,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 260.0MB. Free memory is still 226.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 184.46ms. Allocated memory is still 260.0MB. Free memory was 209.9MB in the beginning and 231.3MB in the end (delta: -21.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.50ms. Allocated memory is still 260.0MB. Free memory was 231.3MB in the beginning and 229.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 207.20ms. Allocated memory is still 260.0MB. Free memory was 229.8MB in the beginning and 219.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1592.40ms. Allocated memory is still 260.0MB. Free memory was 219.3MB in the beginning and 94.0MB in the end (delta: 125.3MB). Peak memory consumption was 125.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 18 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 20 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=1, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 36 PreInvPairs, 47 NumberOfFragments, 408 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 731 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,652 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,653 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___VERIFIER_assert_~cond_BEFORE_RETURN_1,QUANTIFIED] Derived loop invariant: (\exists v_main_~sn~0_BEFORE_CALL_1 : int, v_main_~x~0_BEFORE_CALL_1 : int, v___VERIFIER_assert_~cond_BEFORE_RETURN_1 : int :: ((((v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 0 && !(sn % 4294967296 == x * 2 % 4294967296)) && !(sn % 4294967296 == 0)) || (v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 1 && (sn % 4294967296 == 0 || sn % 4294967296 == x * 2 % 4294967296))) && ((1 < v_main_~x~0_BEFORE_CALL_1 && v_main_~x~0_BEFORE_CALL_1 * 2 == v_main_~sn~0_BEFORE_CALL_1) || (v_main_~x~0_BEFORE_CALL_1 == 1 && 2 == v_main_~sn~0_BEFORE_CALL_1))) && (((!(v_main_~sn~0_BEFORE_CALL_1 % 4294967296 == 0) && !(v_main_~x~0_BEFORE_CALL_1 * 2 % 4294967296 == v_main_~sn~0_BEFORE_CALL_1 % 4294967296)) && v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 0) || ((v_main_~x~0_BEFORE_CALL_1 * 2 % 4294967296 == v_main_~sn~0_BEFORE_CALL_1 % 4294967296 || v_main_~sn~0_BEFORE_CALL_1 % 4294967296 == 0) && v___VERIFIER_assert_~cond_BEFORE_RETURN_1 == 1))) - ProcedureContractResult [Line: 20]: Procedure Contract for main Derived contract for procedure main: 0 - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,654 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,655 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~x~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] [2022-01-31 20:40:23,656 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~sn~0_BEFORE_CALL_1,QUANTIFIED] Derived contract for procedure __VERIFIER_assert: ((forall v_main_~sn~0_BEFORE_CALL_1 : int, v_main_~x~0_BEFORE_CALL_1 : int :: ((!(v_main_~x~0_BEFORE_CALL_1 == 1) || !(2 == v_main_~sn~0_BEFORE_CALL_1)) && (!(1 < v_main_~x~0_BEFORE_CALL_1) || !(v_main_~x~0_BEFORE_CALL_1 * 2 == v_main_~sn~0_BEFORE_CALL_1))) || ((!(\old(cond) == 1) || (!(v_main_~sn~0_BEFORE_CALL_1 % 4294967296 == 0) && !(v_main_~x~0_BEFORE_CALL_1 * 2 % 4294967296 == v_main_~sn~0_BEFORE_CALL_1 % 4294967296))) && ((!(\old(cond) == 0) || v_main_~x~0_BEFORE_CALL_1 * 2 % 4294967296 == v_main_~sn~0_BEFORE_CALL_1 % 4294967296) || v_main_~sn~0_BEFORE_CALL_1 % 4294967296 == 0))) || \old(cond) == cond) && (\old(cond) == 0 || !(cond == 0)) RESULT: Ultimate proved your program to be correct! [2022-01-31 20:40:23,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...