./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:18,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:18,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:35:18,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:18,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:18,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:18,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:18,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:18,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:18,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:18,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:18,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:18,835 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:18,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:18,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:18,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:18,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:18,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:18,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:18,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:18,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:18,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:18,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:18,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:18,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:18,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:18,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:18,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:18,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:18,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:18,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:18,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:18,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:18,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:18,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:18,867 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:18,867 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_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c [2023-11-19 07:35:19,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:19,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:19,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:19,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:19,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:19,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 07:35:22,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:22,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:22,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 07:35:22,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data/6e2279fa1/9c2e70d91825471c93d8f097bdc371a7/FLAG11678ac7c [2023-11-19 07:35:22,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data/6e2279fa1/9c2e70d91825471c93d8f097bdc371a7 [2023-11-19 07:35:22,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:22,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:22,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:22,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:22,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:22,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:22" (1/1) ... [2023-11-19 07:35:22,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3181c7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:22, skipping insertion in model container [2023-11-19 07:35:22,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:22" (1/1) ... [2023-11-19 07:35:22,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:23,179 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_ca007eaf-5d96-469c-b400-639b660b051d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 07:35:23,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:23,351 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:23,368 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_ca007eaf-5d96-469c-b400-639b660b051d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 07:35:23,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:23,488 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:23,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23 WrapperNode [2023-11-19 07:35:23,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:23,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:23,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:23,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:23,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,679 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 843 [2023-11-19 07:35:23,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:23,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:23,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:23,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:23,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:23,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:23,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:23,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:23,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:23,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:23,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:23,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:23,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:23,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:23,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:24,208 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:24,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:25,334 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:25,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:25,347 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:25,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:25 BoogieIcfgContainer [2023-11-19 07:35:25,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:25,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:25,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:25,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:25,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:22" (1/3) ... [2023-11-19 07:35:25,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508f90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:25, skipping insertion in model container [2023-11-19 07:35:25,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23" (2/3) ... [2023-11-19 07:35:25,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508f90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:25, skipping insertion in model container [2023-11-19 07:35:25,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:25" (3/3) ... [2023-11-19 07:35:25,371 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 07:35:25,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:25,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:25,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:25,470 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e0cc087, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:25,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 111 states have (on average 1.6486486486486487) internal successors, (183), 112 states have internal predecessors, (183), 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) [2023-11-19 07:35:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:35:25,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:25,492 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, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:25,493 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:25,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:25,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1430736320, now seen corresponding path program 1 times [2023-11-19 07:35:25,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:25,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809625526] [2023-11-19 07:35:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:26,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:26,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809625526] [2023-11-19 07:35:26,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809625526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:26,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:26,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61546480] [2023-11-19 07:35:26,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:26,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:26,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:26,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:26,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:26,691 INFO L87 Difference]: Start difference. First operand has 113 states, 111 states have (on average 1.6486486486486487) internal successors, (183), 112 states have internal predecessors, (183), 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 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-19 07:35:26,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:26,780 INFO L93 Difference]: Finished difference Result 180 states and 294 transitions. [2023-11-19 07:35:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:26,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 43 [2023-11-19 07:35:26,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:26,793 INFO L225 Difference]: With dead ends: 180 [2023-11-19 07:35:26,793 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 07:35:26,796 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 [2023-11-19 07:35:26,800 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 519 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 [2023-11-19 07:35:26,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 519 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 07:35:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-19 07:35:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.6272727272727272) internal successors, (179), 110 states have internal predecessors, (179), 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) [2023-11-19 07:35:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 179 transitions. [2023-11-19 07:35:26,845 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 179 transitions. Word has length 43 [2023-11-19 07:35:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:26,846 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 179 transitions. [2023-11-19 07:35:26,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-19 07:35:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 179 transitions. [2023-11-19 07:35:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 07:35:26,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:26,849 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:26,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:35:26,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:26,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1404878136, now seen corresponding path program 1 times [2023-11-19 07:35:26,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:26,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755245875] [2023-11-19 07:35:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:26,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:27,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:27,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755245875] [2023-11-19 07:35:27,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755245875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:27,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:27,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:27,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970117399] [2023-11-19 07:35:27,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:27,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:27,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:27,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:27,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:27,214 INFO L87 Difference]: Start difference. First operand 111 states and 179 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-19 07:35:27,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:27,290 INFO L93 Difference]: Finished difference Result 181 states and 290 transitions. [2023-11-19 07:35:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2023-11-19 07:35:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:27,300 INFO L225 Difference]: With dead ends: 181 [2023-11-19 07:35:27,300 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 07:35:27,301 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 [2023-11-19 07:35:27,303 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 516 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 [2023-11-19 07:35:27,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 516 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:27,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 07:35:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2023-11-19 07:35:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.6160714285714286) internal successors, (181), 112 states have internal predecessors, (181), 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) [2023-11-19 07:35:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 181 transitions. [2023-11-19 07:35:27,335 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 181 transitions. Word has length 44 [2023-11-19 07:35:27,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:27,336 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 181 transitions. [2023-11-19 07:35:27,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-19 07:35:27,336 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2023-11-19 07:35:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 07:35:27,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:27,338 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:27,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:35:27,339 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:27,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:27,339 INFO L85 PathProgramCache]: Analyzing trace with hash -2128842916, now seen corresponding path program 1 times [2023-11-19 07:35:27,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:27,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979890431] [2023-11-19 07:35:27,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:27,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:27,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:27,623 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:35:27,624 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:35:27,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:35:27,632 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:35:27,636 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:35:27,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:35:27,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 07:35:27,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 07:35:27,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 07:35:27,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 07:35:27,710 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:35:27,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 07:35:27,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 07:35:27,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-19 07:35:27,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 07:35:27,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 07:35:27,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 07:35:27,720 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 07:35:27,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 07:35:27,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 07:35:27,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 07:35:27,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 07:35:27,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 07:35:27,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 07:35:27,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 07:35:27,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 07:35:27,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 07:35:27,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 07:35:27,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-19 07:35:27,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-19 07:35:27,738 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-19 07:35:27,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-19 07:35:27,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-19 07:35:27,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated [2023-11-19 07:35:27,746 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet62 could not be translated [2023-11-19 07:35:27,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated [2023-11-19 07:35:27,751 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet64 could not be translated [2023-11-19 07:35:27,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-19 07:35:27,753 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 07:35:27,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:27 BoogieIcfgContainer [2023-11-19 07:35:27,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:35:27,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:27,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:27,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:27,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:25" (3/4) ... [2023-11-19 07:35:27,779 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:35:27,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:27,782 INFO L158 Benchmark]: Toolchain (without parser) took 4945.98ms. Allocated memory was 197.1MB in the beginning and 260.0MB in the end (delta: 62.9MB). Free memory was 164.5MB in the beginning and 197.4MB in the end (delta: -32.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-19 07:35:27,782 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:27,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.78ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 146.2MB in the end (delta: 18.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-19 07:35:27,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.86ms. Allocated memory is still 197.1MB. Free memory was 145.3MB in the beginning and 131.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:27,785 INFO L158 Benchmark]: Boogie Preprocessor took 152.78ms. Allocated memory is still 197.1MB. Free memory was 131.4MB in the beginning and 126.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:35:27,785 INFO L158 Benchmark]: RCFGBuilder took 1519.42ms. Allocated memory is still 197.1MB. Free memory was 125.2MB in the beginning and 96.7MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:35:27,786 INFO L158 Benchmark]: TraceAbstraction took 2416.24ms. Allocated memory was 197.1MB in the beginning and 260.0MB in the end (delta: 62.9MB). Free memory was 96.7MB in the beginning and 198.5MB in the end (delta: -101.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:27,787 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 260.0MB. Free memory was 198.5MB in the beginning and 197.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:27,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.78ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 146.2MB in the end (delta: 18.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.86ms. Allocated memory is still 197.1MB. Free memory was 145.3MB in the beginning and 131.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 152.78ms. Allocated memory is still 197.1MB. Free memory was 131.4MB in the beginning and 126.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1519.42ms. Allocated memory is still 197.1MB. Free memory was 125.2MB in the beginning and 96.7MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2416.24ms. Allocated memory was 197.1MB in the beginning and 260.0MB in the end (delta: 62.9MB). Free memory was 96.7MB in the beginning and 198.5MB in the end (delta: -101.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 260.0MB. Free memory was 198.5MB in the beginning and 197.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 173. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 4); [L36] const SORT_31 msb_SORT_31 = (SORT_31)1 << (4 - 1); [L38] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 10); [L39] const SORT_67 msb_SORT_67 = (SORT_67)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 0; [L43] const SORT_1 var_21 = 1; [L44] const SORT_67 var_68 = 0; [L45] const SORT_10 var_122 = 104; [L46] const SORT_10 var_145 = 1; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_29; [L53] SORT_31 input_32; [L54] SORT_31 input_34; [L55] SORT_1 input_36; [L56] SORT_1 input_42; [L57] SORT_1 input_44; [L58] SORT_1 input_46; [L59] SORT_3 input_50; [L60] SORT_1 input_53; [L61] SORT_1 input_63; [L62] SORT_1 input_73; [L63] SORT_1 input_79; [L64] SORT_1 input_80; [L65] SORT_1 input_91; [L66] SORT_1 input_98; [L67] SORT_1 input_104; [L68] SORT_1 input_110; [L69] SORT_1 input_116; [L70] SORT_1 input_117; [L71] SORT_1 input_118; [L72] SORT_1 input_135; [L73] SORT_67 input_143; [L74] SORT_1 input_152; [L75] SORT_1 input_153; [L76] SORT_1 input_154; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L78] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L79] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L80] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L81] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L82] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L83] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L84] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L85] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_55=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L86] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_55=0, state_57=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L87] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_55=0, state_57=0, state_59=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L88] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_55=0, state_57=0, state_59=0, state_61=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L89] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_ushort() & mask_SORT_67 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L90] SORT_67 state_69 = __VERIFIER_nondet_ushort() & mask_SORT_67; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=0, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L91] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 init_9_arg_1 = var_7; [L94] state_8 = init_9_arg_1 [L95] SORT_1 init_15_arg_1 = var_7; [L96] state_14 = init_15_arg_1 [L97] SORT_1 init_26_arg_1 = var_7; [L98] state_25 = init_26_arg_1 [L99] SORT_1 init_28_arg_1 = var_7; [L100] state_27 = init_28_arg_1 [L101] SORT_1 init_39_arg_1 = var_7; [L102] state_38 = init_39_arg_1 [L103] SORT_1 init_41_arg_1 = var_7; [L104] state_40 = init_41_arg_1 [L105] SORT_1 init_49_arg_1 = var_21; [L106] state_48 = init_49_arg_1 [L107] SORT_1 init_56_arg_1 = var_7; [L108] state_55 = init_56_arg_1 [L109] SORT_1 init_58_arg_1 = var_7; [L110] state_57 = init_58_arg_1 [L111] SORT_1 init_60_arg_1 = var_7; [L112] state_59 = init_60_arg_1 [L113] SORT_1 init_62_arg_1 = var_7; [L114] state_61 = init_62_arg_1 [L115] SORT_1 init_66_arg_1 = var_7; [L116] state_65 = init_66_arg_1 [L117] SORT_67 init_70_arg_1 = var_68; [L118] state_69 = init_70_arg_1 [L119] SORT_1 init_72_arg_1 = var_7; [L120] state_71 = init_72_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L123] input_2 = __VERIFIER_nondet_uchar() [L124] input_4 = __VERIFIER_nondet_uchar() [L125] input_5 = __VERIFIER_nondet_uchar() [L126] input_6 = __VERIFIER_nondet_uchar() [L127] input_29 = __VERIFIER_nondet_uchar() [L128] input_32 = __VERIFIER_nondet_uchar() [L129] input_34 = __VERIFIER_nondet_uchar() [L130] input_36 = __VERIFIER_nondet_uchar() [L131] input_42 = __VERIFIER_nondet_uchar() [L132] input_44 = __VERIFIER_nondet_uchar() [L133] input_46 = __VERIFIER_nondet_uchar() [L134] input_50 = __VERIFIER_nondet_uchar() [L135] input_53 = __VERIFIER_nondet_uchar() [L136] input_63 = __VERIFIER_nondet_uchar() [L137] input_73 = __VERIFIER_nondet_uchar() [L138] input_79 = __VERIFIER_nondet_uchar() [L139] input_80 = __VERIFIER_nondet_uchar() [L140] input_91 = __VERIFIER_nondet_uchar() [L141] input_98 = __VERIFIER_nondet_uchar() [L142] input_104 = __VERIFIER_nondet_uchar() [L143] input_110 = __VERIFIER_nondet_uchar() [L144] input_116 = __VERIFIER_nondet_uchar() [L145] input_117 = __VERIFIER_nondet_uchar() [L146] input_118 = __VERIFIER_nondet_uchar() [L147] input_135 = __VERIFIER_nondet_uchar() [L148] input_143 = __VERIFIER_nondet_ushort() [L149] input_152 = __VERIFIER_nondet_uchar() [L150] input_153 = __VERIFIER_nondet_uchar() [L151] input_154 = __VERIFIER_nondet_uchar() [L154] SORT_1 var_11_arg_0 = state_8; VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11_arg_0=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L155] EXPR var_11_arg_0 & mask_SORT_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11_arg_0=0, var_122=104, var_12=0, var_145=1, var_21=1, var_68=0, var_7=0] [L155] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L156] SORT_10 var_11 = var_11_arg_0; [L157] SORT_10 var_13_arg_0 = var_11; [L158] SORT_10 var_13_arg_1 = var_12; [L159] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L160] SORT_1 var_16_arg_0 = state_14; VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16_arg_0=0, var_21=1, var_68=0, var_7=0] [L161] EXPR var_16_arg_0 & mask_SORT_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16_arg_0=0, var_21=1, var_68=0, var_7=0] [L161] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L162] SORT_10 var_16 = var_16_arg_0; [L163] SORT_10 var_17_arg_0 = var_16; [L164] SORT_10 var_17_arg_1 = var_12; [L165] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L166] SORT_1 var_18_arg_0 = var_13; [L167] SORT_1 var_18_arg_1 = var_17; VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_68=0, var_7=0] [L168] EXPR var_18_arg_0 | var_18_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_68=0, var_7=0] [L168] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L169] SORT_1 var_22_arg_0 = var_18; [L170] SORT_1 var_22 = ~var_22_arg_0; [L171] SORT_1 var_23_arg_0 = var_21; [L172] SORT_1 var_23_arg_1 = var_22; VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23_arg_0=1, var_23_arg_1=254, var_68=0, var_7=0] [L173] EXPR var_23_arg_0 & var_23_arg_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23_arg_0=1, var_23_arg_1=254, var_68=0, var_7=0] [L173] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L174] EXPR var_23 & mask_SORT_1 VAL [init_15_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_49_arg_1=1, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_1=1, mask_SORT_31=15, mask_SORT_3=255, mask_SORT_67=1023, msb_SORT_10=2147483648, msb_SORT_1=1, msb_SORT_31=8, msb_SORT_3=128, msb_SORT_67=512, state_14=0, state_25=0, state_27=0, state_38=0, state_40=0, state_48=1, state_55=0, state_57=0, state_59=0, state_61=0, state_65=0, state_69=0, state_71=0, state_8=0, var_11=0, var_11_arg_0=0, var_122=104, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_145=1, var_16=0, var_16_arg_0=0, var_17=1, var_17_arg_0=0, var_17_arg_1=0, var_18=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_22=254, var_22_arg_0=1, var_23=1, var_23_arg_0=1, var_23_arg_1=254, var_68=0, var_7=0] [L174] var_23 = var_23 & mask_SORT_1 [L175] SORT_1 bad_24_arg_0 = var_23; [L176] CALL __VERIFIER_assert(!(bad_24_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, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 1035 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 685 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 350 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=113occurred 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 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 [2023-11-19 07:35:27,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:30,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:31,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 07:35:31,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:31,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:31,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:31,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:31,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:31,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:31,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:31,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:31,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:31,143 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:31,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:31,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:31,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:31,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:31,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:31,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:31,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:35:31,150 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:35:31,151 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:35:31,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:31,152 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:31,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:31,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:31,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:31,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:31,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:31,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:31,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:31,157 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:35:31,157 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:35:31,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:31,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:31,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:31,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:31,159 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:35:31,159 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:31,160 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_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be98390aa39eb4015bb82c52f3543b0d6ba9e6d709277c1c8e88d4773e2b528c [2023-11-19 07:35:31,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:31,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:31,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:31,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:31,748 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:31,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 07:35:34,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:35,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:35,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 07:35:35,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data/613f60606/826e89c2f7354538853894dee8e19df8/FLAG1fa29e70b [2023-11-19 07:35:35,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/data/613f60606/826e89c2f7354538853894dee8e19df8 [2023-11-19 07:35:35,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:35,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:35,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:35,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:35,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:35,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:35,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f69440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35, skipping insertion in model container [2023-11-19 07:35:35,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:35,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:35,530 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_ca007eaf-5d96-469c-b400-639b660b051d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 07:35:35,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:35,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:35,698 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_ca007eaf-5d96-469c-b400-639b660b051d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c[1266,1279] [2023-11-19 07:35:35,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:35,877 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:35,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35 WrapperNode [2023-11-19 07:35:35,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:35,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:35,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:35,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:35,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:35,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:35,987 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 503 [2023-11-19 07:35:35,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:35,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:35,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:35,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:36,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:36,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:36,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:36,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:36,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (1/1) ... [2023-11-19 07:35:36,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:36,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:36,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:36,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:35:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:36,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:36,444 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:36,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:37,130 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:37,139 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:37,143 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:37,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:37 BoogieIcfgContainer [2023-11-19 07:35:37,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:37,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:37,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:37,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:37,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:35" (1/3) ... [2023-11-19 07:35:37,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bada1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:37, skipping insertion in model container [2023-11-19 07:35:37,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:35" (2/3) ... [2023-11-19 07:35:37,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bada1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:37, skipping insertion in model container [2023-11-19 07:35:37,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:37" (3/3) ... [2023-11-19 07:35:37,165 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p11.c [2023-11-19 07:35:37,193 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:37,194 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:37,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:37,279 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@701ad867, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:37,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:37,286 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) [2023-11-19 07:35:37,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:35:37,296 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:37,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:37,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:37,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:37,314 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 07:35:37,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:37,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027564516] [2023-11-19 07:35:37,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:37,337 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 [2023-11-19 07:35:37,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:37,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:35:37,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:37,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 07:35:37,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:38,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:38,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:38,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027564516] [2023-11-19 07:35:38,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027564516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:38,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:38,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:38,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041783914] [2023-11-19 07:35:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:38,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:38,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:38,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:38,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:38,116 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) [2023-11-19 07:35:38,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:38,241 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 07:35:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:38,245 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 [2023-11-19 07:35:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:38,255 INFO L225 Difference]: With dead ends: 19 [2023-11-19 07:35:38,256 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 07:35:38,259 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 [2023-11-19 07:35:38,266 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:38,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:35:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 07:35:38,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 07:35:38,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 07:35:38,311 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 07:35:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:38,319 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 07:35:38,320 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) [2023-11-19 07:35:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 07:35:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 07:35:38,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:38,321 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:38,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:38,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:38,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:38,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:38,525 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 07:35:38,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:38,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941426308] [2023-11-19 07:35:38,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:38,528 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 [2023-11-19 07:35:38,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:38,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:35:38,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:39,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 07:35:39,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:39,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:40,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:40,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941426308] [2023-11-19 07:35:40,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941426308] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:40,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:35:40,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 07:35:40,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259538892] [2023-11-19 07:35:40,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:40,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:35:40,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:40,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:35:40,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:35:40,862 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:41,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:41,079 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 07:35:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:35:41,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 07:35:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:41,081 INFO L225 Difference]: With dead ends: 15 [2023-11-19 07:35:41,081 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 07:35:41,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:35:41,084 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:41,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:35:41,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 07:35:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-19 07:35:41,093 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) [2023-11-19 07:35:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 07:35:41,094 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-19 07:35:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:41,096 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-19 07:35:41,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:41,097 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 07:35:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:35:41,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:41,099 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 07:35:41,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:41,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:41,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:41,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:41,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-19 07:35:41,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:41,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634273706] [2023-11-19 07:35:41,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:35:41,307 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 [2023-11-19 07:35:41,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:41,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:35:41,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:41,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:35:41,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:41,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 07:35:41,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:42,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:46,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:46,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634273706] [2023-11-19 07:35:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634273706] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:46,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:35:46,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 07:35:46,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177844822] [2023-11-19 07:35:46,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:46,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:35:46,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:46,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:35:46,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:35:46,977 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) [2023-11-19 07:35:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:47,262 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-19 07:35:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:35:47,267 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 [2023-11-19 07:35:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:47,267 INFO L225 Difference]: With dead ends: 18 [2023-11-19 07:35:47,267 INFO L226 Difference]: Without dead ends: 16 [2023-11-19 07:35:47,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:35:47,269 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:47,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 27 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:35:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-19 07:35:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-19 07:35:47,274 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) [2023-11-19 07:35:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-19 07:35:47,274 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-19 07:35:47,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:47,275 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-19 07:35:47,275 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) [2023-11-19 07:35:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-19 07:35:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 07:35:47,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:47,280 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-19 07:35:47,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:47,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:47,486 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:47,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:47,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-19 07:35:47,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:47,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666136499] [2023-11-19 07:35:47,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:35:47,489 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 [2023-11-19 07:35:47,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:47,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:35:47,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:48,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 07:35:48,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:48,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 07:35:48,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:35:48,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:35:53,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:53,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666136499] [2023-11-19 07:35:53,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666136499] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:53,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:35:53,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 07:35:53,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922938789] [2023-11-19 07:35:53,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:53,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:35:53,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:53,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:35:53,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:35:53,330 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2023-11-19 07:35:53,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:53,428 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 07:35:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 [2023-11-19 07:35:53,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:53,430 INFO L225 Difference]: With dead ends: 15 [2023-11-19 07:35:53,431 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:35:53,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:35:53,432 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:53,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:35:53,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:35:53,434 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) [2023-11-19 07:35:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:35:53,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-19 07:35:53,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:53,435 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:35:53,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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) [2023-11-19 07:35:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:35:53,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:35:53,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:35:53,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:53,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:53,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 23 438) no Hoare annotation was computed. [2023-11-19 07:35:53,715 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:35:53,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:35:53,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-19 07:35:53,716 INFO L895 garLoopResultBuilder]: At program point L121-2(lines 121 436) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_7~0#1| (_ bv0 8)) (exists ((|ULTIMATE.start_main_~var_108_arg_2~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_108_arg_2~0#1|))) (_ bv1 32))) |ULTIMATE.start_main_~state_38~0#1|)) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv0 32)) (= (_ bv0 8) |ULTIMATE.start_main_~state_14~0#1|)) [2023-11-19 07:35:53,716 INFO L899 garLoopResultBuilder]: For program point L121-3(lines 121 436) no Hoare annotation was computed. [2023-11-19 07:35:53,720 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-19 07:35:53,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:35:53,745 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_108_arg_2~0#1 : bv8 :: ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_108_arg_2~0#1)[7:0]), 1bv32)[7:0] == ~state_38~0) could not be translated [2023-11-19 07:35:53,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:53 BoogieIcfgContainer [2023-11-19 07:35:53,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:35:53,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:53,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:53,748 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:53,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:37" (3/4) ... [2023-11-19 07:35:53,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:35:53,767 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 07:35:53,769 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:35:53,770 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:35:53,771 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:35:53,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:35:53,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:35:53,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:53,964 INFO L158 Benchmark]: Toolchain (without parser) took 18653.52ms. Allocated memory was 77.6MB in the beginning and 333.4MB in the end (delta: 255.9MB). Free memory was 53.3MB in the beginning and 220.0MB in the end (delta: -166.6MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,965 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:53,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.62ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 51.1MB in the end (delta: 2.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.68ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 46.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,967 INFO L158 Benchmark]: Boogie Preprocessor took 98.17ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 44.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,967 INFO L158 Benchmark]: RCFGBuilder took 1060.47ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 44.2MB in the beginning and 74.6MB in the end (delta: -30.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,968 INFO L158 Benchmark]: TraceAbstraction took 16596.55ms. Allocated memory was 102.8MB in the beginning and 333.4MB in the end (delta: 230.7MB). Free memory was 73.7MB in the beginning and 229.4MB in the end (delta: -155.7MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,969 INFO L158 Benchmark]: Witness Printer took 215.24ms. Allocated memory is still 333.4MB. Free memory was 229.4MB in the beginning and 220.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:35:53,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.62ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 51.1MB in the end (delta: 2.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.68ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 46.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.17ms. Allocated memory is still 77.6MB. Free memory was 46.9MB in the beginning and 44.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1060.47ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 44.2MB in the beginning and 74.6MB in the end (delta: -30.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 16596.55ms. Allocated memory was 102.8MB in the beginning and 333.4MB in the end (delta: 230.7MB). Free memory was 73.7MB in the beginning and 229.4MB in the end (delta: -155.7MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Witness Printer took 215.24ms. Allocated memory is still 333.4MB. Free memory was 229.4MB in the beginning and 220.0MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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_108_arg_2~0#1 : bv8 :: ~bvand~32(~zero_extend~32~16(~zero_extend~32~16(ULTIMATE.start_main_~var_108_arg_2~0#1)[7:0]), 1bv32)[7:0] == ~state_38~0) 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: 16.5s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 14 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 24, 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 4 NumberOfFragments, 23 HoareAnnotationTreeSize, 1 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 81 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 24 QuantifiedInterpolants, 12867 SizeOfPredicates, 143 NumberOfNonLiveVariables, 1641 ConjunctsInSsa, 144 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/48 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: 121]: Loop Invariant Derived loop invariant: ((((1 == mask_SORT_1) && (var_7 == 0)) && (var_12 == 0)) && (0 == state_14)) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:35:54,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca007eaf-5d96-469c-b400-639b660b051d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE