./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 64bit --witnessprinter.graph.data.programhash d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:25,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:25,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:31:25,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:25,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:25,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:25,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:25,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:25,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:31:25,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:31:25,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:25,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:25,223 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:25,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:25,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:31:25,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:31:25,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:25,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:31:25,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:31:25,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:31:25,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:25,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:25,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:25,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:25,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:31:25,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:25,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:25,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:31:25,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:31:25,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:31:25,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:31:25,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:31:25,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:31:25,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:31:25,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:31:25,235 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:31:25,236 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_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 [2023-11-12 02:31:25,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:25,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:25,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:25,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:25,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:25,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-12 02:31:28,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:29,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:29,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-12 02:31:29,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data/6adc01c84/322d0b8598e34af5afdb69997a44ad7a/FLAGb9fc40940 [2023-11-12 02:31:29,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data/6adc01c84/322d0b8598e34af5afdb69997a44ad7a [2023-11-12 02:31:29,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:29,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:29,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:29,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:29,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:29,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e684b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29, skipping insertion in model container [2023-11-12 02:31:29,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:29,324 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_ec921450-b50c-4746-9753-a6b9bbb66507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-12 02:31:29,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:29,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:29,451 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_ec921450-b50c-4746-9753-a6b9bbb66507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-12 02:31:29,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:29,532 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:29,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29 WrapperNode [2023-11-12 02:31:29,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:29,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:29,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:29,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:29,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,652 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 484 [2023-11-12 02:31:29,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:29,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:29,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:29,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:29,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:29,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:29,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:29,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:29,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (1/1) ... [2023-11-12 02:31:29,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:29,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:29,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:29,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:31:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:30,003 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:30,005 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:30,872 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:30,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:30,880 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:31:30,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:30 BoogieIcfgContainer [2023-11-12 02:31:30,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:30,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:30,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:30,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:30,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:31:29" (1/3) ... [2023-11-12 02:31:30,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f05ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:30, skipping insertion in model container [2023-11-12 02:31:30,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:29" (2/3) ... [2023-11-12 02:31:30,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f05ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:30, skipping insertion in model container [2023-11-12 02:31:30,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:30" (3/3) ... [2023-11-12 02:31:30,894 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-12 02:31:30,915 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:30,915 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:31:30,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:31:30,993 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=LoopHeads, 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;@35a6a9d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:31:30,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:31:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 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) [2023-11-12 02:31:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 02:31:31,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:31,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:31,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:31,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1364224717, now seen corresponding path program 1 times [2023-11-12 02:31:31,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:31,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002701777] [2023-11-12 02:31:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:31,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:31,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:31,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002701777] [2023-11-12 02:31:31,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002701777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:31,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:31,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:31,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000631158] [2023-11-12 02:31:31,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:31,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:31,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:31,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:31,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:31,746 INFO L87 Difference]: Start difference. First operand has 95 states, 93 states have (on average 1.6451612903225807) internal successors, (153), 94 states have internal predecessors, (153), 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) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-12 02:31:31,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:31,800 INFO L93 Difference]: Finished difference Result 177 states and 289 transitions. [2023-11-12 02:31:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:31,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2023-11-12 02:31:31,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:31,813 INFO L225 Difference]: With dead ends: 177 [2023-11-12 02:31:31,813 INFO L226 Difference]: Without dead ends: 93 [2023-11-12 02:31:31,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:31,821 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:31,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 429 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:31,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-12 02:31:31,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-12 02:31:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.6195652173913044) internal successors, (149), 92 states have internal predecessors, (149), 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) [2023-11-12 02:31:31,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 149 transitions. [2023-11-12 02:31:31,865 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 149 transitions. Word has length 17 [2023-11-12 02:31:31,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:31,866 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 149 transitions. [2023-11-12 02:31:31,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-12 02:31:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2023-11-12 02:31:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 02:31:31,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:31,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:31,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:31:31,868 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:31,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:31,869 INFO L85 PathProgramCache]: Analyzing trace with hash -656922131, now seen corresponding path program 1 times [2023-11-12 02:31:31,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:31,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429498220] [2023-11-12 02:31:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:31,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:32,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:32,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429498220] [2023-11-12 02:31:32,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429498220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:32,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:32,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:32,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310324597] [2023-11-12 02:31:32,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:32,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:32,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:32,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:32,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:32,011 INFO L87 Difference]: Start difference. First operand 93 states and 149 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-12 02:31:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:32,049 INFO L93 Difference]: Finished difference Result 178 states and 285 transitions. [2023-11-12 02:31:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:32,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) Word has length 18 [2023-11-12 02:31:32,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:32,051 INFO L225 Difference]: With dead ends: 178 [2023-11-12 02:31:32,051 INFO L226 Difference]: Without dead ends: 96 [2023-11-12 02:31:32,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:32,054 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:32,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 426 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:32,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-12 02:31:32,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2023-11-12 02:31:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.6063829787234043) internal successors, (151), 94 states have internal predecessors, (151), 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) [2023-11-12 02:31:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 151 transitions. [2023-11-12 02:31:32,064 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 151 transitions. Word has length 18 [2023-11-12 02:31:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:32,065 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 151 transitions. [2023-11-12 02:31:32,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-12 02:31:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2023-11-12 02:31:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 02:31:32,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:32,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:32,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:31:32,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:32,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash 898030565, now seen corresponding path program 1 times [2023-11-12 02:31:32,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828819996] [2023-11-12 02:31:32,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:32,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:32,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828819996] [2023-11-12 02:31:32,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828819996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:32,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:32,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:31:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878187778] [2023-11-12 02:31:32,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:32,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:31:32,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:32,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:31:32,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:32,349 INFO L87 Difference]: Start difference. First operand 95 states and 151 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2023-11-12 02:31:32,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:32,390 INFO L93 Difference]: Finished difference Result 181 states and 289 transitions. [2023-11-12 02:31:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:32,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) Word has length 19 [2023-11-12 02:31:32,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:32,393 INFO L225 Difference]: With dead ends: 181 [2023-11-12 02:31:32,393 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 02:31:32,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:31:32,395 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 262 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:32,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 02:31:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2023-11-12 02:31:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 92 states have internal predecessors, (147), 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) [2023-11-12 02:31:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 147 transitions. [2023-11-12 02:31:32,406 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 147 transitions. Word has length 19 [2023-11-12 02:31:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:32,407 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 147 transitions. [2023-11-12 02:31:32,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2023-11-12 02:31:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2023-11-12 02:31:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 02:31:32,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:32,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:32,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:31:32,409 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:32,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:32,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1621929369, now seen corresponding path program 1 times [2023-11-12 02:31:32,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:32,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831245975] [2023-11-12 02:31:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:32,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:32,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:31:32,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831245975] [2023-11-12 02:31:32,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831245975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:32,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:32,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:31:32,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467716112] [2023-11-12 02:31:32,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:32,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:31:32,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:31:32,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:31:32,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:31:32,902 INFO L87 Difference]: Start difference. First operand 93 states and 147 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2023-11-12 02:31:33,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:33,189 INFO L93 Difference]: Finished difference Result 179 states and 283 transitions. [2023-11-12 02:31:33,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:31:33,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) Word has length 19 [2023-11-12 02:31:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:33,194 INFO L225 Difference]: With dead ends: 179 [2023-11-12 02:31:33,194 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 02:31:33,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:31:33,208 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 262 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:33,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 331 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:31:33,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 02:31:33,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 93. [2023-11-12 02:31:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.5869565217391304) internal successors, (146), 92 states have internal predecessors, (146), 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) [2023-11-12 02:31:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2023-11-12 02:31:33,217 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 19 [2023-11-12 02:31:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:33,218 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2023-11-12 02:31:33,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2023-11-12 02:31:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2023-11-12 02:31:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 02:31:33,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:33,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:33,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:31:33,224 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:33,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:33,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1621988951, now seen corresponding path program 1 times [2023-11-12 02:31:33,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:31:33,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299276626] [2023-11-12 02:31:33,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:33,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:31:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:33,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:31:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:31:33,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:31:33,331 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:31:33,332 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:31:33,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:31:33,338 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 02:31:33,341 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:31:33,384 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-12 02:31:33,385 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:31:33,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-12 02:31:33,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 02:31:33,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-12 02:31:33,394 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:31:33,402 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-12 02:31:33,408 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-12 02:31:33,409 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-12 02:31:33,410 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:31:33,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:31:33 BoogieIcfgContainer [2023-11-12 02:31:33,428 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:31:33,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:31:33,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:31:33,431 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:31:33,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:30" (3/4) ... [2023-11-12 02:31:33,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:31:33,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:31:33,435 INFO L158 Benchmark]: Toolchain (without parser) took 4366.38ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 111.5MB in the beginning and 141.5MB in the end (delta: -29.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:33,436 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 109.1MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:33,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.26ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 94.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:31:33,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.48ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 86.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:31:33,440 INFO L158 Benchmark]: Boogie Preprocessor took 145.37ms. Allocated memory is still 140.5MB. Free memory was 86.0MB in the beginning and 82.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:31:33,441 INFO L158 Benchmark]: RCFGBuilder took 1081.74ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 85.2MB in the end (delta: -3.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-12 02:31:33,443 INFO L158 Benchmark]: TraceAbstraction took 2543.09ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 84.6MB in the beginning and 141.5MB in the end (delta: -56.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-12 02:31:33,443 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 199.2MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:31:33,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 109.1MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.26ms. Allocated memory is still 140.5MB. Free memory was 111.2MB in the beginning and 94.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.48ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 86.0MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.37ms. Allocated memory is still 140.5MB. Free memory was 86.0MB in the beginning and 82.5MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.74ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 85.2MB in the end (delta: -3.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2543.09ms. Allocated memory was 140.5MB in the beginning and 199.2MB in the end (delta: 58.7MB). Free memory was 84.6MB in the beginning and 141.5MB in the end (delta: -56.9MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 199.2MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 104. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 31); [L36] const SORT_25 msb_SORT_25 = (SORT_25)1 << (31 - 1); [L38] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 30); [L39] const SORT_35 msb_SORT_35 = (SORT_35)1 << (30 - 1); [L41] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 29); [L42] const SORT_37 msb_SORT_37 = (SORT_37)1 << (29 - 1); [L44] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 2); [L45] const SORT_43 msb_SORT_43 = (SORT_43)1 << (2 - 1); [L47] const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 28); [L48] const SORT_49 msb_SORT_49 = (SORT_49)1 << (28 - 1); [L50] const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 26); [L51] const SORT_51 msb_SORT_51 = (SORT_51)1 << (26 - 1); [L53] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 4); [L54] const SORT_57 msb_SORT_57 = (SORT_57)1 << (4 - 1); [L56] const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 24); [L57] const SORT_63 msb_SORT_63 = (SORT_63)1 << (24 - 1); [L59] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 20); [L60] const SORT_65 msb_SORT_65 = (SORT_65)1 << (20 - 1); [L62] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 8); [L63] const SORT_71 msb_SORT_71 = (SORT_71)1 << (8 - 1); [L65] const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 16); [L66] const SORT_77 msb_SORT_77 = (SORT_77)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_5 var_11 = 2863311530; [L70] const SORT_3 var_15 = 1; [L71] const SORT_3 var_22 = 0; [L73] SORT_1 input_2; [L74] SORT_3 input_4; [L75] SORT_5 input_6; [L76] SORT_3 input_7; [L78] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L78] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L79] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L80] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_5 init_10_arg_1 = var_8; [L83] state_9 = init_10_arg_1 [L84] SORT_5 init_20_arg_1 = var_8; [L85] state_19 = init_20_arg_1 [L86] SORT_3 init_24_arg_1 = var_22; [L87] state_23 = init_24_arg_1 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] EXPR input_7 & mask_SORT_3 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0] [L104] EXPR var_17_arg_0 & var_17_arg_1 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0] [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] EXPR var_17 & mask_SORT_3 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=1, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_8=0] [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 526 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 1376 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 832 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 544 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:31:33,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 64bit --witnessprinter.graph.data.programhash d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:36,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:36,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-12 02:31:36,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:36,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:36,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:36,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:36,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:36,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:31:36,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:31:36,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:36,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:36,265 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:36,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:36,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:31:36,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:36,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:31:36,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:31:36,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:31:36,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:31:36,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:31:36,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:31:36,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:36,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:36,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:36,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:36,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:31:36,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:36,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:36,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:31:36,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:31:36,277 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:31:36,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:31:36,279 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:31:36,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:31:36,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:31:36,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:31:36,281 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:31:36,281 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:31:36,282 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_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58fddfa4cf482321dbdf1232482f8f34318cf991749c3b32b04a6dcba45ac13 [2023-11-12 02:31:36,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:36,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:36,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:36,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:36,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:36,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-12 02:31:39,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:40,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:40,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-12 02:31:40,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data/3d9d12d09/7774448e9e084b15ad7f85631e5d2861/FLAG16a9be181 [2023-11-12 02:31:40,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/data/3d9d12d09/7774448e9e084b15ad7f85631e5d2861 [2023-11-12 02:31:40,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:40,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:40,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:40,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:40,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:40,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b8fe85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40, skipping insertion in model container [2023-11-12 02:31:40,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:31:40,374 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_ec921450-b50c-4746-9753-a6b9bbb66507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-12 02:31:40,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:40,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:31:40,503 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_ec921450-b50c-4746-9753-a6b9bbb66507/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_spinner32.c[1259,1272] [2023-11-12 02:31:40,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:31:40,636 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:31:40,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40 WrapperNode [2023-11-12 02:31:40,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:40,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:40,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:31:40,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:31:40,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,722 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 230 [2023-11-12 02:31:40,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:31:40,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:31:40,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:31:40,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:31:40,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:31:40,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:31:40,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:31:40,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:31:40,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (1/1) ... [2023-11-12 02:31:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:40,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:31:40,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:31:40,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:31:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:31:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:31:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:31:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:31:41,050 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:31:41,052 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:31:41,458 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:31:41,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:31:41,465 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:31:41,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:41 BoogieIcfgContainer [2023-11-12 02:31:41,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:31:41,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:31:41,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:31:41,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:31:41,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:31:40" (1/3) ... [2023-11-12 02:31:41,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b75b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:41, skipping insertion in model container [2023-11-12 02:31:41,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:40" (2/3) ... [2023-11-12 02:31:41,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b75b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:31:41, skipping insertion in model container [2023-11-12 02:31:41,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:41" (3/3) ... [2023-11-12 02:31:41,482 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_spinner32.c [2023-11-12 02:31:41,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:31:41,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:31:41,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:31:41,555 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=LoopHeads, 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;@40ffabe5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:31:41,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:31:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-11-12 02:31:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 02:31:41,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:41,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:31:41,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:41,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:41,581 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-12 02:31:41,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:31:41,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531729909] [2023-11-12 02:31:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:41,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:41,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:31:41,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:31:41,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:31:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:41,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:31:41,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:42,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:31:42,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:31:42,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531729909] [2023-11-12 02:31:42,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531729909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:31:42,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:31:42,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:31:42,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762089808] [2023-11-12 02:31:42,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:31:42,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:31:42,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:31:42,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:31:42,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:31:42,174 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-12 02:31:42,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:31:42,258 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-12 02:31:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:31:42,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2023-11-12 02:31:42,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:31:42,268 INFO L225 Difference]: With dead ends: 19 [2023-11-12 02:31:42,269 INFO L226 Difference]: Without dead ends: 10 [2023-11-12 02:31:42,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:31:42,275 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:31:42,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:31:42,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-12 02:31:42,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-12 02:31:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2023-11-12 02:31:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 02:31:42,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-12 02:31:42,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:31:42,311 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 02:31:42,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-12 02:31:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-12 02:31:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 02:31:42,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:31:42,313 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:31:42,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:31:42,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:42,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:31:42,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:31:42,526 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-12 02:31:42,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:31:42,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058020226] [2023-11-12 02:31:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:31:42,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:31:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:31:42,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:31:42,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:31:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:31:42,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 85 conjunts are in the unsatisfiable core [2023-11-12 02:31:42,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:31:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:31:45,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:01,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:32:01,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058020226] [2023-11-12 02:32:01,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058020226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:32:01,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:32:01,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-12 02:32:01,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878255398] [2023-11-12 02:32:01,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:01,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:32:01,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:32:01,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:32:01,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:32:01,185 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-12 02:32:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:02,550 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-12 02:32:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:32:02,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2023-11-12 02:32:02,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:02,557 INFO L225 Difference]: With dead ends: 15 [2023-11-12 02:32:02,561 INFO L226 Difference]: Without dead ends: 13 [2023-11-12 02:32:02,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:32:02,566 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:02,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:32:02,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-12 02:32:02,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-12 02:32:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2023-11-12 02:32:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-12 02:32:02,578 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-12 02:32:02,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:02,578 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-12 02:32:02,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2023-11-12 02:32:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-12 02:32:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 02:32:02,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:02,579 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-12 02:32:02,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:02,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:32:02,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:02,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:02,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-12 02:32:02,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:32:02,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195949790] [2023-11-12 02:32:02,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:32:02,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:32:02,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:32:02,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:32:02,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 02:32:03,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:32:03,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-12 02:32:03,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:32:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:03,422 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-12 02:32:03,422 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:32:03,424 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:32:03,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:03,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:32:03,644 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-12 02:32:03,648 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:32:03,707 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:32:03,707 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:32:03,708 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:32:03,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:32:03 BoogieIcfgContainer [2023-11-12 02:32:03,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:32:03,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:32:03,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:32:03,731 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:32:03,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:31:41" (3/4) ... [2023-11-12 02:32:03,733 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 02:32:03,757 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:32:03,757 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:32:03,758 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:32:03,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:32:03,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:32:03,865 INFO L158 Benchmark]: Toolchain (without parser) took 23690.12ms. Allocated memory was 107.0MB in the beginning and 289.4MB in the end (delta: 182.5MB). Free memory was 82.7MB in the beginning and 211.1MB in the end (delta: -128.4MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-11-12 02:32:03,866 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:03,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.79ms. Allocated memory is still 107.0MB. Free memory was 82.7MB in the beginning and 65.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:32:03,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.48ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 62.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:32:03,867 INFO L158 Benchmark]: Boogie Preprocessor took 59.89ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:03,867 INFO L158 Benchmark]: RCFGBuilder took 684.53ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 71.6MB in the end (delta: -11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:32:03,868 INFO L158 Benchmark]: TraceAbstraction took 22257.96ms. Allocated memory was 107.0MB in the beginning and 289.4MB in the end (delta: 182.5MB). Free memory was 71.1MB in the beginning and 219.5MB in the end (delta: -148.4MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:03,868 INFO L158 Benchmark]: Witness Printer took 133.61ms. Allocated memory is still 289.4MB. Free memory was 219.5MB in the beginning and 211.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:32:03,870 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.79ms. Allocated memory is still 107.0MB. Free memory was 82.7MB in the beginning and 65.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.48ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 62.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.89ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 684.53ms. Allocated memory is still 107.0MB. Free memory was 60.7MB in the beginning and 71.6MB in the end (delta: -11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 22257.96ms. Allocated memory was 107.0MB in the beginning and 289.4MB in the end (delta: 182.5MB). Free memory was 71.1MB in the beginning and 219.5MB in the end (delta: -148.4MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Witness Printer took 133.61ms. Allocated memory is still 289.4MB. Free memory was 219.5MB in the beginning and 211.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L35] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 31); [L36] const SORT_25 msb_SORT_25 = (SORT_25)1 << (31 - 1); [L38] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 30); [L39] const SORT_35 msb_SORT_35 = (SORT_35)1 << (30 - 1); [L41] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 29); [L42] const SORT_37 msb_SORT_37 = (SORT_37)1 << (29 - 1); [L44] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 2); [L45] const SORT_43 msb_SORT_43 = (SORT_43)1 << (2 - 1); [L47] const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 28); [L48] const SORT_49 msb_SORT_49 = (SORT_49)1 << (28 - 1); [L50] const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 26); [L51] const SORT_51 msb_SORT_51 = (SORT_51)1 << (26 - 1); [L53] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 4); [L54] const SORT_57 msb_SORT_57 = (SORT_57)1 << (4 - 1); [L56] const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 24); [L57] const SORT_63 msb_SORT_63 = (SORT_63)1 << (24 - 1); [L59] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 20); [L60] const SORT_65 msb_SORT_65 = (SORT_65)1 << (20 - 1); [L62] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 8); [L63] const SORT_71 msb_SORT_71 = (SORT_71)1 << (8 - 1); [L65] const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 16); [L66] const SORT_77 msb_SORT_77 = (SORT_77)1 << (16 - 1); [L68] const SORT_5 var_8 = 0; [L69] const SORT_5 var_11 = 2863311530; [L70] const SORT_3 var_15 = 1; [L71] const SORT_3 var_22 = 0; [L73] SORT_1 input_2; [L74] SORT_3 input_4; [L75] SORT_5 input_6; [L76] SORT_3 input_7; [L78] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L79] SORT_5 state_19 = __VERIFIER_nondet_uint() & mask_SORT_5; [L80] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_5 init_10_arg_1 = var_8; [L83] state_9 = init_10_arg_1 [L84] SORT_5 init_20_arg_1 = var_8; [L85] state_19 = init_20_arg_1 [L86] SORT_3 init_24_arg_1 = var_22; [L87] state_23 = init_24_arg_1 VAL [init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, state_19=0, state_23=0, state_9=0, var_11=2863311530, var_15=1, var_22=0, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L107] RET __VERIFIER_assert(!(bad_18_arg_0)) [L109] SORT_1 var_81_arg_0 = input_2; [L110] SORT_3 var_81 = var_81_arg_0 >> 4; [L111] var_81 = var_81 & mask_SORT_3 [L112] SORT_1 var_68_arg_0 = input_2; [L113] SORT_3 var_68 = var_68_arg_0 >> 3; [L114] var_68 = var_68 & mask_SORT_3 [L115] SORT_1 var_54_arg_0 = input_2; [L116] SORT_3 var_54 = var_54_arg_0 >> 2; [L117] var_54 = var_54 & mask_SORT_3 [L118] SORT_1 var_40_arg_0 = input_2; [L119] SORT_3 var_40 = var_40_arg_0 >> 1; [L120] var_40 = var_40 & mask_SORT_3 [L121] SORT_1 var_28_arg_0 = input_2; [L122] SORT_3 var_28 = var_28_arg_0 >> 0; [L123] var_28 = var_28 & mask_SORT_3 [L124] SORT_5 var_32_arg_0 = state_19; [L125] SORT_3 var_32 = var_32_arg_0 >> 0; [L126] SORT_5 var_31_arg_0 = state_19; [L127] SORT_3 var_31 = var_31_arg_0 >> 31; [L128] SORT_3 var_33_arg_0 = var_28; [L129] SORT_3 var_33_arg_1 = var_32; [L130] SORT_3 var_33_arg_2 = var_31; [L131] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L132] SORT_5 var_27_arg_0 = state_19; [L133] SORT_25 var_27 = var_27_arg_0 >> 1; [L134] SORT_5 var_26_arg_0 = state_19; [L135] SORT_25 var_26 = var_26_arg_0 >> 0; [L136] SORT_3 var_29_arg_0 = var_28; [L137] SORT_25 var_29_arg_1 = var_27; [L138] SORT_25 var_29_arg_2 = var_26; [L139] SORT_25 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L140] SORT_25 var_38_arg_0 = var_29; [L141] SORT_37 var_38 = var_38_arg_0 >> 2; [L142] var_38 = var_38 & mask_SORT_37 [L143] SORT_3 var_39_arg_0 = var_33; [L144] SORT_37 var_39_arg_1 = var_38; [L145] SORT_35 var_39 = ((SORT_35)var_39_arg_0 << 29) | var_39_arg_1; [L146] SORT_25 var_36_arg_0 = var_29; [L147] SORT_35 var_36 = var_36_arg_0 >> 0; [L148] SORT_3 var_41_arg_0 = var_40; [L149] SORT_35 var_41_arg_1 = var_39; [L150] SORT_35 var_41_arg_2 = var_36; [L151] SORT_35 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L152] SORT_35 var_60_arg_0 = var_41; [L153] SORT_57 var_60 = var_60_arg_0 >> 0; [L154] SORT_25 var_46_arg_0 = var_29; [L155] SORT_43 var_46 = var_46_arg_0 >> 0; [L156] SORT_25 var_44_arg_0 = var_29; [L157] SORT_3 var_44 = var_44_arg_0 >> 30; [L158] var_44 = var_44 & mask_SORT_3 [L159] SORT_3 var_45_arg_0 = var_33; [L160] SORT_3 var_45_arg_1 = var_44; [L161] SORT_43 var_45 = ((SORT_43)var_45_arg_0 << 1) | var_45_arg_1; [L162] SORT_3 var_47_arg_0 = var_40; [L163] SORT_43 var_47_arg_1 = var_46; [L164] SORT_43 var_47_arg_2 = var_45; [L165] SORT_43 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L166] SORT_35 var_58_arg_0 = var_41; [L167] SORT_43 var_58 = var_58_arg_0 >> 28; [L168] var_58 = var_58 & mask_SORT_43 [L169] SORT_43 var_59_arg_0 = var_47; [L170] SORT_43 var_59_arg_1 = var_58; [L171] SORT_57 var_59 = ((SORT_57)var_59_arg_0 << 2) | var_59_arg_1; [L172] SORT_3 var_61_arg_0 = var_54; [L173] SORT_57 var_61_arg_1 = var_60; [L174] SORT_57 var_61_arg_2 = var_59; [L175] SORT_57 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L176] SORT_35 var_52_arg_0 = var_41; [L177] SORT_51 var_52 = var_52_arg_0 >> 4; [L178] var_52 = var_52 & mask_SORT_51 [L179] SORT_43 var_53_arg_0 = var_47; [L180] SORT_51 var_53_arg_1 = var_52; [L181] SORT_49 var_53 = ((SORT_49)var_53_arg_0 << 26) | var_53_arg_1; [L182] SORT_35 var_50_arg_0 = var_41; [L183] SORT_49 var_50 = var_50_arg_0 >> 0; [L184] SORT_3 var_55_arg_0 = var_54; [L185] SORT_49 var_55_arg_1 = var_53; [L186] SORT_49 var_55_arg_2 = var_50; [L187] SORT_49 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L188] SORT_49 var_66_arg_0 = var_55; [L189] SORT_65 var_66 = var_66_arg_0 >> 8; [L190] var_66 = var_66 & mask_SORT_65 [L191] SORT_57 var_67_arg_0 = var_61; [L192] SORT_65 var_67_arg_1 = var_66; [L193] SORT_63 var_67 = ((SORT_63)var_67_arg_0 << 20) | var_67_arg_1; [L194] SORT_49 var_64_arg_0 = var_55; [L195] SORT_63 var_64 = var_64_arg_0 >> 0; [L196] SORT_3 var_69_arg_0 = var_68; [L197] SORT_63 var_69_arg_1 = var_67; [L198] SORT_63 var_69_arg_2 = var_64; [L199] SORT_63 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L200] SORT_63 var_78_arg_0 = var_69; [L201] SORT_77 var_78 = var_78_arg_0 >> 0; [L202] SORT_49 var_74_arg_0 = var_55; [L203] SORT_71 var_74 = var_74_arg_0 >> 0; [L204] SORT_49 var_72_arg_0 = var_55; [L205] SORT_57 var_72 = var_72_arg_0 >> 24; [L206] var_72 = var_72 & mask_SORT_57 [L207] SORT_57 var_73_arg_0 = var_61; [L208] SORT_57 var_73_arg_1 = var_72; [L209] SORT_71 var_73 = ((SORT_71)var_73_arg_0 << 4) | var_73_arg_1; [L210] SORT_3 var_75_arg_0 = var_68; [L211] SORT_71 var_75_arg_1 = var_74; [L212] SORT_71 var_75_arg_2 = var_73; [L213] SORT_71 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L214] SORT_63 var_79_arg_0 = var_69; [L215] SORT_71 var_79 = var_79_arg_0 >> 16; [L216] var_79 = var_79 & mask_SORT_71 [L217] SORT_71 var_80_arg_0 = var_75; [L218] SORT_71 var_80_arg_1 = var_79; [L219] SORT_77 var_80 = ((SORT_77)var_80_arg_0 << 8) | var_80_arg_1; [L220] SORT_3 var_84_arg_0 = var_81; [L221] SORT_77 var_84_arg_1 = var_78; [L222] SORT_77 var_84_arg_2 = var_80; [L223] SORT_77 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L224] SORT_3 var_82_arg_0 = var_81; [L225] SORT_77 var_82_arg_1 = var_80; [L226] SORT_77 var_82_arg_2 = var_78; [L227] SORT_77 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L228] var_82 = var_82 & mask_SORT_77 [L229] SORT_77 var_86_arg_0 = var_84; [L230] SORT_77 var_86_arg_1 = var_82; [L231] SORT_5 var_86 = ((SORT_5)var_86_arg_0 << 16) | var_86_arg_1; [L232] var_86 = var_86 & mask_SORT_5 [L233] SORT_5 next_87_arg_1 = var_86; [L234] SORT_3 var_88_arg_0 = state_23; [L235] SORT_5 var_88_arg_1 = state_9; [L236] SORT_5 var_88_arg_2 = input_6; [L237] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L238] SORT_5 next_89_arg_1 = var_88; [L239] SORT_3 next_90_arg_1 = input_7; [L241] state_9 = next_87_arg_1 [L242] state_19 = next_89_arg_1 [L243] state_23 = next_90_arg_1 VAL [bad_18_arg_0=0, init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_2=0, input_6=2863311530, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, next_87_arg_1=0, next_89_arg_1=2863311530, next_90_arg_1=0, state_19=2863311530, state_23=0, state_9=0, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=0, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_28=0, var_28_arg_0=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_31=0, var_31_arg_0=0, var_32=0, var_32_arg_0=0, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_33_arg_2=0, var_36=0, var_36_arg_0=0, var_38=0, var_38_arg_0=0, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_44=0, var_44_arg_0=0, var_45=0, var_45_arg_0=0, var_45_arg_1=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_47_arg_2=0, var_50=0, var_50_arg_0=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_54=0, var_54_arg_0=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_58=0, var_58_arg_0=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_60=0, var_60_arg_0=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_64=0, var_64_arg_0=0, var_66=0, var_66_arg_0=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_68=0, var_68_arg_0=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_72=0, var_72_arg_0=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=0, var_74_arg_0=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_78=0, var_78_arg_0=0, var_79=0, var_79_arg_0=0, var_80=0, var_80_arg_0=0, var_80_arg_1=0, var_81=0, var_81_arg_0=0, var_82=0, var_82_arg_0=0, var_82_arg_1=0, var_82_arg_2=0, var_84=0, var_84_arg_0=0, var_84_arg_1=0, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_88=2863311530, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=2863311530, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L107] RET __VERIFIER_assert(!(bad_18_arg_0)) [L109] SORT_1 var_81_arg_0 = input_2; [L110] SORT_3 var_81 = var_81_arg_0 >> 4; [L111] var_81 = var_81 & mask_SORT_3 [L112] SORT_1 var_68_arg_0 = input_2; [L113] SORT_3 var_68 = var_68_arg_0 >> 3; [L114] var_68 = var_68 & mask_SORT_3 [L115] SORT_1 var_54_arg_0 = input_2; [L116] SORT_3 var_54 = var_54_arg_0 >> 2; [L117] var_54 = var_54 & mask_SORT_3 [L118] SORT_1 var_40_arg_0 = input_2; [L119] SORT_3 var_40 = var_40_arg_0 >> 1; [L120] var_40 = var_40 & mask_SORT_3 [L121] SORT_1 var_28_arg_0 = input_2; [L122] SORT_3 var_28 = var_28_arg_0 >> 0; [L123] var_28 = var_28 & mask_SORT_3 [L124] SORT_5 var_32_arg_0 = state_19; [L125] SORT_3 var_32 = var_32_arg_0 >> 0; [L126] SORT_5 var_31_arg_0 = state_19; [L127] SORT_3 var_31 = var_31_arg_0 >> 31; [L128] SORT_3 var_33_arg_0 = var_28; [L129] SORT_3 var_33_arg_1 = var_32; [L130] SORT_3 var_33_arg_2 = var_31; [L131] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L132] SORT_5 var_27_arg_0 = state_19; [L133] SORT_25 var_27 = var_27_arg_0 >> 1; [L134] SORT_5 var_26_arg_0 = state_19; [L135] SORT_25 var_26 = var_26_arg_0 >> 0; [L136] SORT_3 var_29_arg_0 = var_28; [L137] SORT_25 var_29_arg_1 = var_27; [L138] SORT_25 var_29_arg_2 = var_26; [L139] SORT_25 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L140] SORT_25 var_38_arg_0 = var_29; [L141] SORT_37 var_38 = var_38_arg_0 >> 2; [L142] var_38 = var_38 & mask_SORT_37 [L143] SORT_3 var_39_arg_0 = var_33; [L144] SORT_37 var_39_arg_1 = var_38; [L145] SORT_35 var_39 = ((SORT_35)var_39_arg_0 << 29) | var_39_arg_1; [L146] SORT_25 var_36_arg_0 = var_29; [L147] SORT_35 var_36 = var_36_arg_0 >> 0; [L148] SORT_3 var_41_arg_0 = var_40; [L149] SORT_35 var_41_arg_1 = var_39; [L150] SORT_35 var_41_arg_2 = var_36; [L151] SORT_35 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L152] SORT_35 var_60_arg_0 = var_41; [L153] SORT_57 var_60 = var_60_arg_0 >> 0; [L154] SORT_25 var_46_arg_0 = var_29; [L155] SORT_43 var_46 = var_46_arg_0 >> 0; [L156] SORT_25 var_44_arg_0 = var_29; [L157] SORT_3 var_44 = var_44_arg_0 >> 30; [L158] var_44 = var_44 & mask_SORT_3 [L159] SORT_3 var_45_arg_0 = var_33; [L160] SORT_3 var_45_arg_1 = var_44; [L161] SORT_43 var_45 = ((SORT_43)var_45_arg_0 << 1) | var_45_arg_1; [L162] SORT_3 var_47_arg_0 = var_40; [L163] SORT_43 var_47_arg_1 = var_46; [L164] SORT_43 var_47_arg_2 = var_45; [L165] SORT_43 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L166] SORT_35 var_58_arg_0 = var_41; [L167] SORT_43 var_58 = var_58_arg_0 >> 28; [L168] var_58 = var_58 & mask_SORT_43 [L169] SORT_43 var_59_arg_0 = var_47; [L170] SORT_43 var_59_arg_1 = var_58; [L171] SORT_57 var_59 = ((SORT_57)var_59_arg_0 << 2) | var_59_arg_1; [L172] SORT_3 var_61_arg_0 = var_54; [L173] SORT_57 var_61_arg_1 = var_60; [L174] SORT_57 var_61_arg_2 = var_59; [L175] SORT_57 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L176] SORT_35 var_52_arg_0 = var_41; [L177] SORT_51 var_52 = var_52_arg_0 >> 4; [L178] var_52 = var_52 & mask_SORT_51 [L179] SORT_43 var_53_arg_0 = var_47; [L180] SORT_51 var_53_arg_1 = var_52; [L181] SORT_49 var_53 = ((SORT_49)var_53_arg_0 << 26) | var_53_arg_1; [L182] SORT_35 var_50_arg_0 = var_41; [L183] SORT_49 var_50 = var_50_arg_0 >> 0; [L184] SORT_3 var_55_arg_0 = var_54; [L185] SORT_49 var_55_arg_1 = var_53; [L186] SORT_49 var_55_arg_2 = var_50; [L187] SORT_49 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L188] SORT_49 var_66_arg_0 = var_55; [L189] SORT_65 var_66 = var_66_arg_0 >> 8; [L190] var_66 = var_66 & mask_SORT_65 [L191] SORT_57 var_67_arg_0 = var_61; [L192] SORT_65 var_67_arg_1 = var_66; [L193] SORT_63 var_67 = ((SORT_63)var_67_arg_0 << 20) | var_67_arg_1; [L194] SORT_49 var_64_arg_0 = var_55; [L195] SORT_63 var_64 = var_64_arg_0 >> 0; [L196] SORT_3 var_69_arg_0 = var_68; [L197] SORT_63 var_69_arg_1 = var_67; [L198] SORT_63 var_69_arg_2 = var_64; [L199] SORT_63 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L200] SORT_63 var_78_arg_0 = var_69; [L201] SORT_77 var_78 = var_78_arg_0 >> 0; [L202] SORT_49 var_74_arg_0 = var_55; [L203] SORT_71 var_74 = var_74_arg_0 >> 0; [L204] SORT_49 var_72_arg_0 = var_55; [L205] SORT_57 var_72 = var_72_arg_0 >> 24; [L206] var_72 = var_72 & mask_SORT_57 [L207] SORT_57 var_73_arg_0 = var_61; [L208] SORT_57 var_73_arg_1 = var_72; [L209] SORT_71 var_73 = ((SORT_71)var_73_arg_0 << 4) | var_73_arg_1; [L210] SORT_3 var_75_arg_0 = var_68; [L211] SORT_71 var_75_arg_1 = var_74; [L212] SORT_71 var_75_arg_2 = var_73; [L213] SORT_71 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L214] SORT_63 var_79_arg_0 = var_69; [L215] SORT_71 var_79 = var_79_arg_0 >> 16; [L216] var_79 = var_79 & mask_SORT_71 [L217] SORT_71 var_80_arg_0 = var_75; [L218] SORT_71 var_80_arg_1 = var_79; [L219] SORT_77 var_80 = ((SORT_77)var_80_arg_0 << 8) | var_80_arg_1; [L220] SORT_3 var_84_arg_0 = var_81; [L221] SORT_77 var_84_arg_1 = var_78; [L222] SORT_77 var_84_arg_2 = var_80; [L223] SORT_77 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L224] SORT_3 var_82_arg_0 = var_81; [L225] SORT_77 var_82_arg_1 = var_80; [L226] SORT_77 var_82_arg_2 = var_78; [L227] SORT_77 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L228] var_82 = var_82 & mask_SORT_77 [L229] SORT_77 var_86_arg_0 = var_84; [L230] SORT_77 var_86_arg_1 = var_82; [L231] SORT_5 var_86 = ((SORT_5)var_86_arg_0 << 16) | var_86_arg_1; [L232] var_86 = var_86 & mask_SORT_5 [L233] SORT_5 next_87_arg_1 = var_86; [L234] SORT_3 var_88_arg_0 = state_23; [L235] SORT_5 var_88_arg_1 = state_9; [L236] SORT_5 var_88_arg_2 = input_6; [L237] SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L238] SORT_5 next_89_arg_1 = var_88; [L239] SORT_3 next_90_arg_1 = input_7; [L241] state_9 = next_87_arg_1 [L242] state_19 = next_89_arg_1 [L243] state_23 = next_90_arg_1 VAL [bad_18_arg_0=0, init_10_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, input_2=24, input_6=0, input_7=0, mask_SORT_1=31, mask_SORT_25=2147483647, mask_SORT_35=1073741823, mask_SORT_37=536870911, mask_SORT_3=1, mask_SORT_43=3, mask_SORT_49=268435455, mask_SORT_51=67108863, mask_SORT_57=15, mask_SORT_5=4294967295, mask_SORT_63=16777215, mask_SORT_65=1048575, mask_SORT_71=255, mask_SORT_77=65535, msb_SORT_1=16, msb_SORT_25=1073741824, msb_SORT_35=536870912, msb_SORT_37=268435456, msb_SORT_3=1, msb_SORT_43=2, msb_SORT_49=134217728, msb_SORT_51=33554432, msb_SORT_57=8, msb_SORT_5=2147483648, msb_SORT_63=8388608, msb_SORT_65=524288, msb_SORT_71=128, msb_SORT_77=32768, next_87_arg_1=2863311530, next_89_arg_1=0, next_90_arg_1=0, state_19=0, state_23=0, state_9=2863311530, var_11=2863311530, var_12=1, var_12_arg_0=0, var_12_arg_1=2863311530, var_15=1, var_16=254, var_16_arg_0=1, var_17=0, var_17_arg_0=1, var_17_arg_1=254, var_22=0, var_26=2863311530, var_26_arg_0=2863311530, var_27=1431655765, var_27_arg_0=2863311530, var_28=0, var_28_arg_0=24, var_29=2863311530, var_29_arg_0=0, var_29_arg_1=1431655765, var_29_arg_2=2863311530, var_31=1, var_31_arg_0=2863311530, var_32=170, var_32_arg_0=2863311530, var_33=1, var_33_arg_0=0, var_33_arg_1=170, var_33_arg_2=1, var_36=2863311530, var_36_arg_0=2863311530, var_38=178956970, var_38_arg_0=2863311530, var_39=715827882, var_39_arg_0=1, var_39_arg_1=178956970, var_40=0, var_40_arg_0=24, var_41=2863311530, var_41_arg_0=0, var_41_arg_1=715827882, var_41_arg_2=2863311530, var_44=0, var_44_arg_0=2863311530, var_45=2, var_45_arg_0=1, var_45_arg_1=0, var_46=170, var_46_arg_0=2863311530, var_47=2, var_47_arg_0=0, var_47_arg_1=170, var_47_arg_2=2, var_50=2863311530, var_50_arg_0=2863311530, var_52=44739242, var_52_arg_0=2863311530, var_53=178956970, var_53_arg_0=2, var_53_arg_1=44739242, var_54=0, var_54_arg_0=24, var_55=2863311530, var_55_arg_0=0, var_55_arg_1=178956970, var_55_arg_2=2863311530, var_58=2, var_58_arg_0=2863311530, var_59=10, var_59_arg_0=2, var_59_arg_1=2, var_60=170, var_60_arg_0=2863311530, var_61=10, var_61_arg_0=0, var_61_arg_1=170, var_61_arg_2=10, var_64=2863311530, var_64_arg_0=2863311530, var_66=699050, var_66_arg_0=2863311530, var_67=11184810, var_67_arg_0=10, var_67_arg_1=699050, var_68=1, var_68_arg_0=24, var_69=11184810, var_69_arg_0=1, var_69_arg_1=11184810, var_69_arg_2=2863311530, var_72=10, var_72_arg_0=2863311530, var_73=170, var_73_arg_0=10, var_73_arg_1=10, var_74=170, var_74_arg_0=2863311530, var_75=170, var_75_arg_0=1, var_75_arg_1=170, var_75_arg_2=170, var_78=43690, var_78_arg_0=11184810, var_79=170, var_79_arg_0=11184810, var_80=43690, var_80_arg_0=170, var_80_arg_1=170, var_81=1, var_81_arg_0=24, var_82=43690, var_82_arg_0=1, var_82_arg_1=43690, var_82_arg_2=43690, var_84=43690, var_84_arg_0=1, var_84_arg_1=43690, var_84_arg_2=43690, var_86=2863311530, var_86_arg_0=43690, var_86_arg_1=43690, var_88=0, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=0, var_8=0] [L90] input_2 = __VERIFIER_nondet_uchar() [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_7 = __VERIFIER_nondet_uchar() [L94] input_7 = input_7 & mask_SORT_3 [L97] SORT_5 var_12_arg_0 = state_9; [L98] SORT_5 var_12_arg_1 = var_11; [L99] SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; [L100] SORT_3 var_16_arg_0 = var_12; [L101] SORT_3 var_16 = ~var_16_arg_0; [L102] SORT_3 var_17_arg_0 = var_15; [L103] SORT_3 var_17_arg_1 = var_16; [L104] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L105] var_17 = var_17 & mask_SORT_3 [L106] SORT_3 bad_18_arg_0 = var_17; [L107] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 5 QuantifiedInterpolants, 43777 SizeOfPredicates, 117 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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! [2023-11-12 02:32:03,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec921450-b50c-4746-9753-a6b9bbb66507/bin/uautomizer-verify-uTZkv6EMXl/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