./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2219ea94156769a64453f57b6a52ef88ef3de752606462d6d522bd63a3033e69 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:46,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:46,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:08:46,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:46,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:46,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:46,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:46,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:46,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:46,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:46,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:46,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:46,313 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:46,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:46,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:08:46,315 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:08:46,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:46,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:08:46,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:46,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:08:46,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:46,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:08:46,318 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:08:46,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:08:46,319 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:46,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:46,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:46,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:46,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:46,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:46,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:46,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:08:46,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:08:46,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:08:46,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:46,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:08:46,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:46,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:46,324 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:46,324 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_6709e824-2275-49de-9c7c-3a756639184a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2219ea94156769a64453f57b6a52ef88ef3de752606462d6d522bd63a3033e69 [2023-11-06 22:08:46,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:46,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:46,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:46,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:46,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:46,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i [2023-11-06 22:08:49,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:49,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:49,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i [2023-11-06 22:08:49,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data/580fae66d/e0e7d10941cd4fed929a789d9b4730d4/FLAG9f98d8477 [2023-11-06 22:08:50,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data/580fae66d/e0e7d10941cd4fed929a789d9b4730d4 [2023-11-06 22:08:50,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:50,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:50,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:50,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:50,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:50,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4982b96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50, skipping insertion in model container [2023-11-06 22:08:50,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:50,227 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_6709e824-2275-49de-9c7c-3a756639184a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i[919,932] [2023-11-06 22:08:50,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:50,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:50,356 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_6709e824-2275-49de-9c7c-3a756639184a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i[919,932] [2023-11-06 22:08:50,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:50,432 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:50,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50 WrapperNode [2023-11-06 22:08:50,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:50,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:50,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:50,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:50,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,517 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 256 [2023-11-06 22:08:50,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:50,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:50,518 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:50,518 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:50,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:50,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:50,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:50,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:50,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (1/1) ... [2023-11-06 22:08:50,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:50,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:50,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:50,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:08:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:08:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:08:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:50,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:50,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:50,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:51,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:51,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:51,440 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:08:51,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:51 BoogieIcfgContainer [2023-11-06 22:08:51,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:51,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:51,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:51,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:51,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:50" (1/3) ... [2023-11-06 22:08:51,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a684889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:51, skipping insertion in model container [2023-11-06 22:08:51,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:50" (2/3) ... [2023-11-06 22:08:51,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a684889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:51, skipping insertion in model container [2023-11-06 22:08:51,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:51" (3/3) ... [2023-11-06 22:08:51,465 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i [2023-11-06 22:08:51,485 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:51,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:08:51,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:51,562 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;@3948eb6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:51,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:08:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 71 states have internal predecessors, (107), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:08:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:08:51,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:51,590 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:51,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:51,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:51,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1813218038, now seen corresponding path program 1 times [2023-11-06 22:08:51,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:51,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279947545] [2023-11-06 22:08:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:51,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:51,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279947545] [2023-11-06 22:08:51,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:08:51,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851144471] [2023-11-06 22:08:51,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:51,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:51,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:51,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:51,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:08:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:52,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:08:52,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-06 22:08:52,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:52,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851144471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:52,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:52,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:08:52,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781822009] [2023-11-06 22:08:52,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:52,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:08:52,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:52,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:08:52,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:52,392 INFO L87 Difference]: Start difference. First operand has 97 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 71 states have internal predecessors, (107), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:08:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:52,449 INFO L93 Difference]: Finished difference Result 187 states and 328 transitions. [2023-11-06 22:08:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:08:52,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 166 [2023-11-06 22:08:52,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:52,466 INFO L225 Difference]: With dead ends: 187 [2023-11-06 22:08:52,467 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:08:52,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:08:52,474 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:52,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:08:52,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:08:52,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-06 22:08:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.462686567164179) internal successors, (98), 67 states have internal predecessors, (98), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:08:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2023-11-06 22:08:52,539 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 166 [2023-11-06 22:08:52,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:52,539 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2023-11-06 22:08:52,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:08:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2023-11-06 22:08:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:08:52,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:52,545 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:52,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:52,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:08:52,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:52,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:52,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1612470774, now seen corresponding path program 1 times [2023-11-06 22:08:52,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:52,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482423212] [2023-11-06 22:08:52,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:52,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:52,847 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:52,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704870412] [2023-11-06 22:08:52,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:52,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:52,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:52,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:52,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:08:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:53,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:08:53,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:53,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:53,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:53,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482423212] [2023-11-06 22:08:53,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704870412] [2023-11-06 22:08:53,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704870412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:53,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:53,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:53,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188797590] [2023-11-06 22:08:53,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:53,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:53,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:53,178 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:53,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:53,248 INFO L93 Difference]: Finished difference Result 183 states and 289 transitions. [2023-11-06 22:08:53,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:53,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 166 [2023-11-06 22:08:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:53,252 INFO L225 Difference]: With dead ends: 183 [2023-11-06 22:08:53,252 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:08:53,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:53,255 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 148 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:53,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 254 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:08:53,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:08:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-06 22:08:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.4477611940298507) internal successors, (97), 67 states have internal predecessors, (97), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:08:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 145 transitions. [2023-11-06 22:08:53,277 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 145 transitions. Word has length 166 [2023-11-06 22:08:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:53,279 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 145 transitions. [2023-11-06 22:08:53,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2023-11-06 22:08:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:08:53,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:53,283 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:53,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:53,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:53,490 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:53,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:53,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1170589673, now seen corresponding path program 1 times [2023-11-06 22:08:53,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:53,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426414563] [2023-11-06 22:08:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:53,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:53,581 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:53,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145799743] [2023-11-06 22:08:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:53,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:53,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:53,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:53,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:08:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:53,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:08:53,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:54,575 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426414563] [2023-11-06 22:08:54,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:54,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145799743] [2023-11-06 22:08:54,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145799743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:54,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:54,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:08:54,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511452404] [2023-11-06 22:08:54,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:54,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:54,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:54,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:54,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:54,582 INFO L87 Difference]: Start difference. First operand 93 states and 145 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:54,738 INFO L93 Difference]: Finished difference Result 248 states and 394 transitions. [2023-11-06 22:08:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:08:54,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 167 [2023-11-06 22:08:54,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:54,747 INFO L225 Difference]: With dead ends: 248 [2023-11-06 22:08:54,747 INFO L226 Difference]: Without dead ends: 158 [2023-11-06 22:08:54,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:54,753 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 30 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:54,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 337 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:08:54,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-06 22:08:54,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2023-11-06 22:08:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 101 states have (on average 1.4059405940594059) internal successors, (142), 101 states have internal predecessors, (142), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:08:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 238 transitions. [2023-11-06 22:08:54,819 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 238 transitions. Word has length 167 [2023-11-06 22:08:54,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:54,820 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 238 transitions. [2023-11-06 22:08:54,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:54,821 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 238 transitions. [2023-11-06 22:08:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-06 22:08:54,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:54,825 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:54,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:55,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:55,036 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:55,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash 864643368, now seen corresponding path program 1 times [2023-11-06 22:08:55,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604796789] [2023-11-06 22:08:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:55,081 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:55,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747515846] [2023-11-06 22:08:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:55,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:55,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:55,083 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:55,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:08:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:08:55,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:55,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:55,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604796789] [2023-11-06 22:08:55,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747515846] [2023-11-06 22:08:55,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747515846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:55,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:55,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:08:55,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899898404] [2023-11-06 22:08:55,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:55,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:55,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:55,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:55,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:55,477 INFO L87 Difference]: Start difference. First operand 152 states and 238 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:55,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:55,645 INFO L93 Difference]: Finished difference Result 342 states and 541 transitions. [2023-11-06 22:08:55,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:55,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2023-11-06 22:08:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:55,649 INFO L225 Difference]: With dead ends: 342 [2023-11-06 22:08:55,649 INFO L226 Difference]: Without dead ends: 247 [2023-11-06 22:08:55,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:55,651 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 144 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:55,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 456 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:08:55,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-11-06 22:08:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 221. [2023-11-06 22:08:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 145 states have (on average 1.3448275862068966) internal successors, (195), 145 states have internal predecessors, (195), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:08:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 339 transitions. [2023-11-06 22:08:55,694 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 339 transitions. Word has length 168 [2023-11-06 22:08:55,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:55,695 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 339 transitions. [2023-11-06 22:08:55,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:55,695 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 339 transitions. [2023-11-06 22:08:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:08:55,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:55,698 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:55,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:55,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:55,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:55,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1887197072, now seen corresponding path program 1 times [2023-11-06 22:08:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:55,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935149778] [2023-11-06 22:08:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:55,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:55,949 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:55,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400962065] [2023-11-06 22:08:55,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:55,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:55,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:55,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:55,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:08:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:08:56,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:56,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:56,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:56,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935149778] [2023-11-06 22:08:56,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:56,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400962065] [2023-11-06 22:08:56,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400962065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:56,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:56,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:56,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713414069] [2023-11-06 22:08:56,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:56,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:56,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:56,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:56,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:56,187 INFO L87 Difference]: Start difference. First operand 221 states and 339 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:56,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:56,366 INFO L93 Difference]: Finished difference Result 406 states and 626 transitions. [2023-11-06 22:08:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:08:56,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 169 [2023-11-06 22:08:56,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:56,370 INFO L225 Difference]: With dead ends: 406 [2023-11-06 22:08:56,371 INFO L226 Difference]: Without dead ends: 245 [2023-11-06 22:08:56,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:56,373 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 143 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:56,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 381 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:08:56,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-06 22:08:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 222. [2023-11-06 22:08:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.2876712328767124) internal successors, (188), 146 states have internal predecessors, (188), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:08:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 332 transitions. [2023-11-06 22:08:56,433 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 332 transitions. Word has length 169 [2023-11-06 22:08:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:56,437 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 332 transitions. [2023-11-06 22:08:56,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 332 transitions. [2023-11-06 22:08:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:08:56,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:56,443 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:56,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:56,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:56,649 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:56,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2027745682, now seen corresponding path program 1 times [2023-11-06 22:08:56,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:56,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046347035] [2023-11-06 22:08:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:56,714 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:56,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138764129] [2023-11-06 22:08:56,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:56,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:56,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:56,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:56,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:08:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:08:56,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:57,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:57,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:57,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046347035] [2023-11-06 22:08:57,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:57,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138764129] [2023-11-06 22:08:57,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138764129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:57,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:57,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:08:57,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493847707] [2023-11-06 22:08:57,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:57,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:08:57,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:57,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:08:57,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:08:57,091 INFO L87 Difference]: Start difference. First operand 222 states and 332 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:57,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:57,147 INFO L93 Difference]: Finished difference Result 402 states and 601 transitions. [2023-11-06 22:08:57,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:08:57,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 169 [2023-11-06 22:08:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:57,151 INFO L225 Difference]: With dead ends: 402 [2023-11-06 22:08:57,151 INFO L226 Difference]: Without dead ends: 236 [2023-11-06 22:08:57,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:08:57,153 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 29 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:57,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 266 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:08:57,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-06 22:08:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 223. [2023-11-06 22:08:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 147 states have (on average 1.2857142857142858) internal successors, (189), 147 states have internal predecessors, (189), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:08:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 333 transitions. [2023-11-06 22:08:57,185 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 333 transitions. Word has length 169 [2023-11-06 22:08:57,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:57,185 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 333 transitions. [2023-11-06 22:08:57,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 333 transitions. [2023-11-06 22:08:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:08:57,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:57,189 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:57,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:57,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:57,396 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:57,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:57,397 INFO L85 PathProgramCache]: Analyzing trace with hash 511253072, now seen corresponding path program 1 times [2023-11-06 22:08:57,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:57,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923416709] [2023-11-06 22:08:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:57,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:57,429 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:57,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826423776] [2023-11-06 22:08:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:57,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:57,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:57,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:57,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:08:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:57,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:08:57,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:57,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:57,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923416709] [2023-11-06 22:08:57,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826423776] [2023-11-06 22:08:57,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826423776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:57,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:57,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:57,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060432935] [2023-11-06 22:08:57,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:57,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:57,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:57,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:57,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:57,654 INFO L87 Difference]: Start difference. First operand 223 states and 333 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:57,900 INFO L93 Difference]: Finished difference Result 401 states and 599 transitions. [2023-11-06 22:08:57,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:57,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 170 [2023-11-06 22:08:57,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:57,904 INFO L225 Difference]: With dead ends: 401 [2023-11-06 22:08:57,904 INFO L226 Difference]: Without dead ends: 235 [2023-11-06 22:08:57,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:57,906 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 138 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:57,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 434 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:08:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-06 22:08:57,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 225. [2023-11-06 22:08:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 149 states have internal predecessors, (192), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:08:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 336 transitions. [2023-11-06 22:08:57,941 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 336 transitions. Word has length 170 [2023-11-06 22:08:57,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:57,945 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 336 transitions. [2023-11-06 22:08:57,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 336 transitions. [2023-11-06 22:08:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:08:57,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:57,948 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:57,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:58,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:58,158 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:58,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:58,159 INFO L85 PathProgramCache]: Analyzing trace with hash 88551246, now seen corresponding path program 1 times [2023-11-06 22:08:58,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:58,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682556958] [2023-11-06 22:08:58,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:58,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:58,196 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:58,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364455941] [2023-11-06 22:08:58,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:58,198 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:58,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:08:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:58,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:08:58,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:58,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:58,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682556958] [2023-11-06 22:08:58,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:58,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364455941] [2023-11-06 22:08:58,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364455941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:58,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:58,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:08:58,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140886304] [2023-11-06 22:08:58,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:58,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:08:58,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:58,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:08:58,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:08:58,440 INFO L87 Difference]: Start difference. First operand 225 states and 336 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:58,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:58,836 INFO L93 Difference]: Finished difference Result 444 states and 651 transitions. [2023-11-06 22:08:58,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:08:58,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 170 [2023-11-06 22:08:58,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:58,840 INFO L225 Difference]: With dead ends: 444 [2023-11-06 22:08:58,840 INFO L226 Difference]: Without dead ends: 276 [2023-11-06 22:08:58,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:08:58,842 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 239 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:58,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 395 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:08:58,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-11-06 22:08:58,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 266. [2023-11-06 22:08:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 180 states have (on average 1.2666666666666666) internal successors, (228), 181 states have internal predecessors, (228), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-06 22:08:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 388 transitions. [2023-11-06 22:08:58,873 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 388 transitions. Word has length 170 [2023-11-06 22:08:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:58,873 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 388 transitions. [2023-11-06 22:08:58,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:08:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 388 transitions. [2023-11-06 22:08:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:08:58,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:58,876 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:58,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:08:59,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:59,083 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:59,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:59,084 INFO L85 PathProgramCache]: Analyzing trace with hash 776015475, now seen corresponding path program 1 times [2023-11-06 22:08:59,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:59,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026505139] [2023-11-06 22:08:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:59,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:59,119 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:08:59,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068354557] [2023-11-06 22:08:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:59,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:08:59,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:59,122 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:08:59,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:08:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:59,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:08:59,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:08:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:08:59,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:08:59,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:59,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026505139] [2023-11-06 22:08:59,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:08:59,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068354557] [2023-11-06 22:08:59,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068354557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:59,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:59,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:08:59,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913037132] [2023-11-06 22:08:59,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:59,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:08:59,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:59,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:08:59,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:59,931 INFO L87 Difference]: Start difference. First operand 266 states and 388 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:09:00,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:00,577 INFO L93 Difference]: Finished difference Result 656 states and 943 transitions. [2023-11-06 22:09:00,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:09:00,578 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 171 [2023-11-06 22:09:00,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:00,583 INFO L225 Difference]: With dead ends: 656 [2023-11-06 22:09:00,583 INFO L226 Difference]: Without dead ends: 447 [2023-11-06 22:09:00,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:09:00,585 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 327 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:00,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 805 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:09:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-06 22:09:00,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 348. [2023-11-06 22:09:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 236 states have (on average 1.2669491525423728) internal successors, (299), 238 states have internal predecessors, (299), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 102 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-06 22:09:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 507 transitions. [2023-11-06 22:09:00,631 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 507 transitions. Word has length 171 [2023-11-06 22:09:00,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:00,632 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 507 transitions. [2023-11-06 22:09:00,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:09:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 507 transitions. [2023-11-06 22:09:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:09:00,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:00,635 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:00,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:09:00,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:00,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:00,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -812332427, now seen corresponding path program 1 times [2023-11-06 22:09:00,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:00,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526297410] [2023-11-06 22:09:00,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:00,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:00,872 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:09:00,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092437775] [2023-11-06 22:09:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:00,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:09:00,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:00,874 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:09:00,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:09:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:09:01,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:09:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:09:01,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:09:01,277 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:09:01,278 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:09:01,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-06 22:09:01,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:09:01,490 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:01,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:09:01,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:09:01 BoogieIcfgContainer [2023-11-06 22:09:01,713 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:09:01,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:09:01,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:09:01,714 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:09:01,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:51" (3/4) ... [2023-11-06 22:09:01,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:09:01,718 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:09:01,719 INFO L158 Benchmark]: Toolchain (without parser) took 11704.62ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 52.1MB in the beginning and 114.0MB in the end (delta: -61.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:09:01,719 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:09:01,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.77ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 51.9MB in the beginning and 105.5MB in the end (delta: -53.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-06 22:09:01,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.36ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 101.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:09:01,721 INFO L158 Benchmark]: Boogie Preprocessor took 53.02ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 98.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:09:01,721 INFO L158 Benchmark]: RCFGBuilder took 874.05ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 70.6MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-06 22:09:01,722 INFO L158 Benchmark]: TraceAbstraction took 10264.95ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 69.9MB in the beginning and 114.0MB in the end (delta: -44.1MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2023-11-06 22:09:01,722 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 163.6MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:09:01,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.77ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 51.9MB in the beginning and 105.5MB in the end (delta: -53.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.36ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 101.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.02ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 98.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.05ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 70.6MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10264.95ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 69.9MB in the beginning and 114.0MB in the end (delta: -44.1MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 163.6MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryFLOATComparisonOperation at line 182, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 32; [L27] double var_1_9 = 4.6; [L28] double var_1_10 = 9.25; [L29] double var_1_11 = 1.25; [L30] unsigned char var_1_12 = 100; [L31] unsigned char var_1_13 = 64; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 7.5; [L34] signed long int var_1_16 = 0; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_20 = 0; [L38] double var_1_21 = 4.65; [L39] double var_1_23 = 9999999999.1; [L40] double var_1_24 = 5.5; [L41] unsigned short int var_1_25 = 16; [L42] signed long int var_1_27 = 32; [L43] signed char var_1_31 = 32; [L44] signed char var_1_32 = 32; [L45] signed short int var_1_33 = 100; [L46] unsigned char var_1_34 = 1; [L47] double var_1_35 = 3.8; [L48] unsigned char var_1_36 = 0; [L49] signed short int var_1_37 = -256; [L50] unsigned short int var_1_38 = 4; [L51] double last_1_var_1_9 = 4.6; [L52] unsigned char last_1_var_1_12 = 100; [L53] unsigned char last_1_var_1_14 = 0; [L54] signed long int last_1_var_1_16 = 0; VAL [isInitial=0, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L176] last_1_var_1_9 = var_1_9 [L177] last_1_var_1_12 = var_1_12 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L189] RET updateLastVariables() [L190] CALL updateVariables() [L137] var_1_5 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L138] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L139] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L139] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L141] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L143] var_1_8 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L144] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L145] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L145] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L146] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L146] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L147] var_1_10 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L148] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L149] var_1_13 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L150] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L151] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L151] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L152] var_1_18 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L153] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L154] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L154] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L155] var_1_20 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L156] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L157] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L157] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=99999999991/10, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L158] var_1_23 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L159] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=11/2, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L160] var_1_24 = __VERIFIER_nondet_double() [L161] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L161] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=32, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L162] var_1_31 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_31 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L163] RET assume_abort_if_not(var_1_31 >= -127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L164] CALL assume_abort_if_not(var_1_31 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L164] RET assume_abort_if_not(var_1_31 <= 127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=32, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L165] var_1_32 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L166] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L167] CALL assume_abort_if_not(var_1_32 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L167] RET assume_abort_if_not(var_1_32 <= 127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=19/5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L168] var_1_35 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L169] RET assume_abort_if_not((var_1_35 >= -922337.2036854776000e+13F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L170] CALL assume_abort_if_not(var_1_35 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L170] RET assume_abort_if_not(var_1_35 != 0.0F) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=0, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L171] var_1_36 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L172] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L173] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L173] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L190] RET updateVariables() [L191] CALL step() [L58] var_1_17 = (var_1_18 || (var_1_6 && var_1_20)) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L59] COND TRUE ! var_1_14 [L60] var_1_21 = (var_1_23 - ((((7.7) > (var_1_24)) ? (7.7) : (var_1_24)))) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=16, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L62] var_1_25 = var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L63] COND FALSE !(((((var_1_9) > (var_1_24)) ? (var_1_9) : (var_1_24))) > var_1_23) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=100, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L76] var_1_33 = var_1_31 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L77] COND FALSE !(var_1_31 >= var_1_32) [L82] var_1_34 = ((var_1_24 >= (var_1_11 / var_1_35)) || var_1_36) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L84] EXPR var_1_12 | var_1_16 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12 | var_1_16=100, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L84] EXPR var_1_12 ^ (var_1_12 | var_1_16) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12 ^ (var_1_12 | var_1_16)=0, var_1_12 | var_1_16=100, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L84] EXPR var_1_31 ^ var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12 ^ (var_1_12 | var_1_16)=0, var_1_12 | var_1_16=100, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31 ^ var_1_12=100, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=-256, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L84] COND TRUE (var_1_12 ^ (var_1_12 | var_1_16)) < (var_1_31 ^ var_1_12) [L85] var_1_37 = var_1_31 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L87] var_1_38 = var_1_12 [L88] signed long int stepLocal_4 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L89] COND FALSE !(\read(last_1_var_1_14)) [L100] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L102] var_1_16 = last_1_var_1_12 [L103] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u); [L104] signed long int stepLocal_5 = var_1_13 + 16; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L105] COND TRUE stepLocal_6 <= var_1_16 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L106] COND FALSE !(stepLocal_5 >= var_1_16) [L109] var_1_14 = var_1_7 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L112] unsigned char stepLocal_0 = var_1_12; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L113] EXPR var_1_12 ^ var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12 ^ var_1_12=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L113] COND TRUE stepLocal_0 <= (var_1_12 ^ var_1_12) [L114] var_1_1 = (! var_1_5) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L118] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8); [L119] signed long int stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L120] COND FALSE !(-256 >= stepLocal_1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=99, var_1_9=23/5] [L123] COND TRUE stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1) [L124] var_1_6 = var_1_7 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L127] unsigned char stepLocal_3 = ! var_1_5; VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=5/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L128] COND TRUE (var_1_7 && var_1_14) || stepLocal_3 [L129] var_1_11 = var_1_10 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=15/2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L131] var_1_15 = var_1_10 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=23/5] [L132] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8) [L133] var_1_9 = var_1_10 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, stepLocal_0=0, stepLocal_1=100, stepLocal_2=1, stepLocal_3=1, stepLocal_4=0, stepLocal_5=16, stepLocal_6=0, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR var_1_12 ^ var_1_12 VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12 ^ var_1_12=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L182-L183] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_1=1, var_1_20=0, var_1_23=3, var_1_24=4, var_1_25=100, var_1_27=32, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=1, var_1_35=5, var_1_36=1, var_1_37=0, var_1_38=100, var_1_5=0, var_1_6=1, var_1_7=1, var_1_8=99, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 10, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1198 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1198 mSDsluCounter, 3474 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2106 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1278 IncrementalHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1368 mSDtfsCounter, 1278 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1519 GetRequests, 1485 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=9, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 187 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1853 NumberOfCodeBlocks, 1853 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1507 ConstructedInterpolants, 0 QuantifiedInterpolants, 3933 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3884 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 9936/9936 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 22:09:01,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2219ea94156769a64453f57b6a52ef88ef3de752606462d6d522bd63a3033e69 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:09:04,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:09:04,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:09:04,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:09:04,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:09:04,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:09:04,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:09:04,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:09:04,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:09:04,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:09:04,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:09:04,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:09:04,655 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:09:04,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:09:04,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:09:04,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:09:04,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:09:04,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:09:04,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:09:04,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:09:04,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:09:04,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:09:04,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:09:04,663 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:09:04,664 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:09:04,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:09:04,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:09:04,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:09:04,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:09:04,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:09:04,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:09:04,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:09:04,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:09:04,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:09:04,674 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:09:04,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:09:04,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:09:04,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:09:04,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:09:04,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:09:04,677 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:09:04,678 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:09:04,678 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_6709e824-2275-49de-9c7c-3a756639184a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2219ea94156769a64453f57b6a52ef88ef3de752606462d6d522bd63a3033e69 [2023-11-06 22:09:05,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:09:05,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:09:05,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:09:05,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:09:05,183 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:09:05,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i [2023-11-06 22:09:08,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:09:08,642 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:09:08,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i [2023-11-06 22:09:08,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data/306cb7611/983577eb2a154ec5927a0d7f7cfbd3fb/FLAGfbff6068b [2023-11-06 22:09:08,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/data/306cb7611/983577eb2a154ec5927a0d7f7cfbd3fb [2023-11-06 22:09:08,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:09:08,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:09:08,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:09:08,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:09:08,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:09:08,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:09:08" (1/1) ... [2023-11-06 22:09:08,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199cacad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:08, skipping insertion in model container [2023-11-06 22:09:08,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:09:08" (1/1) ... [2023-11-06 22:09:08,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:09:08,908 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_6709e824-2275-49de-9c7c-3a756639184a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i[919,932] [2023-11-06 22:09:08,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:09:09,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:09:09,023 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_6709e824-2275-49de-9c7c-3a756639184a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i[919,932] [2023-11-06 22:09:09,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:09:09,095 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:09:09,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09 WrapperNode [2023-11-06 22:09:09,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:09:09,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:09:09,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:09:09,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:09:09,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,169 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-06 22:09:09,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:09:09,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:09:09,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:09:09,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:09:09,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:09:09,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:09:09,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:09:09,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:09:09,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (1/1) ... [2023-11-06 22:09:09,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:09:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:09,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:09:09,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:09:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:09:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:09:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:09:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:09:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:09:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:09:09,514 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:09:09,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:09:12,908 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:09:12,917 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:09:12,917 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:09:12,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:09:12 BoogieIcfgContainer [2023-11-06 22:09:12,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:09:12,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:09:12,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:09:12,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:09:12,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:09:08" (1/3) ... [2023-11-06 22:09:12,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e59a158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:09:12, skipping insertion in model container [2023-11-06 22:09:12,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:09" (2/3) ... [2023-11-06 22:09:12,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e59a158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:09:12, skipping insertion in model container [2023-11-06 22:09:12,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:09:12" (3/3) ... [2023-11-06 22:09:12,931 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-68.i [2023-11-06 22:09:12,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:09:12,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:09:13,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:09:13,020 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;@484fbe36, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:09:13,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:09:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:09:13,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:09:13,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:13,045 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:13,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:13,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:13,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1434106218, now seen corresponding path program 1 times [2023-11-06 22:09:13,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:09:13,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777056763] [2023-11-06 22:09:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:13,079 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 22:09:13,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:09:13,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:13,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:14,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:09:14,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-06 22:09:14,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:09:14,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:09:14,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777056763] [2023-11-06 22:09:14,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777056763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:14,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:14,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:09:14,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815456626] [2023-11-06 22:09:14,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:14,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:09:14,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:09:14,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:09:14,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:09:14,510 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:09:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:14,545 INFO L93 Difference]: Finished difference Result 157 states and 270 transitions. [2023-11-06 22:09:14,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:09:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2023-11-06 22:09:14,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:14,561 INFO L225 Difference]: With dead ends: 157 [2023-11-06 22:09:14,564 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 22:09:14,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:09:14,578 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:14,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:09:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 22:09:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 22:09:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:09:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2023-11-06 22:09:14,675 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 160 [2023-11-06 22:09:14,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:14,676 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2023-11-06 22:09:14,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:09:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2023-11-06 22:09:14,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:09:14,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:14,701 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:14,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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)] Ended with exit code 0 [2023-11-06 22:09:14,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:14,912 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:14,912 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:14,913 INFO L85 PathProgramCache]: Analyzing trace with hash -625946518, now seen corresponding path program 1 times [2023-11-06 22:09:14,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:09:14,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398997060] [2023-11-06 22:09:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:14,915 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 22:09:14,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:09:14,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:14,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:16,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:09:16,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:09:18,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:09:18,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:09:18,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398997060] [2023-11-06 22:09:18,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398997060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:18,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:18,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:09:18,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262966160] [2023-11-06 22:09:18,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:18,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:09:18,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:09:18,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:09:18,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:09:18,123 INFO L87 Difference]: Start difference. First operand 78 states and 119 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:09:22,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:22,980 INFO L93 Difference]: Finished difference Result 320 states and 489 transitions. [2023-11-06 22:09:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:09:22,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-06 22:09:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:22,986 INFO L225 Difference]: With dead ends: 320 [2023-11-06 22:09:22,987 INFO L226 Difference]: Without dead ends: 245 [2023-11-06 22:09:22,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:09:22,990 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 316 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:22,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 513 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-06 22:09:22,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-06 22:09:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 198. [2023-11-06 22:09:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 122 states have internal predecessors, (160), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:09:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 304 transitions. [2023-11-06 22:09:23,050 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 304 transitions. Word has length 160 [2023-11-06 22:09:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:23,051 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 304 transitions. [2023-11-06 22:09:23,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:09:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 304 transitions. [2023-11-06 22:09:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:09:23,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:23,056 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:23,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:23,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:23,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:23,272 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash 75118060, now seen corresponding path program 1 times [2023-11-06 22:09:23,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:09:23,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881131184] [2023-11-06 22:09:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:23,274 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 22:09:23,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:09:23,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:09:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:24,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:09:24,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:09:24,750 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:09:24,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:09:24,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881131184] [2023-11-06 22:09:24,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881131184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:24,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:24,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:09:24,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127759994] [2023-11-06 22:09:24,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:24,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:09:24,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:09:24,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:09:24,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:09:24,755 INFO L87 Difference]: Start difference. First operand 198 states and 304 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:09:25,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:25,402 INFO L93 Difference]: Finished difference Result 329 states and 505 transitions. [2023-11-06 22:09:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:09:25,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2023-11-06 22:09:25,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:25,427 INFO L225 Difference]: With dead ends: 329 [2023-11-06 22:09:25,427 INFO L226 Difference]: Without dead ends: 198 [2023-11-06 22:09:25,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:09:25,435 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 122 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:25,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 205 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:09:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-06 22:09:25,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2023-11-06 22:09:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 122 states have internal predecessors, (158), 72 states have call successors, (72), 3 states have call predecessors, (72), 3 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-06 22:09:25,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 302 transitions. [2023-11-06 22:09:25,531 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 302 transitions. Word has length 160 [2023-11-06 22:09:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:25,532 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 302 transitions. [2023-11-06 22:09:25,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:09:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 302 transitions. [2023-11-06 22:09:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-06 22:09:25,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:25,545 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:25,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:09:25,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:25,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:25,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:25,764 INFO L85 PathProgramCache]: Analyzing trace with hash 297361084, now seen corresponding path program 1 times [2023-11-06 22:09:25,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:09:25,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874773770] [2023-11-06 22:09:25,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:25,766 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 22:09:25,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:09:25,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/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 22:09:25,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:09:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:26,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:09:26,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:09:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 417 proven. 114 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-06 22:09:32,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:09:36,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:09:36,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874773770] [2023-11-06 22:09:36,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874773770] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:09:36,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [684526459] [2023-11-06 22:09:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:36,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:09:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:09:36,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:09:36,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6709e824-2275-49de-9c7c-3a756639184a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:09:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:39,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:09:39,271 INFO L285 TraceCheckSpWp]: Computing forward predicates...