./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:25,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:25,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:53:25,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:25,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:25,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:25,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:25,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:25,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:25,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:25,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:25,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:25,846 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:25,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:25,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:25,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:25,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:25,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:25,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:25,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:25,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:25,852 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:25,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:25,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:25,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:25,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:25,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:25,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:25,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:25,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:25,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:25,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:25,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:25,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:25,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:25,860 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:25,860 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_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d [2023-11-06 21:53:26,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:26,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:26,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:26,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:26,223 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:26,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-06 21:53:29,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:29,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:29,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-06 21:53:29,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data/c2b2f7344/300343aca03e424988c867a367587ccb/FLAG7ffc8e446 [2023-11-06 21:53:29,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data/c2b2f7344/300343aca03e424988c867a367587ccb [2023-11-06 21:53:29,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:29,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:29,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:29,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:29,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:29,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128152fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29, skipping insertion in model container [2023-11-06 21:53:29,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:29,869 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_d096d0b8-9966-4f63-ab2a-56f557ab7021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-06 21:53:29,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:29,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:29,971 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_d096d0b8-9966-4f63-ab2a-56f557ab7021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-06 21:53:30,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,038 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:30,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30 WrapperNode [2023-11-06 21:53:30,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:30,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:30,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:30,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,146 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 460 [2023-11-06 21:53:30,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:30,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:30,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:30,148 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:30,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:30,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:30,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:30,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:30,240 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:30,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:30,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:30,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:30,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:30,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:53:30,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:30,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:30,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:30,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:31,342 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:31,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:31,350 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:31,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31 BoogieIcfgContainer [2023-11-06 21:53:31,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:31,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:31,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:31,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:31,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:29" (1/3) ... [2023-11-06 21:53:31,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edde254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30" (2/3) ... [2023-11-06 21:53:31,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edde254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/3) ... [2023-11-06 21:53:31,368 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v4.c [2023-11-06 21:53:31,395 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:31,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:31,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:31,460 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56c64aa3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:31,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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) [2023-11-06 21:53:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 21:53:31,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:31,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:31,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:31,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:31,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1716948722, now seen corresponding path program 1 times [2023-11-06 21:53:31,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:31,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993219601] [2023-11-06 21:53:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:31,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:32,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993219601] [2023-11-06 21:53:32,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993219601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:53:32,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997703684] [2023-11-06 21:53:32,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:32,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,337 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 73 states have internal predecessors, (118), 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 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-11-06 21:53:32,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,387 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2023-11-06 21:53:32,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:32,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2023-11-06 21:53:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,399 INFO L225 Difference]: With dead ends: 111 [2023-11-06 21:53:32,399 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 21:53:32,402 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 [2023-11-06 21:53:32,406 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 324 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 [2023-11-06 21:53:32,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 324 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 21:53:32,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-06 21:53:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.6056338028169015) internal successors, (114), 71 states have internal predecessors, (114), 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) [2023-11-06 21:53:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 114 transitions. [2023-11-06 21:53:32,442 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 114 transitions. Word has length 35 [2023-11-06 21:53:32,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,443 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 114 transitions. [2023-11-06 21:53:32,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-11-06 21:53:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2023-11-06 21:53:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-06 21:53:32,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:53:32,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:32,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1684077702, now seen corresponding path program 1 times [2023-11-06 21:53:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215790141] [2023-11-06 21:53:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:32,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215790141] [2023-11-06 21:53:32,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215790141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:53:32,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898943180] [2023-11-06 21:53:32,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:32,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,628 INFO L87 Difference]: Start difference. First operand 72 states and 114 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-06 21:53:32,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,662 INFO L93 Difference]: Finished difference Result 112 states and 175 transitions. [2023-11-06 21:53:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:32,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2023-11-06 21:53:32,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,665 INFO L225 Difference]: With dead ends: 112 [2023-11-06 21:53:32,665 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 21:53:32,666 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 [2023-11-06 21:53:32,668 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 321 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 [2023-11-06 21:53:32,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 321 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 21:53:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-06 21:53:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.5890410958904109) internal successors, (116), 73 states have internal predecessors, (116), 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) [2023-11-06 21:53:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions. [2023-11-06 21:53:32,679 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 36 [2023-11-06 21:53:32,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,680 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions. [2023-11-06 21:53:32,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-11-06 21:53:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-11-06 21:53:32,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 21:53:32,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:53:32,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:32,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash 897773866, now seen corresponding path program 1 times [2023-11-06 21:53:32,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898435789] [2023-11-06 21:53:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:53:32,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:53:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:53:32,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:53:32,905 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:53:32,906 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:53:32,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:53:32,912 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 21:53:32,917 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:53:32,964 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 21:53:32,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:53:32 BoogieIcfgContainer [2023-11-06 21:53:32,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:53:32,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:53:32,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:53:32,978 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:53:32,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/4) ... [2023-11-06 21:53:32,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:53:32,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:53:32,983 INFO L158 Benchmark]: Toolchain (without parser) took 3310.12ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 129.5MB in the end (delta: 15.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,984 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 176.2MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:32,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.25ms. Allocated memory is still 176.2MB. Free memory was 144.1MB in the beginning and 127.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.30ms. Allocated memory is still 176.2MB. Free memory was 127.8MB in the beginning and 118.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,986 INFO L158 Benchmark]: Boogie Preprocessor took 90.48ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 115.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,986 INFO L158 Benchmark]: RCFGBuilder took 1114.07ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 71.7MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-06 21:53:32,987 INFO L158 Benchmark]: TraceAbstraction took 1618.90ms. Allocated memory is still 176.2MB. Free memory was 71.2MB in the beginning and 129.5MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:32,987 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 176.2MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:32,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 176.2MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.25ms. Allocated memory is still 176.2MB. Free memory was 144.1MB in the beginning and 127.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.30ms. Allocated memory is still 176.2MB. Free memory was 127.8MB in the beginning and 118.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.48ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 115.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1114.07ms. Allocated memory is still 176.2MB. Free memory was 115.2MB in the beginning and 71.7MB in the end (delta: 43.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1618.90ms. Allocated memory is still 176.2MB. Free memory was 71.2MB in the beginning and 129.5MB in the end (delta: -58.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 176.2MB. Free memory is still 129.5MB. There was no memory consumed. 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 - 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 99. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_9 = 0; [L33] const SORT_5 var_17 = 1; [L34] const SORT_5 var_29 = 0; [L35] const SORT_1 var_75 = 1; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L39] SORT_1 input_4; [L40] SORT_5 input_6; [L41] SORT_5 input_7; [L42] SORT_5 input_8; [L43] SORT_5 input_27; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, var_17=1, var_29=0, var_75=1, var_9=0] [L45] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, var_17=1, var_29=0, var_75=1, var_9=0] [L46] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, var_17=1, var_29=0, var_75=1, var_9=0] [L47] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, var_17=1, var_29=0, var_75=1, var_9=0] [L48] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, var_17=1, var_29=0, var_75=1, var_9=0] [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [__VERIFIER_nondet_uchar() & mask_SORT_5=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, var_17=1, var_29=0, var_75=1, var_9=0] [L50] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, var_17=1, var_29=0, var_75=1, var_9=0] [L51] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [__VERIFIER_nondet_uchar() & mask_SORT_5=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, var_17=1, var_29=0, var_75=1, var_9=0] [L52] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, var_17=1, var_29=0, var_75=1, var_9=0] [L53] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, var_17=1, var_29=0, var_75=1, var_9=0] [L54] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, var_17=1, var_29=0, var_75=1, var_9=0] [L55] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_11_arg_1 = var_9; [L58] state_10 = init_11_arg_1 [L59] SORT_1 init_13_arg_1 = var_9; [L60] state_12 = init_13_arg_1 [L61] SORT_1 init_22_arg_1 = var_9; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_9; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_5 init_31_arg_1 = var_29; [L68] state_30 = init_31_arg_1 [L69] SORT_1 init_33_arg_1 = var_9; [L70] state_32 = init_33_arg_1 [L71] SORT_5 init_35_arg_1 = var_29; [L72] state_34 = init_35_arg_1 [L73] SORT_1 init_37_arg_1 = var_9; [L74] state_36 = init_37_arg_1 [L75] SORT_1 init_40_arg_1 = var_9; [L76] state_39 = init_40_arg_1 [L77] SORT_1 init_42_arg_1 = var_9; [L78] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_3 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_6 = __VERIFIER_nondet_uchar() [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7 & mask_SORT_5=0, input_7=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L86] input_7 = input_7 & mask_SORT_5 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8 & mask_SORT_5=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L88] input_8 = input_8 & mask_SORT_5 [L89] input_27 = __VERIFIER_nondet_uchar() [L92] SORT_1 var_14_arg_0 = state_10; [L93] SORT_1 var_14_arg_1 = state_12; [L94] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L95] SORT_5 var_18_arg_0 = var_14; [L96] SORT_5 var_18 = ~var_18_arg_0; [L97] SORT_5 var_19_arg_0 = var_17; [L98] SORT_5 var_19_arg_1 = var_18; VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L99] EXPR var_19_arg_0 & var_19_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19_arg_0 & var_19_arg_1=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L99] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L100] EXPR var_19 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19 & mask_SORT_5=1, var_19=1, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_75=1, var_9=0] [L100] var_19 = var_19 & mask_SORT_5 [L101] SORT_5 bad_20_arg_0 = var_19; [L102] CALL __VERIFIER_assert(!(bad_20_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, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 645 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 425 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 220 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2023-11-06 21:53:33,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:35,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:35,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 21:53:35,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:35,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:35,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:35,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:35,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:35,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:35,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:35,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:35,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:35,930 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:35,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:35,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:35,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:35,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:35,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:35,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:35,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:53:35,936 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:53:35,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:53:35,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:35,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:35,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:35,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:35,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:35,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:35,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:35,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:35,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:35,942 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:53:35,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:53:35,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:35,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:35,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:35,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:35,944 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:53:35,944 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:35,945 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_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed4a8166e43af31025ed37886c26d8ffdcca7c92b59539857ec6cced7b52d7d [2023-11-06 21:53:36,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:36,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:36,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:36,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:36,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:36,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-06 21:53:39,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:39,989 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:39,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c [2023-11-06 21:53:40,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data/b5e8b26b2/b56145c748ce4d829cb489551130e900/FLAG54babde65 [2023-11-06 21:53:40,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/data/b5e8b26b2/b56145c748ce4d829cb489551130e900 [2023-11-06 21:53:40,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:40,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:40,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:40,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:40,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:40,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570d354f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40, skipping insertion in model container [2023-11-06 21:53:40,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:40,215 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_d096d0b8-9966-4f63-ab2a-56f557ab7021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-06 21:53:40,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:40,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:40,309 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_d096d0b8-9966-4f63-ab2a-56f557ab7021/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v4.c[1249,1262] [2023-11-06 21:53:40,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:40,422 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:40,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40 WrapperNode [2023-11-06 21:53:40,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:40,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:40,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:40,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:40,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,488 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 250 [2023-11-06 21:53:40,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:40,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:40,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:40,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:40,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:40,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:40,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:40,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:40,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (1/1) ... [2023-11-06 21:53:40,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:40,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:40,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:40,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:53:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:40,804 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:40,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:41,219 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:41,225 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:41,225 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:41,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:41 BoogieIcfgContainer [2023-11-06 21:53:41,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:41,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:41,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:41,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:41,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:40" (1/3) ... [2023-11-06 21:53:41,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f9129d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:41, skipping insertion in model container [2023-11-06 21:53:41,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:40" (2/3) ... [2023-11-06 21:53:41,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f9129d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:41, skipping insertion in model container [2023-11-06 21:53:41,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:41" (3/3) ... [2023-11-06 21:53:41,238 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v4.c [2023-11-06 21:53:41,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:41,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:41,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:41,332 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73d3e51f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:41,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:41,338 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) [2023-11-06 21:53:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 21:53:41,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:41,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:53:41,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:41,354 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:41,354 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 21:53:41,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:41,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655921292] [2023-11-06 21:53:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:41,370 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 [2023-11-06 21:53:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:41,378 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:53:41,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:41,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 21:53:41,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:41,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:53:41,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:41,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655921292] [2023-11-06 21:53:41,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655921292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:41,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:41,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:53:41,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81790536] [2023-11-06 21:53:41,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:41,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:41,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:41,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:41,877 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) [2023-11-06 21:53:41,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:41,953 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 21:53:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:41,956 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 [2023-11-06 21:53:41,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:41,964 INFO L225 Difference]: With dead ends: 19 [2023-11-06 21:53:41,964 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 21:53:41,968 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 [2023-11-06 21:53:41,972 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 [2023-11-06 21:53:41,974 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] [2023-11-06 21:53:41,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 21:53:42,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 21:53:42,006 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) [2023-11-06 21:53:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 21:53:42,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 21:53:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:42,009 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 21:53:42,009 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) [2023-11-06 21:53:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 21:53:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 21:53:42,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:42,011 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:42,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:42,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:42,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:42,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:42,224 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 21:53:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025207535] [2023-11-06 21:53:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:42,227 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 [2023-11-06 21:53:42,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:42,228 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:53:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:42,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 21:53:42,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:43,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:53:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:44,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025207535] [2023-11-06 21:53:44,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025207535] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:53:44,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:53:44,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 21:53:44,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995875439] [2023-11-06 21:53:44,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:53:44,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 21:53:44,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:44,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 21:53:44,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:53:44,518 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2023-11-06 21:53:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:44,705 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 21:53:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:53:44,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2023-11-06 21:53:44,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:44,708 INFO L225 Difference]: With dead ends: 15 [2023-11-06 21:53:44,708 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 21:53:44,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-06 21:53:44,710 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:44,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:53:44,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 21:53:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 21:53:44,715 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) [2023-11-06 21:53:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 21:53:44,716 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 21:53:44,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:44,718 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 21:53:44,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2023-11-06 21:53:44,718 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 21:53:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 21:53:44,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:44,729 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 21:53:44,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:44,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:44,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:44,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:44,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 21:53:44,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:44,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928508714] [2023-11-06 21:53:44,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 21:53:44,941 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 [2023-11-06 21:53:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:44,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:53:44,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:45,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 21:53:45,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 21:53:45,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-06 21:53:45,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:46,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:53:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:53,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:53:53,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928508714] [2023-11-06 21:53:53,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928508714] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:53:53,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:53:53,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 21:53:53,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026281431] [2023-11-06 21:53:53,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:53:53,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 21:53:53,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:53:53,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 21:53:53,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:53:53,502 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2023-11-06 21:53:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:53,880 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 21:53:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:53:53,882 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2023-11-06 21:53:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:53,882 INFO L225 Difference]: With dead ends: 18 [2023-11-06 21:53:53,882 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 21:53:53,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-06 21:53:53,884 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:53,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 30 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:53:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 21:53:53,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 21:53:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2023-11-06 21:53:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 21:53:53,890 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 21:53:53,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:53,890 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 21:53:53,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2023-11-06 21:53:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 21:53:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 21:53:53,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:53,892 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 21:53:53,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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)] Ended with exit code 0 [2023-11-06 21:53:54,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:53:54,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:54,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:54,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 21:53:54,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:53:54,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678457945] [2023-11-06 21:53:54,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 21:53:54,107 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 [2023-11-06 21:53:54,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:53:54,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:53:54,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Waiting until timeout for monitored process [2023-11-06 21:53:54,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 21:53:54,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 21:53:54,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 153 conjunts are in the unsatisfiable core [2023-11-06 21:53:54,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:54:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:54:00,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:54:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:54:36,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 21:54:36,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678457945] [2023-11-06 21:54:36,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678457945] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:54:36,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 21:54:36,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-11-06 21:54:36,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736525816] [2023-11-06 21:54:36,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 21:54:36,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 21:54:36,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 21:54:36,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 21:54:36,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=252, Unknown=4, NotChecked=0, Total=306 [2023-11-06 21:54:36,181 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2023-11-06 21:54:40,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 21:54:42,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 21:54:44,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 21:54:46,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:46,915 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 21:54:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:54:46,918 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 14 [2023-11-06 21:54:46,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:46,919 INFO L225 Difference]: With dead ends: 15 [2023-11-06 21:54:46,919 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:54:46,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=98, Invalid=317, Unknown=5, NotChecked=0, Total=420 [2023-11-06 21:54:46,921 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:46,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2023-11-06 21:54:46,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:54:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:54:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:54:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:54:46,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-06 21:54:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:46,924 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:54:46,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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) [2023-11-06 21:54:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:54:46,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:54:46,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:54:46,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Forceful destruction successful, exit code 0 [2023-11-06 21:54:47,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:54:47,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:55:08,775 WARN L293 SmtUtils]: Spent 21.52s on a formula simplification. DAG size of input: 390 DAG size of output: 244 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 21:55:08,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:55:08,789 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-06 21:55:08,789 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-06 21:55:08,790 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-06 21:55:08,792 INFO L895 garLoopResultBuilder]: At program point L79-2(lines 79 230) the Hoare annotation is: (let ((.cse10 (= (_ bv1 8) |ULTIMATE.start_main_~var_17~0#1|)) (.cse24 (= (_ bv1 8) |ULTIMATE.start_main_~var_75~0#1|)) (.cse25 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse26 (= |ULTIMATE.start_main_~var_29~0#1| (_ bv0 8))) (.cse31 (= (_ bv0 8) |ULTIMATE.start_main_~state_30~0#1|)) (.cse28 (= |ULTIMATE.start_main_~var_9~0#1| (_ bv0 8))) (.cse29 (= (bvadd (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (_ bv0 8))) (.cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_34~0#1|))) (or (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_25~0#1|)))) (.cse14 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_30~0#1|))) (_ bv1 32))) (_ bv0 8))) (.cse18 ((_ zero_extend 24) |ULTIMATE.start_main_~state_21~0#1|))) (let ((.cse19 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) .cse18))) (_ bv255 32)))) (_ bv1 32))) (.cse16 (not .cse14)) (.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~state_39~0#1|))))) (_ bv255 32))))) (.cse15 (bvneg .cse11)) (.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~state_23~0#1|))) (and (or (and (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse0 ((_ zero_extend 24) ((_ extract 7 0) .cse2))) (.cse1 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (not (= ((_ extract 7 0) (bvand .cse0 (_ bv1 32))) (_ bv0 8))) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse1)) .cse0)))))) |ULTIMATE.start_main_~state_36~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse1))))) .cse3)))))))) |ULTIMATE.start_main_~state_41~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse3))) |ULTIMATE.start_main_~state_32~0#1|))))) (exists ((|v_ULTIMATE.start_main_#t~nondet19#1_23| (_ BitVec 8))) (let ((.cse4 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet19#1_23|) (_ bv1 32))))) (and (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) .cse4))))))) |ULTIMATE.start_main_~state_34~0#1|) (not (= .cse4 (_ bv0 8))))))) (and .cse5 (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse6))) (.cse8 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (= |ULTIMATE.start_main_~state_41~0#1| ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 .cse7))))) (bvneg .cse8)))))))))) (not (= ((_ extract 7 0) (bvand .cse9 (_ bv1 32))) (_ bv0 8))) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse7)) .cse9)))))) |ULTIMATE.start_main_~state_36~0#1|) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse8))) |ULTIMATE.start_main_~state_32~0#1|))))))) .cse10 (exists ((|v_ULTIMATE.start_main_#t~nondet19#1_23| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet19#1_23|) (_ bv1 32))) |ULTIMATE.start_main_~input_7~0#1|)) (or (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse17 .cse18))))))))) (and (or (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse12))))))) (_ bv255 32)))) .cse13) .cse14) (or (= .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse12))))))))))) .cse16))) (not .cse19)) (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_43_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_45_arg_0~0#1| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_0~0#1|))) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse23))) (.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~var_43_arg_1~0#1|)) (.cse21 ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|))) (and (not (= ((_ extract 7 0) (bvand .cse20 (_ bv1 32))) (_ bv0 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse21)))) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) .cse22)) .cse20)))))))))))))) (_ bv255 32))) |ULTIMATE.start_main_~state_12~0#1|) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 .cse22))))) .cse21))))))))))) (_ bv255 32))) |ULTIMATE.start_main_~state_10~0#1|))))) .cse24 .cse25 .cse26 (or .cse19 (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse17) .cse18))))))))) (and (or .cse14 (= .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse27)))))))))))) (or .cse16 (= .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 .cse15))))))) (_ bv255 32))))))))) .cse28 .cse29 (or (exists ((|v_ULTIMATE.start_main_#t~nondet19#1_23| (_ BitVec 8))) (let ((.cse30 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet19#1_23|) (_ bv1 32))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) .cse30)) |ULTIMATE.start_main_~state_30~0#1|) (not (= .cse30 (_ bv0 8)))))) .cse31) (exists ((|v_ULTIMATE.start_main_#t~nondet20#1_25| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet20#1_25|) (_ bv1 32))) |ULTIMATE.start_main_~input_8~0#1|))))) (and (= (_ bv0 8) |ULTIMATE.start_main_~state_21~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|) .cse10 .cse24 .cse25 .cse26 (= (_ bv0 8) |ULTIMATE.start_main_~state_25~0#1|) .cse31 (= (_ bv0 8) |ULTIMATE.start_main_~state_39~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_41~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_12~0#1|) .cse28 .cse29 .cse5 (= (_ bv0 8) |ULTIMATE.start_main_~state_32~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_36~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|)))) [2023-11-06 21:55:08,792 INFO L899 garLoopResultBuilder]: For program point L79-3(lines 79 230) no Hoare annotation was computed. [2023-11-06 21:55:08,792 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:55:08,793 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 232) the Hoare annotation is: false [2023-11-06 21:55:08,793 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:55:08,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:55:08,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-06 21:55:08,797 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-06 21:55:08,799 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:55:08,818 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,819 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,821 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,821 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == ~input_7~0) could not be translated [2023-11-06 21:55:08,823 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated [2023-11-06 21:55:08,825 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,826 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_25 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_25), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 21:55:08,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,828 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,829 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == ~input_7~0) could not be translated [2023-11-06 21:55:08,830 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated [2023-11-06 21:55:08,832 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,833 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_25 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_25), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 21:55:08,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:55:08 BoogieIcfgContainer [2023-11-06 21:55:08,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:55:08,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:55:08,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:55:08,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:55:08,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:41" (3/4) ... [2023-11-06 21:55:08,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:55:08,851 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 21:55:08,852 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:55:08,852 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:55:08,853 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:55:08,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:55:08,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:55:08,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:55:08,936 INFO L158 Benchmark]: Toolchain (without parser) took 88918.02ms. Allocated memory was 67.1MB in the beginning and 482.3MB in the end (delta: 415.2MB). Free memory was 42.7MB in the beginning and 228.4MB in the end (delta: -185.7MB). Peak memory consumption was 230.7MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,937 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:55:08,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.69ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.3MB in the beginning and 75.3MB in the end (delta: -33.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.12ms. Allocated memory is still 98.6MB. Free memory was 75.3MB in the beginning and 72.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,938 INFO L158 Benchmark]: Boogie Preprocessor took 43.11ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,938 INFO L158 Benchmark]: RCFGBuilder took 695.12ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 73.4MB in the end (delta: -3.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,939 INFO L158 Benchmark]: TraceAbstraction took 87603.72ms. Allocated memory was 98.6MB in the beginning and 482.3MB in the end (delta: 383.8MB). Free memory was 72.5MB in the beginning and 233.7MB in the end (delta: -161.1MB). Peak memory consumption was 290.0MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,939 INFO L158 Benchmark]: Witness Printer took 100.96ms. Allocated memory is still 482.3MB. Free memory was 233.7MB in the beginning and 228.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:55:08,941 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 67.1MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.69ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 42.3MB in the beginning and 75.3MB in the end (delta: -33.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.12ms. Allocated memory is still 98.6MB. Free memory was 75.3MB in the beginning and 72.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.11ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.12ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 73.4MB in the end (delta: -3.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 87603.72ms. Allocated memory was 98.6MB in the beginning and 482.3MB in the end (delta: 383.8MB). Free memory was 72.5MB in the beginning and 233.7MB in the end (delta: -161.1MB). Peak memory consumption was 290.0MB. Max. memory is 16.1GB. * Witness Printer took 100.96ms. Allocated memory is still 482.3MB. Free memory was 233.7MB in the beginning and 228.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == ~input_7~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_25 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_25), 1bv32)[7:0] == ~input_8~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == ~input_7~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_25 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_25), 1bv32)[7:0] == ~input_8~0) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.5s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 14 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 25, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 555 HoareAnnotationTreeSize, 2 FomulaSimplifications, 2365 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 2 FomulaSimplificationsInter, 2264 FormulaSimplificationTreeSizeReductionInter, 21.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 52.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 64 ConstructedInterpolants, 32 QuantifiedInterpolants, 36150 SizeOfPredicates, 281 NumberOfNonLiveVariables, 1032 ConjunctsInSsa, 294 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1/48 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant [2023-11-06 21:55:08,967 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,971 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == ~input_7~0) could not be translated [2023-11-06 21:55:08,973 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated [2023-11-06 21:55:08,974 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,978 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_25 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_25), 1bv32)[7:0] == ~input_8~0) could not be translated [2023-11-06 21:55:08,979 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0] == ~state_41~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,980 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(1bv32, ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0])[7:0]))[7:0] == ~state_34~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,980 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: ((~state_41~0 == ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~bvneg~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)))[7:0])[7:0])[7:0])[7:0] && !(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8)) && ~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0] == ~state_36~0) && ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0] == ~state_32~0) could not be translated [2023-11-06 21:55:08,989 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == ~input_7~0) could not be translated [2023-11-06 21:55:08,990 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_43_arg_1~0#1 : bv8, ULTIMATE.start_main_~var_45_arg_0~0#1 : bv8 :: (!(~bvand~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]), 1bv32)[7:0] == 0bv8) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0])[7:0]), ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1)[7:0]), ~zero_extend~32~8(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1)[7:0]))[7:0])[7:0])[7:0]))[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_12~0) && ~bvand~32(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(~zero_extend~32~8(~bvadd~32(~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_0~0#1), ~zero_extend~32~8(ULTIMATE.start_main_~var_43_arg_1~0#1))[7:0])[7:0]), ~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_1~0#1))[7:0])[7:0])[7:0])[7:0])[7:0]), 255bv32)[7:0] == ~state_10~0) could not be translated [2023-11-06 21:55:08,992 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet19#1_23 : bv8 :: ~zero_extend~32~8(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0])[7:0] == ~state_30~0 && !(~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet19#1_23), 1bv32)[7:0] == 0bv8)) could not be translated [2023-11-06 21:55:08,992 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_#t~nondet20#1_25 : bv8 :: ~bvand~32(~zero_extend~32~8(v_ULTIMATE.start_main_#t~nondet20#1_25), 1bv32)[7:0] == ~input_8~0) could not be translated Derived loop invariant: (((((((((1 == var_17) && ((((((((((((state_25 & 127) + (((((state_23 + state_21) % 4294967296) & 127) & 127) & 127)) % 4294967296) & 127) & 127) & 127) & 255) & 127) == ((((state_39 & 127) & 127) & 255) & 127)) || ((((state_30 & 127) & 1) & 127) == 0)) && ((((((state_39 & 127) & 127) & 255) & 127) == ((255 & (((((-((state_25 & 127)) + (((((state_23 + state_21) % 4294967296) & 127) & 127) & 127)) % 4294967296) & 127) & 127) & 127)) & 127)) || !(((((state_30 & 127) & 1) & 127) == 0)))) || !((((((1 & state_21) & 127) & 255) & 127) == 1)))) && (1 == var_75)) && (1 == mask_SORT_5)) && (var_29 == 0)) && ((((((1 & state_21) & 127) & 255) & 127) == 1) || ((((((state_30 & 127) & 1) & 127) == 0) || (((((state_39 & 127) & 127) & 255) & 127) == ((255 & ((((((state_25 & 127) + (((((-(state_23) + state_21) % 4294967296) & 127) & 127) & 127)) % 4294967296) & 127) & 127) & 127)) & 127))) && (!(((((state_30 & 127) & 1) & 127) == 0)) || (((((state_39 & 127) & 127) & 255) & 127) == ((((((((((((-(state_23) + state_21) % 4294967296) & 127) & 127) & 127) + -((state_25 & 127))) % 4294967296) & 127) & 127) & 127) & 255) & 127)))))) && (var_9 == 0)) && (((1 + mask_SORT_1) % 256) == 0)) || (((((((((((((((((0 == state_21) && (0 == state_10)) && (1 == var_17)) && (1 == var_75)) && (1 == mask_SORT_5)) && (var_29 == 0)) && (0 == state_25)) && (0 == state_30)) && (0 == state_39)) && (0 == state_41)) && (0 == state_12)) && (var_9 == 0)) && (((1 + mask_SORT_1) % 256) == 0)) && (0 == state_34)) && (0 == state_32)) && (0 == state_36)) && (0 == state_23))) RESULT: Ultimate proved your program to be correct! [2023-11-06 21:55:09,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d096d0b8-9966-4f63-ab2a-56f557ab7021/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE