./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:50:50,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:50:50,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:50:50,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:50:50,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:50:50,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:50:50,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:50:50,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:50:50,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:50:50,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:50:50,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:50:50,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:50:50,310 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:50:50,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:50:50,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:50:50,313 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:50:50,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:50:50,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:50:50,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:50:50,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:50:50,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:50:50,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:50:50,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:50:50,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:50:50,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:50:50,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:50:50,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:50:50,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:50:50,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:50:50,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:50:50,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:50:50,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:50:50,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:50:50,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:50:50,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:50:50,329 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:50:50,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:50:50,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:50:50,330 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:50:50,331 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2023-11-06 22:50:50,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:50:50,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:50:50,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:50:50,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:50:50,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:50:50,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/xcsp/AllInterval-005.c [2023-11-06 22:50:54,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:50:54,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:50:54,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/sv-benchmarks/c/xcsp/AllInterval-005.c [2023-11-06 22:50:54,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/data/1f9ddb467/62c8d5bbd2a1495a88698cdf666e2889/FLAGd752a7560 [2023-11-06 22:50:55,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/data/1f9ddb467/62c8d5bbd2a1495a88698cdf666e2889 [2023-11-06 22:50:55,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:50:55,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:50:55,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:50:55,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:50:55,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:50:55,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dddb261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55, skipping insertion in model container [2023-11-06 22:50:55,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:50:55,348 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2023-11-06 22:50:55,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:50:55,373 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:50:55,432 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2023-11-06 22:50:55,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:50:55,461 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:50:55,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55 WrapperNode [2023-11-06 22:50:55,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:50:55,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:50:55,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:50:55,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:50:55,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,548 INFO L138 Inliner]: procedures = 13, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2023-11-06 22:50:55,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:50:55,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:50:55,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:50:55,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:50:55,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:50:55,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:50:55,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:50:55,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:50:55,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (1/1) ... [2023-11-06 22:50:55,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:50:55,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:50:55,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:50:55,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:50:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:50:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:50:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:50:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:50:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-06 22:50:55,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-06 22:50:55,823 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:50:55,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:50:56,111 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:50:56,121 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:50:56,121 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:50:56,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:56 BoogieIcfgContainer [2023-11-06 22:50:56,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:50:56,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:50:56,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:50:56,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:50:56,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:50:55" (1/3) ... [2023-11-06 22:50:56,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436a7c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:56, skipping insertion in model container [2023-11-06 22:50:56,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:55" (2/3) ... [2023-11-06 22:50:56,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436a7c3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:56, skipping insertion in model container [2023-11-06 22:50:56,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:56" (3/3) ... [2023-11-06 22:50:56,138 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-005.c [2023-11-06 22:50:56,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:50:56,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:50:56,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:50:56,248 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e95c41d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:50:56,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:50:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-06 22:50:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-06 22:50:56,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:50:56,282 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:50:56,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:50:56,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:50:56,291 INFO L85 PathProgramCache]: Analyzing trace with hash 498368144, now seen corresponding path program 1 times [2023-11-06 22:50:56,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:50:56,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684354744] [2023-11-06 22:50:56,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:50:56,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:50:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:50:57,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:50:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:50:57,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:50:57,559 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:50:57,563 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:50:57,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:50:57,572 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-06 22:50:57,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:50:57,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:50:57 BoogieIcfgContainer [2023-11-06 22:50:57,685 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:50:57,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:50:57,687 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:50:57,687 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:50:57,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:56" (3/4) ... [2023-11-06 22:50:57,689 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-06 22:50:57,856 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:50:57,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:50:57,857 INFO L158 Benchmark]: Toolchain (without parser) took 2832.52ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 82.7MB in the end (delta: 39.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,858 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory was 98.1MB in the beginning and 97.8MB in the end (delta: 290.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:50:57,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.62ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 110.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.64ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 108.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,860 INFO L158 Benchmark]: Boogie Preprocessor took 56.30ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,860 INFO L158 Benchmark]: RCFGBuilder took 517.76ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 94.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,861 INFO L158 Benchmark]: TraceAbstraction took 1557.28ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 88.1MB in the end (delta: 4.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,861 INFO L158 Benchmark]: Witness Printer took 169.82ms. Allocated memory is still 159.4MB. Free memory was 88.1MB in the beginning and 82.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:50:57,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory was 98.1MB in the beginning and 97.8MB in the end (delta: 290.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.62ms. Allocated memory is still 159.4MB. Free memory was 121.8MB in the beginning and 110.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.64ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 108.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.30ms. Allocated memory is still 159.4MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 517.76ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 94.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1557.28ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 88.1MB in the end (delta: 4.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 169.82ms. Allocated memory is still 159.4MB. Free memory was 88.1MB in the beginning and 82.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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 - CounterExampleResult [Line: 93]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L29] RET assume(var0 >= 0) VAL [dummy=0, var0=4] [L30] CALL assume(var0 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume(var0 <= 4) VAL [dummy=0, var0=4] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L33] RET assume(var1 >= 0) VAL [dummy=0, var0=4, var1=0] [L34] CALL assume(var1 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L34] RET assume(var1 <= 4) VAL [dummy=0, var0=4, var1=0] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L37] RET assume(var2 >= 0) VAL [dummy=0, var0=4, var1=0, var2=3] [L38] CALL assume(var2 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L38] RET assume(var2 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L41] RET assume(var3 >= 0) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1] [L42] CALL assume(var3 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L42] RET assume(var3 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L45] RET assume(var4 >= 0) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2] [L46] CALL assume(var4 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L46] RET assume(var4 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L49] RET assume(var5 >= 1) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4] [L50] CALL assume(var5 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L50] RET assume(var5 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L53] RET assume(var6 >= 1) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3] [L54] CALL assume(var6 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L54] RET assume(var6 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L57] RET assume(var7 >= 1) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2] [L58] CALL assume(var7 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L58] RET assume(var7 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L61] RET assume(var8 >= 1) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L62] CALL assume(var8 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L62] RET assume(var8 <= 4) VAL [dummy=0, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L63] int myvar0 = 1; VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L64] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L64] RET assume(var0 != var1) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L65] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L65] RET assume(var0 != var2) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L66] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L66] RET assume(var0 != var3) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L67] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L67] RET assume(var0 != var4) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L68] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L68] RET assume(var1 != var2) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L69] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L69] RET assume(var1 != var3) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L70] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L70] RET assume(var1 != var4) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L71] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L71] RET assume(var2 != var3) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L72] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L72] RET assume(var2 != var4) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L73] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L73] RET assume(var3 != var4) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L74] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L74] RET assume(var5 != var6) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L75] CALL assume(var5 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L75] RET assume(var5 != var7) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L76] CALL assume(var5 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L76] RET assume(var5 != var8) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L77] CALL assume(var6 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L77] RET assume(var6 != var7) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L78] CALL assume(var6 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L78] RET assume(var6 != var8) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L79] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L79] RET assume(var7 != var8) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1] [L80] int var_for_abs; [L81] var_for_abs = var0 - var1 [L82] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=4] [L83] CALL assume(var5 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L83] RET assume(var5 == var_for_abs) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=4] [L84] var_for_abs = var1 - var2 [L85] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=3] [L86] CALL assume(var6 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L86] RET assume(var6 == var_for_abs) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=3] [L87] var_for_abs = var2 - var3 [L88] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=2] [L89] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L89] RET assume(var7 == var_for_abs) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=2] [L90] var_for_abs = var3 - var4 [L91] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=1] [L92] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L92] RET assume(var8 == var_for_abs) VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=1] [L93] reach_error() VAL [dummy=0, myvar0=1, var0=4, var1=0, var2=3, var3=1, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-06 22:50:57,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610b82a7-7fc6-48c2-926f-f46781858fa1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE