./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d50c948a7f8cb67c0630b0692aab91cd34eb0ab695c9882cf8d6a998a9063720 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:36:06,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:36:06,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:36:06,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:36:06,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:36:06,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:36:06,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:36:06,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:36:06,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:36:06,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:36:06,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:36:06,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:36:06,410 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:36:06,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:36:06,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:36:06,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:36:06,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:36:06,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:36:06,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:36:06,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:36:06,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:36:06,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:36:06,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:36:06,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:36:06,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:36:06,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:06,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:36:06,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:36:06,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:36:06,421 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:36:06,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:36:06,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:36:06,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:36:06,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:36:06,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:36:06,424 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:36:06,424 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_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d50c948a7f8cb67c0630b0692aab91cd34eb0ab695c9882cf8d6a998a9063720 [2023-11-06 22:36:06,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:36:06,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:36:06,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:36:06,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:36:06,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:36:06,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c [2023-11-06 22:36:09,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:36:10,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:36:10,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c [2023-11-06 22:36:10,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data/27fb9bf4f/db3497c5d3f844809a6e520c236d0c7e/FLAG1f3c73a9f [2023-11-06 22:36:10,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data/27fb9bf4f/db3497c5d3f844809a6e520c236d0c7e [2023-11-06 22:36:10,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:36:10,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:36:10,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:10,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:36:10,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:36:10,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16aa3688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10, skipping insertion in model container [2023-11-06 22:36:10,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:36:10,472 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_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c[1266,1279] [2023-11-06 22:36:10,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:10,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:36:10,586 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_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c[1266,1279] [2023-11-06 22:36:10,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:10,667 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:36:10,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10 WrapperNode [2023-11-06 22:36:10,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:10,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:10,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:36:10,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:36:10,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,748 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 281 [2023-11-06 22:36:10,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:10,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:36:10,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:36:10,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:36:10,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:36:10,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:36:10,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:36:10,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:36:10,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (1/1) ... [2023-11-06 22:36:10,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:10,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:36:10,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:36:10,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:36:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:36:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:36:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:36:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:36:11,019 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:36:11,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:36:11,552 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:11,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:11,561 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:36:11,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:11 BoogieIcfgContainer [2023-11-06 22:36:11,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:11,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:11,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:11,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:11,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:10" (1/3) ... [2023-11-06 22:36:11,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61121f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:11, skipping insertion in model container [2023-11-06 22:36:11,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:10" (2/3) ... [2023-11-06 22:36:11,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61121f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:11, skipping insertion in model container [2023-11-06 22:36:11,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:11" (3/3) ... [2023-11-06 22:36:11,582 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c [2023-11-06 22:36:11,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:11,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:11,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:11,664 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e54a037, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:11,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 37 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:36:11,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:11,678 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] [2023-11-06 22:36:11,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:11,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:11,685 INFO L85 PathProgramCache]: Analyzing trace with hash 182752351, now seen corresponding path program 1 times [2023-11-06 22:36:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:11,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702771771] [2023-11-06 22:36:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:36:12,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:12,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702771771] [2023-11-06 22:36:12,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702771771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:12,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:12,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:36:12,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457503134] [2023-11-06 22:36:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:12,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:36:12,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:12,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:36:12,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:36:12,693 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 37 states have internal predecessors, (58), 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 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:12,877 INFO L93 Difference]: Finished difference Result 93 states and 149 transitions. [2023-11-06 22:36:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:36:12,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2023-11-06 22:36:12,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:12,889 INFO L225 Difference]: With dead ends: 93 [2023-11-06 22:36:12,889 INFO L226 Difference]: Without dead ends: 66 [2023-11-06 22:36:12,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:36:12,897 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 109 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:12,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 187 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:36:12,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-06 22:36:12,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 37. [2023-11-06 22:36:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 55 transitions. [2023-11-06 22:36:12,936 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 55 transitions. Word has length 21 [2023-11-06 22:36:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:12,937 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 55 transitions. [2023-11-06 22:36:12,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-11-06 22:36:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 22:36:12,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:12,938 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] [2023-11-06 22:36:12,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:36:12,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:12,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1209904167, now seen corresponding path program 1 times [2023-11-06 22:36:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:12,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496785588] [2023-11-06 22:36:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:36:13,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:13,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496785588] [2023-11-06 22:36:13,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496785588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:13,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:13,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:36:13,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756732268] [2023-11-06 22:36:13,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:13,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:36:13,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:13,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:36:13,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:36:13,109 INFO L87 Difference]: Start difference. First operand 37 states and 55 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2023-11-06 22:36:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:13,130 INFO L93 Difference]: Finished difference Result 41 states and 59 transitions. [2023-11-06 22:36:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:36:13,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 22 [2023-11-06 22:36:13,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:13,133 INFO L225 Difference]: With dead ends: 41 [2023-11-06 22:36:13,133 INFO L226 Difference]: Without dead ends: 39 [2023-11-06 22:36:13,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:36:13,136 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:13,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:36:13,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-06 22:36:13,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-06 22:36:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.5) internal successors, (57), 38 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-11-06 22:36:13,144 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 22 [2023-11-06 22:36:13,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:13,144 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-11-06 22:36:13,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2023-11-06 22:36:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-06 22:36:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:36:13,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:13,146 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] [2023-11-06 22:36:13,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:36:13,146 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:13,147 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:13,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1149401531, now seen corresponding path program 1 times [2023-11-06 22:36:13,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:13,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520819981] [2023-11-06 22:36:13,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:36:13,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:36:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:36:13,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:36:13,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:36:13,276 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:36:13,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:36:13,282 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:36:13,285 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:36:13,349 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:36:13,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:13 BoogieIcfgContainer [2023-11-06 22:36:13,369 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:36:13,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:36:13,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:36:13,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:36:13,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:11" (3/4) ... [2023-11-06 22:36:13,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:36:13,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:36:13,378 INFO L158 Benchmark]: Toolchain (without parser) took 3163.09ms. Allocated memory is still 188.7MB. Free memory was 142.0MB in the beginning and 91.8MB in the end (delta: 50.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,378 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 130.0MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:36:13,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.98ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 128.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.39ms. Allocated memory is still 188.7MB. Free memory was 128.6MB in the beginning and 124.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,390 INFO L158 Benchmark]: Boogie Preprocessor took 96.97ms. Allocated memory is still 188.7MB. Free memory was 124.1MB in the beginning and 121.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,390 INFO L158 Benchmark]: RCFGBuilder took 723.48ms. Allocated memory is still 188.7MB. Free memory was 121.7MB in the beginning and 152.6MB in the end (delta: -30.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,391 INFO L158 Benchmark]: TraceAbstraction took 1796.44ms. Allocated memory is still 188.7MB. Free memory was 151.8MB in the beginning and 92.9MB in the end (delta: 58.9MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,391 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 188.7MB. Free memory was 92.8MB in the beginning and 91.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:13,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 130.0MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.98ms. Allocated memory is still 188.7MB. Free memory was 141.7MB in the beginning and 128.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.39ms. Allocated memory is still 188.7MB. Free memory was 128.6MB in the beginning and 124.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.97ms. Allocated memory is still 188.7MB. Free memory was 124.1MB in the beginning and 121.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.48ms. Allocated memory is still 188.7MB. Free memory was 121.7MB in the beginning and 152.6MB in the end (delta: -30.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1796.44ms. Allocated memory is still 188.7MB. Free memory was 151.8MB in the beginning and 92.9MB in the end (delta: 58.9MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 188.7MB. Free memory was 92.8MB in the beginning and 91.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 129. 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; [L45] SORT_1 input_2; [L46] SORT_3 input_4; [L47] SORT_1 input_5; [L48] SORT_1 input_6; [L49] SORT_1 input_27; [L50] SORT_1 input_29; [L51] SORT_31 input_32; [L52] SORT_1 input_34; [L53] SORT_31 input_36; [L54] SORT_1 input_38; [L55] SORT_1 input_40; [L56] SORT_1 input_42; [L57] SORT_1 input_44; [L58] SORT_1 input_46; [L59] SORT_1 input_48; [L60] SORT_3 input_50; [L61] SORT_1 input_53; [L62] SORT_1 input_55; [L63] SORT_1 input_57; [L64] SORT_1 input_59; [L65] SORT_1 input_61; [L66] SORT_1 input_63; [L67] SORT_1 input_65; [L68] SORT_67 input_68; [L69] SORT_1 input_70; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=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, var_12=0, var_21=1, var_7=0] [L71] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=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_8=0, var_12=0, var_21=1, var_7=0] [L72] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=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_8=0, var_12=0, var_21=1, var_7=0] [L73] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 init_9_arg_1 = var_7; [L76] state_8 = init_9_arg_1 [L77] SORT_1 init_15_arg_1 = var_7; [L78] state_14 = init_15_arg_1 [L79] SORT_1 init_26_arg_1 = var_7; [L80] state_25 = init_26_arg_1 VAL [init_15_arg_1=0, init_26_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_8=0, var_12=0, var_21=1, var_7=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_4 = __VERIFIER_nondet_uchar() [L85] input_5 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_27 = __VERIFIER_nondet_uchar() [L88] input_29 = __VERIFIER_nondet_uchar() [L89] input_32 = __VERIFIER_nondet_uchar() [L90] input_34 = __VERIFIER_nondet_uchar() [L91] input_36 = __VERIFIER_nondet_uchar() [L92] input_38 = __VERIFIER_nondet_uchar() [L93] input_40 = __VERIFIER_nondet_uchar() [L94] input_42 = __VERIFIER_nondet_uchar() [L95] input_44 = __VERIFIER_nondet_uchar() [L96] input_46 = __VERIFIER_nondet_uchar() [L97] input_48 = __VERIFIER_nondet_uchar() [L98] input_50 = __VERIFIER_nondet_uchar() [L99] input_53 = __VERIFIER_nondet_uchar() [L100] input_55 = __VERIFIER_nondet_uchar() [L101] input_57 = __VERIFIER_nondet_uchar() [L102] input_59 = __VERIFIER_nondet_uchar() [L103] input_61 = __VERIFIER_nondet_uchar() [L104] input_63 = __VERIFIER_nondet_uchar() [L105] input_65 = __VERIFIER_nondet_uchar() [L106] input_68 = __VERIFIER_nondet_ushort() [L107] input_70 = __VERIFIER_nondet_uchar() [L110] SORT_1 var_11_arg_0 = state_8; VAL [init_15_arg_1=0, init_26_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_8=0, var_11_arg_0=0, var_12=0, var_21=1, var_7=0] [L111] EXPR var_11_arg_0 & mask_SORT_1 VAL [init_15_arg_1=0, init_26_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_8=0, var_11_arg_0 & mask_SORT_1=0, var_11_arg_0=0, var_12=0, var_21=1, var_7=0] [L111] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L112] SORT_10 var_11 = var_11_arg_0; [L113] SORT_10 var_13_arg_0 = var_11; [L114] SORT_10 var_13_arg_1 = var_12; [L115] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L116] SORT_1 var_16_arg_0 = state_14; VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_16_arg_0=0, var_21=1, var_7=0] [L117] EXPR var_16_arg_0 & mask_SORT_1 VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, var_16_arg_0 & mask_SORT_1=0, var_16_arg_0=0, var_21=1, var_7=0] [L117] var_16_arg_0 = var_16_arg_0 & mask_SORT_1 [L118] SORT_10 var_16 = var_16_arg_0; [L119] SORT_10 var_17_arg_0 = var_16; [L120] SORT_10 var_17_arg_1 = var_12; [L121] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L122] SORT_1 var_18_arg_0 = var_13; [L123] SORT_1 var_18_arg_1 = var_17; VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, 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_7=0] [L124] EXPR var_18_arg_0 | var_18_arg_1 VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, 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 | var_18_arg_1=1, var_18_arg_0=1, var_18_arg_1=1, var_21=1, var_7=0] [L124] SORT_1 var_18 = var_18_arg_0 | var_18_arg_1; [L125] SORT_1 var_22_arg_0 = var_18; [L126] SORT_1 var_22 = ~var_22_arg_0; [L127] SORT_1 var_23_arg_0 = var_21; [L128] SORT_1 var_23_arg_1 = var_22; VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, 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_7=0] [L129] EXPR var_23_arg_0 & var_23_arg_1 VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, 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 & var_23_arg_1=1, var_23_arg_0=1, var_23_arg_1=254, var_7=0] [L129] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L130] EXPR var_23 & mask_SORT_1 VAL [init_15_arg_1=0, init_26_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_8=0, var_11=0, var_11_arg_0=0, var_12=0, var_13=1, var_13_arg_0=0, var_13_arg_1=0, 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 & mask_SORT_1=1, var_23=1, var_23_arg_0=1, var_23_arg_1=254, var_7=0] [L130] var_23 = var_23 & mask_SORT_1 [L131] SORT_1 bad_24_arg_0 = var_23; [L132] 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 226 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 105 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 29 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:36:13,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d50c948a7f8cb67c0630b0692aab91cd34eb0ab695c9882cf8d6a998a9063720 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:36:16,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:36:16,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:36:16,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:36:16,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:36:16,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:36:16,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:36:16,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:36:16,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:36:16,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:36:16,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:36:16,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:36:16,279 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:36:16,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:36:16,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:36:16,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:36:16,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:36:16,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:36:16,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:36:16,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:36:16,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:36:16,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:36:16,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:36:16,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:36:16,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:36:16,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:36:16,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:36:16,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:16,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:36:16,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:36:16,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:36:16,292 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:36:16,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:36:16,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:36:16,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:36:16,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:36:16,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:36:16,293 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:36:16,294 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:36:16,295 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_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d50c948a7f8cb67c0630b0692aab91cd34eb0ab695c9882cf8d6a998a9063720 [2023-11-06 22:36:16,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:36:16,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:36:16,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:36:16,781 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:36:16,781 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:36:16,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c [2023-11-06 22:36:20,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:36:20,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:36:20,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c [2023-11-06 22:36:20,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data/5085182d8/f2a4406430d34439bf2e0861a26cd8c7/FLAG5c193a398 [2023-11-06 22:36:20,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/data/5085182d8/f2a4406430d34439bf2e0861a26cd8c7 [2023-11-06 22:36:20,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:36:20,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:36:20,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:20,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:36:20,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:36:20,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:20,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e047e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20, skipping insertion in model container [2023-11-06 22:36:20,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:20,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:36:20,709 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_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c[1266,1279] [2023-11-06 22:36:20,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:20,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:36:20,851 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_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c[1266,1279] [2023-11-06 22:36:20,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:20,927 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:36:20,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20 WrapperNode [2023-11-06 22:36:20,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:20,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:20,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:36:20,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:36:20,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:20,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:20,996 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 191 [2023-11-06 22:36:20,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:20,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:36:20,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:36:20,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:36:21,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:36:21,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:36:21,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:36:21,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:36:21,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (1/1) ... [2023-11-06 22:36:21,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:36:21,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:36:21,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:36:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:36:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:36:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:36:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:36:21,326 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:36:21,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:36:21,639 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:21,645 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:21,645 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:36:21,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:21 BoogieIcfgContainer [2023-11-06 22:36:21,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:21,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:21,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:21,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:21,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:20" (1/3) ... [2023-11-06 22:36:21,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64dfc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:21, skipping insertion in model container [2023-11-06 22:36:21,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:20" (2/3) ... [2023-11-06 22:36:21,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64dfc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:21, skipping insertion in model container [2023-11-06 22:36:21,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:21" (3/3) ... [2023-11-06 22:36:21,658 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p21.c [2023-11-06 22:36:21,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:21,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:21,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:21,737 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38488137, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:21,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:36:21,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:21,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:36:21,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:21,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:21,756 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:36:21,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:36:21,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954497844] [2023-11-06 22:36:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:21,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:36:21,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:36:21,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:36:21,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:36:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:21,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:36:21,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:36:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:36:22,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:36:22,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:36:22,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954497844] [2023-11-06 22:36:22,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954497844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:22,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:22,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:36:22,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530146925] [2023-11-06 22:36:22,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:22,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:36:22,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:36:22,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:36:22,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:36:22,388 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:22,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:22,441 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:36:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:36:22,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-06 22:36:22,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:22,451 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:36:22,452 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:36:22,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:36:22,458 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:22,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:36:22,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:36:22,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:36:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:36:22,492 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:36:22,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:22,493 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:36:22,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:36:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:36:22,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:22,495 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:22,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:36:22,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:36:22,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:22,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:36:22,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:36:22,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641671838] [2023-11-06 22:36:22,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:22,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:36:22,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:36:22,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:36:22,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:36:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:22,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-06 22:36:22,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:36:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:36:23,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:36:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:36:23,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:36:23,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641671838] [2023-11-06 22:36:23,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641671838] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:36:23,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:36:23,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:36:23,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654743908] [2023-11-06 22:36:23,790 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:36:23,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:36:23,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:36:23,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:36:23,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:36:23,794 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) [2023-11-06 22:36:23,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:23,855 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2023-11-06 22:36:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:36:23,856 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 [2023-11-06 22:36:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:23,857 INFO L225 Difference]: With dead ends: 10 [2023-11-06 22:36:23,857 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:36:23,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:36:23,859 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:23,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:36:23,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:36:23,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:36:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:36:23,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:36:23,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2023-11-06 22:36:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:23,862 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:36:23,863 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) [2023-11-06 22:36:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:36:23,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:36:23,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:36:23,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:36:24,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:36:24,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:36:24,115 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:36:24,116 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-06 22:36:24,116 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-06 22:36:24,116 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-06 22:36:24,118 INFO L895 garLoopResultBuilder]: At program point L81-2(lines 81 154) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8)) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv0 32))) [2023-11-06 22:36:24,119 INFO L899 garLoopResultBuilder]: For program point L81-3(lines 81 154) no Hoare annotation was computed. [2023-11-06 22:36:24,119 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:36:24,119 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 156) the Hoare annotation is: false [2023-11-06 22:36:24,121 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:36:24,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:36:24,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-06 22:36:24,125 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:36:24,131 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:36:24,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:24 BoogieIcfgContainer [2023-11-06 22:36:24,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:36:24,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:36:24,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:36:24,149 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:36:24,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:21" (3/4) ... [2023-11-06 22:36:24,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:36:24,168 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:36:24,171 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:36:24,172 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:36:24,173 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:36:24,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:36:24,276 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:36:24,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:36:24,279 INFO L158 Benchmark]: Toolchain (without parser) took 3842.38ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 79.1MB in the beginning and 82.4MB in the end (delta: -3.3MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,279 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:36:24,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.08ms. Allocated memory is still 102.8MB. Free memory was 78.8MB in the beginning and 65.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.53ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 63.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,286 INFO L158 Benchmark]: Boogie Preprocessor took 72.44ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 61.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,286 INFO L158 Benchmark]: RCFGBuilder took 577.13ms. Allocated memory is still 102.8MB. Free memory was 61.8MB in the beginning and 75.4MB in the end (delta: -13.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,287 INFO L158 Benchmark]: TraceAbstraction took 2497.92ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.1MB in the beginning and 87.6MB in the end (delta: -12.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,287 INFO L158 Benchmark]: Witness Printer took 129.36ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 82.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:36:24,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.08ms. Allocated memory is still 102.8MB. Free memory was 78.8MB in the beginning and 65.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.53ms. Allocated memory is still 102.8MB. Free memory was 65.7MB in the beginning and 63.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.44ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 61.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.13ms. Allocated memory is still 102.8MB. Free memory was 61.8MB in the beginning and 75.4MB in the end (delta: -13.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2497.92ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.1MB in the beginning and 87.6MB in the end (delta: -12.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 129.36ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 82.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 2.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 4 QuantifiedInterpolants, 583 SizeOfPredicates, 45 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((1 == mask_SORT_1) && (state_8 == 0)) && (var_12 == 0)) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:36:24,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dbcfbfe-24ca-4dcf-bba5-2082f9c8330f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE