/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/array-programs/partial_mod_count_limited_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 19:10:41,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 19:10:41,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 19:10:41,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 19:10:41,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 19:10:41,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 19:10:41,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 19:10:41,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 19:10:41,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 19:10:41,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 19:10:41,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 19:10:41,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 19:10:41,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 19:10:41,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 19:10:41,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 19:10:41,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 19:10:41,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 19:10:41,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 19:10:41,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 19:10:41,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 19:10:41,211 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 19:10:41,228 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 19:10:41,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 19:10:41,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 19:10:41,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 19:10:41,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 19:10:41,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 19:10:41,231 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 19:10:41,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 19:10:41,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 19:10:41,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 19:10:41,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 19:10:41,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 19:10:41,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 19:10:41,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 19:10:41,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 19:10:41,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 19:10:41,232 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 19:10:41,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 19:10:41,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 19:10:41,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 19:10:41,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 19:10:41,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 19:10:41,486 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 19:10:41,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/partial_mod_count_limited_3.c [2022-01-31 19:10:41,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6cf851d/4b66090409bb4a3e9093f9a5182cf82d/FLAG2abf5d341 [2022-01-31 19:10:41,935 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 19:10:41,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/partial_mod_count_limited_3.c [2022-01-31 19:10:41,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6cf851d/4b66090409bb4a3e9093f9a5182cf82d/FLAG2abf5d341 [2022-01-31 19:10:41,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6cf851d/4b66090409bb4a3e9093f9a5182cf82d [2022-01-31 19:10:41,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 19:10:41,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 19:10:41,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 19:10:41,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 19:10:41,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 19:10:41,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:10:41" (1/1) ... [2022-01-31 19:10:41,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64479d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:41, skipping insertion in model container [2022-01-31 19:10:41,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 07:10:41" (1/1) ... [2022-01-31 19:10:41,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 19:10:41,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 19:10:42,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-programs/partial_mod_count_limited_3.c[331,344] [2022-01-31 19:10:42,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 19:10:42,213 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 19:10:42,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-programs/partial_mod_count_limited_3.c[331,344] [2022-01-31 19:10:42,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 19:10:42,250 INFO L208 MainTranslator]: Completed translation [2022-01-31 19:10:42,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42 WrapperNode [2022-01-31 19:10:42,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 19:10:42,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 19:10:42,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 19:10:42,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 19:10:42,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 19:10:42,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 19:10:42,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 19:10:42,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 19:10:42,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (1/1) ... [2022-01-31 19:10:42,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 19:10:42,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 19:10:42,324 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 19:10:42,343 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 19:10:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 19:10:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 19:10:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 19:10:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 19:10:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 19:10:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 19:10:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 19:10:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 19:10:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 19:10:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 19:10:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 19:10:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 19:10:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 19:10:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 19:10:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 19:10:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 19:10:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 19:10:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 19:10:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 19:10:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 19:10:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 19:10:42,435 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 19:10:42,436 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 19:10:42,593 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 19:10:42,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 19:10:42,598 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-31 19:10:42,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:10:42 BoogieIcfgContainer [2022-01-31 19:10:42,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 19:10:42,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 19:10:42,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 19:10:42,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 19:10:42,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 07:10:41" (1/3) ... [2022-01-31 19:10:42,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742d0d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:10:42, skipping insertion in model container [2022-01-31 19:10:42,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 07:10:42" (2/3) ... [2022-01-31 19:10:42,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@742d0d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 07:10:42, skipping insertion in model container [2022-01-31 19:10:42,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 07:10:42" (3/3) ... [2022-01-31 19:10:42,605 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_limited_3.c [2022-01-31 19:10:42,609 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 19:10:42,609 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 19:10:42,674 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 19:10:42,696 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 19:10:42,696 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 19:10:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 19:10:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 19:10:42,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 19:10:42,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 19:10:42,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 19:10:42,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 19:10:42,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2033071227, now seen corresponding path program 1 times [2022-01-31 19:10:42,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 19:10:42,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640884277] [2022-01-31 19:10:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 19:10:42,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 19:10:42,790 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 19:10:42,854 WARN L127 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2022-01-31 19:10:42,855 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2022-01-31 19:10:42,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 19:10:42,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 19:10:42,867 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-31 19:10:42,869 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 19:10:42,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 07:10:42 BoogieIcfgContainer [2022-01-31 19:10:42,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 19:10:42,884 INFO L158 Benchmark]: Toolchain (without parser) took 911.85ms. Allocated memory is still 206.6MB. Free memory was 152.8MB in the beginning and 150.9MB in the end (delta: 1.9MB). Peak memory consumption was 1.7MB. Max. memory is 8.0GB. [2022-01-31 19:10:42,885 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 169.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 19:10:42,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.22ms. Allocated memory is still 206.6MB. Free memory was 152.7MB in the beginning and 177.7MB in the end (delta: -25.0MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-01-31 19:10:42,887 INFO L158 Benchmark]: Boogie Preprocessor took 39.37ms. Allocated memory is still 206.6MB. Free memory was 177.7MB in the beginning and 176.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 19:10:42,888 INFO L158 Benchmark]: RCFGBuilder took 307.84ms. Allocated memory is still 206.6MB. Free memory was 176.1MB in the beginning and 163.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-31 19:10:42,892 INFO L158 Benchmark]: TraceAbstraction took 282.91ms. Allocated memory is still 206.6MB. Free memory was 163.0MB in the beginning and 150.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-31 19:10:42,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 169.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.22ms. Allocated memory is still 206.6MB. Free memory was 152.7MB in the beginning and 177.7MB in the end (delta: -25.0MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.37ms. Allocated memory is still 206.6MB. Free memory was 177.7MB in the beginning and 176.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 307.84ms. Allocated memory is still 206.6MB. Free memory was 176.1MB in the beginning and 163.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 282.91ms. Allocated memory is still 206.6MB. Free memory was 163.0MB in the beginning and 150.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L10] int N = 1000; [L12] int i,j=0,k=0,a[N]; [L13] int lim=__VERIFIER_nondet_int(); [L14] unsigned int R=3; [L15] CALL assume_abort_if_not(0 < lim && lim < N/R) [L7] COND TRUE !cond [L15] RET assume_abort_if_not(0 < lim && lim < N/R) [L16] i=0 [L16] COND FALSE !(i