./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:05,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:05,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:52:05,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:05,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:05,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:05,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:05,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:05,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:05,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:05,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:05,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:05,249 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:05,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:05,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:05,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:05,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:05,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:05,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:05,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:05,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:05,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:05,256 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:05,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:05,257 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:05,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:05,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:05,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:05,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:05,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:05,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:05,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:05,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:05,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:05,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:05,263 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:05,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:05,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:05,264 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:05,264 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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 [2023-11-06 22:52:05,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:05,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:05,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:05,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:05,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:05,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-06 22:52:08,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:09,176 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:09,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-06 22:52:09,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data/9416808e7/b75d9ef1cebe44cda78b1d0c7894cdd3/FLAG2a5aa2b87 [2023-11-06 22:52:09,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data/9416808e7/b75d9ef1cebe44cda78b1d0c7894cdd3 [2023-11-06 22:52:09,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:09,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:09,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:09,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:09,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:09,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3756b915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09, skipping insertion in model container [2023-11-06 22:52:09,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:09,440 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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-06 22:52:09,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:09,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:09,584 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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-06 22:52:09,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:09,643 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:09,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09 WrapperNode [2023-11-06 22:52:09,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:09,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:09,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:09,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:09,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,732 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-11-06 22:52:09,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:09,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:09,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:09,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:09,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:09,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:09,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:09,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:09,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:09,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:09,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:09,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:52:09,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:52:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:52:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:10,045 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:10,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:10,610 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:10,618 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:10,618 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:10,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:10 BoogieIcfgContainer [2023-11-06 22:52:10,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:10,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:10,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:10,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:10,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:09" (1/3) ... [2023-11-06 22:52:10,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fc85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:10, skipping insertion in model container [2023-11-06 22:52:10,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (2/3) ... [2023-11-06 22:52:10,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209fc85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:10, skipping insertion in model container [2023-11-06 22:52:10,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:10" (3/3) ... [2023-11-06 22:52:10,631 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-06 22:52:10,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:10,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:10,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:10,717 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;@5fe3c81d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:10,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:10,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:52:10,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:10,743 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:10,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:10,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:10,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1694152547, now seen corresponding path program 1 times [2023-11-06 22:52:10,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:10,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719548911] [2023-11-06 22:52:10,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:10,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:11,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:11,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719548911] [2023-11-06 22:52:11,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:52:11,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492720247] [2023-11-06 22:52:11,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:11,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:11,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:52:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:11,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:52:11,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2023-11-06 22:52:11,515 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:11,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492720247] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:11,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:11,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:11,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426342628] [2023-11-06 22:52:11,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:11,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:52:11,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:52:11,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:11,575 INFO L87 Difference]: Start difference. First operand has 95 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 22:52:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:11,614 INFO L93 Difference]: Finished difference Result 183 states and 329 transitions. [2023-11-06 22:52:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:52:11,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2023-11-06 22:52:11,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:11,627 INFO L225 Difference]: With dead ends: 183 [2023-11-06 22:52:11,627 INFO L226 Difference]: Without dead ends: 91 [2023-11-06 22:52:11,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 199 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 22:52:11,636 INFO L413 NwaCegarLoop]: 144 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, 144 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 22:52:11,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:11,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-06 22:52:11,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-06 22:52:11,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 58 states have internal predecessors, (82), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 144 transitions. [2023-11-06 22:52:11,715 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 144 transitions. Word has length 200 [2023-11-06 22:52:11,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:11,716 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 144 transitions. [2023-11-06 22:52:11,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 22:52:11,717 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 144 transitions. [2023-11-06 22:52:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:52:11,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:11,724 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:11,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:52:11,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:52:11,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:11,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:11,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2032782819, now seen corresponding path program 1 times [2023-11-06 22:52:11,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:11,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640733046] [2023-11-06 22:52:11,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:11,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:12,097 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:52:12,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77353524] [2023-11-06 22:52:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:12,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:12,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:12,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:12,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:52:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:52:12,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:12,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:12,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:12,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640733046] [2023-11-06 22:52:12,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:52:12,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77353524] [2023-11-06 22:52:12,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77353524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:12,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:12,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:52:12,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319257880] [2023-11-06 22:52:12,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:12,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:12,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:12,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:12,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:12,390 INFO L87 Difference]: Start difference. First operand 91 states and 144 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:12,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:12,498 INFO L93 Difference]: Finished difference Result 179 states and 285 transitions. [2023-11-06 22:52:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:12,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-06 22:52:12,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:12,505 INFO L225 Difference]: With dead ends: 179 [2023-11-06 22:52:12,506 INFO L226 Difference]: Without dead ends: 91 [2023-11-06 22:52:12,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 22:52:12,512 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:12,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-06 22:52:12,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-06 22:52:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.396551724137931) internal successors, (81), 58 states have internal predecessors, (81), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 143 transitions. [2023-11-06 22:52:12,540 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 143 transitions. Word has length 200 [2023-11-06 22:52:12,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:12,543 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 143 transitions. [2023-11-06 22:52:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:12,545 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2023-11-06 22:52:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-06 22:52:12,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:12,553 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:12,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:12,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:12,759 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:12,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash -659063248, now seen corresponding path program 1 times [2023-11-06 22:52:12,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:12,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735721820] [2023-11-06 22:52:12,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:12,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:12,817 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:52:12,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324877105] [2023-11-06 22:52:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:12,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:12,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:12,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:12,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:52:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:13,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:52:13,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:13,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:13,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:13,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735721820] [2023-11-06 22:52:13,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:52:13,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324877105] [2023-11-06 22:52:13,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324877105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:13,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:13,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:52:13,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524470746] [2023-11-06 22:52:13,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:13,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:52:13,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:13,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:52:13,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:52:13,109 INFO L87 Difference]: Start difference. First operand 91 states and 143 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:13,488 INFO L93 Difference]: Finished difference Result 289 states and 458 transitions. [2023-11-06 22:52:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:52:13,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-06 22:52:13,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:13,493 INFO L225 Difference]: With dead ends: 289 [2023-11-06 22:52:13,493 INFO L226 Difference]: Without dead ends: 201 [2023-11-06 22:52:13,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:52:13,495 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 175 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:13,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 527 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:13,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-06 22:52:13,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2023-11-06 22:52:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 131 states have (on average 1.3511450381679388) internal successors, (177), 131 states have internal predecessors, (177), 62 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:52:13,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 301 transitions. [2023-11-06 22:52:13,526 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 301 transitions. Word has length 201 [2023-11-06 22:52:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:13,527 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 301 transitions. [2023-11-06 22:52:13,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 301 transitions. [2023-11-06 22:52:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-06 22:52:13,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:13,531 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:13,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:13,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:13,738 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:13,738 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:13,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1732148628, now seen corresponding path program 1 times [2023-11-06 22:52:13,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:13,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56845356] [2023-11-06 22:52:13,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:13,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:13,790 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:52:13,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816303080] [2023-11-06 22:52:13,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:13,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:13,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:13,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:13,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:52:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:13,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:52:13,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:14,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:14,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:14,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56845356] [2023-11-06 22:52:14,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:52:14,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816303080] [2023-11-06 22:52:14,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816303080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:14,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:14,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:52:14,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270941118] [2023-11-06 22:52:14,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:14,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:52:14,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:14,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:52:14,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:52:14,333 INFO L87 Difference]: Start difference. First operand 197 states and 301 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:14,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:14,749 INFO L93 Difference]: Finished difference Result 587 states and 898 transitions. [2023-11-06 22:52:14,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:52:14,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-06 22:52:14,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:14,755 INFO L225 Difference]: With dead ends: 587 [2023-11-06 22:52:14,755 INFO L226 Difference]: Without dead ends: 393 [2023-11-06 22:52:14,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:14,758 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 127 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:14,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 414 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:52:14,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-06 22:52:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2023-11-06 22:52:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 258 states have (on average 1.3488372093023255) internal successors, (348), 258 states have internal predecessors, (348), 124 states have call successors, (124), 6 states have call predecessors, (124), 6 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-06 22:52:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 596 transitions. [2023-11-06 22:52:14,852 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 596 transitions. Word has length 201 [2023-11-06 22:52:14,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:14,853 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 596 transitions. [2023-11-06 22:52:14,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 596 transitions. [2023-11-06 22:52:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-06 22:52:14,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:14,858 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:14,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:15,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:15,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:15,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash -2103498009, now seen corresponding path program 1 times [2023-11-06 22:52:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399391931] [2023-11-06 22:52:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:15,133 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:52:15,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283397222] [2023-11-06 22:52:15,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:15,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:15,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:15,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:15,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:52:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:15,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:52:15,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-11-06 22:52:16,035 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 22:52:16,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:16,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399391931] [2023-11-06 22:52:16,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:52:16,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283397222] [2023-11-06 22:52:16,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283397222] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:52:16,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:52:16,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2023-11-06 22:52:16,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022281901] [2023-11-06 22:52:16,548 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:52:16,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:52:16,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:16,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:52:16,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:52:16,553 INFO L87 Difference]: Start difference. First operand 389 states and 596 transitions. Second operand has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-11-06 22:52:19,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:19,317 INFO L93 Difference]: Finished difference Result 1409 states and 2096 transitions. [2023-11-06 22:52:19,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:52:19,318 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) Word has length 202 [2023-11-06 22:52:19,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:19,326 INFO L225 Difference]: With dead ends: 1409 [2023-11-06 22:52:19,327 INFO L226 Difference]: Without dead ends: 1006 [2023-11-06 22:52:19,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=629, Invalid=1821, Unknown=0, NotChecked=0, Total=2450 [2023-11-06 22:52:19,331 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 751 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:19,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1182 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:52:19,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2023-11-06 22:52:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 551. [2023-11-06 22:52:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 379 states have (on average 1.3430079155672823) internal successors, (509), 382 states have internal predecessors, (509), 157 states have call successors, (157), 14 states have call predecessors, (157), 14 states have return successors, (157), 154 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-06 22:52:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 823 transitions. [2023-11-06 22:52:19,479 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 823 transitions. Word has length 202 [2023-11-06 22:52:19,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:19,480 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 823 transitions. [2023-11-06 22:52:19,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.857142857142857) internal successors, (96), 14 states have internal predecessors, (96), 4 states have call successors, (62), 3 states have call predecessors, (62), 5 states have return successors, (62), 4 states have call predecessors, (62), 4 states have call successors, (62) [2023-11-06 22:52:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 823 transitions. [2023-11-06 22:52:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-06 22:52:19,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:19,484 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:19,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:19,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:19,691 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:19,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1680796183, now seen corresponding path program 1 times [2023-11-06 22:52:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:19,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978573320] [2023-11-06 22:52:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:19,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:19,753 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:52:19,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509203823] [2023-11-06 22:52:19,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:19,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:19,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:19,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:52:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:19,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:52:19,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 204 proven. 3 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-06 22:52:20,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 22:52:20,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:20,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978573320] [2023-11-06 22:52:20,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:52:20,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509203823] [2023-11-06 22:52:20,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509203823] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:52:20,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:52:20,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:52:20,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698093500] [2023-11-06 22:52:20,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:52:20,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:52:20,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:20,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:52:20,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:52:20,207 INFO L87 Difference]: Start difference. First operand 551 states and 823 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-06 22:52:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:20,553 INFO L93 Difference]: Finished difference Result 1133 states and 1673 transitions. [2023-11-06 22:52:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:52:20,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 202 [2023-11-06 22:52:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:20,565 INFO L225 Difference]: With dead ends: 1133 [2023-11-06 22:52:20,565 INFO L226 Difference]: Without dead ends: 585 [2023-11-06 22:52:20,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:20,570 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 168 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:20,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 253 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:52:20,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2023-11-06 22:52:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 567. [2023-11-06 22:52:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 391 states have (on average 1.3171355498721227) internal successors, (515), 394 states have internal predecessors, (515), 157 states have call successors, (157), 18 states have call predecessors, (157), 18 states have return successors, (157), 154 states have call predecessors, (157), 157 states have call successors, (157) [2023-11-06 22:52:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 829 transitions. [2023-11-06 22:52:20,683 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 829 transitions. Word has length 202 [2023-11-06 22:52:20,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:20,684 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 829 transitions. [2023-11-06 22:52:20,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-06 22:52:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 829 transitions. [2023-11-06 22:52:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-06 22:52:20,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:20,688 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:20,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:20,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:52:20,895 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:20,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash 620026407, now seen corresponding path program 1 times [2023-11-06 22:52:20,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:20,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848879026] [2023-11-06 22:52:20,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:20,952 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:52:20,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35845052] [2023-11-06 22:52:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:20,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:52:20,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:20,956 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:52:20,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:52:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:21,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:52:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:21,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:52:21,424 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:52:21,425 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:52:21,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:21,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:52:21,637 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:21,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:52:21,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:52:21 BoogieIcfgContainer [2023-11-06 22:52:21,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:52:21,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:52:21,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:52:21,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:52:21,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:10" (3/4) ... [2023-11-06 22:52:21,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:52:21,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:52:21,804 INFO L158 Benchmark]: Toolchain (without parser) took 12588.39ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 109.2MB in the beginning and 124.0MB in the end (delta: -14.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2023-11-06 22:52:21,805 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:21,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.21ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 93.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:52:21,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.08ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 89.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:52:21,806 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:21,806 INFO L158 Benchmark]: RCFGBuilder took 836.36ms. Allocated memory is still 155.2MB. Free memory was 87.4MB in the beginning and 118.3MB in the end (delta: -30.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:21,807 INFO L158 Benchmark]: TraceAbstraction took 11174.37ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 117.4MB in the beginning and 124.0MB in the end (delta: -6.5MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-11-06 22:52:21,807 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 224.4MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:21,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.21ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 93.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.08ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 89.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 155.2MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 836.36ms. Allocated memory is still 155.2MB. Free memory was 87.4MB in the beginning and 118.3MB in the end (delta: -30.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11174.37ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 117.4MB in the beginning and 124.0MB in the end (delta: -6.5MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 224.4MB. Free memory is still 124.0MB. 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 188, overapproximation of someBinaryFLOATComparisonOperation at line 188. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; [L43] unsigned char var_1_28 = 1; [L44] unsigned long int var_1_33 = 10; [L45] unsigned long int var_1_35 = 2632045268; [L46] signed long int var_1_36 = 32; [L47] unsigned long int var_1_37 = 128; [L48] unsigned long int var_1_39 = 1877460848; [L49] unsigned long int var_1_40 = 1831388024; [L50] unsigned long int var_1_41 = 1967003719; [L51] unsigned char var_1_42 = 0; [L52] unsigned char var_1_46 = 0; [L53] unsigned short int var_1_49 = 0; VAL [isInitial=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2, var_1_9=4000000001/4] [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] FCALL updateLastVariables() [L196] CALL updateVariables() [L136] var_1_9 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L137] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L138] var_1_11 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L139] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L140] var_1_13 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L141] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L142] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L144] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L145] var_1_16 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L146] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L147] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L148] var_1_17 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L149] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L150] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L151] var_1_19 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L152] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L153] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L156] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L157] var_1_21 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L158] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L159] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L160] var_1_22 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L161] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L162] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L163] var_1_24 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L164] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L165] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L166] var_1_25 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L167] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L168] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L169] var_1_26 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L170] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L171] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=2632045268, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L172] var_1_35 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L173] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L174] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=1877460848, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L175] var_1_39 = __VERIFIER_nondet_ulong() [L176] CALL assume_abort_if_not(var_1_39 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L176] RET assume_abort_if_not(var_1_39 >= 1073741823) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] CALL assume_abort_if_not(var_1_39 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L177] RET assume_abort_if_not(var_1_39 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=1831388024, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L178] var_1_40 = __VERIFIER_nondet_ulong() [L179] CALL assume_abort_if_not(var_1_40 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L179] RET assume_abort_if_not(var_1_40 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L180] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=1967003719, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L181] var_1_41 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_41 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L182] RET assume_abort_if_not(var_1_41 >= 1073741824) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] CALL assume_abort_if_not(var_1_41 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L183] RET assume_abort_if_not(var_1_41 <= 2147483647) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L196] RET updateVariables() [L197] CALL step() [L57] EXPR var_1_27 | (var_1_21 + var_1_27) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27 | (var_1_21 + var_1_27)=32, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L57] COND FALSE !(var_1_27 < (var_1_27 | (var_1_21 + var_1_27))) [L60] EXPR var_1_21 >> var_1_21 VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21 >> var_1_21=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L60] COND TRUE var_1_21 >= (var_1_21 >> var_1_21) [L61] COND FALSE !(var_1_23 || (var_1_17 < var_1_21)) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L65] COND TRUE var_1_27 > (var_1_20 / var_1_35) [L66] var_1_36 = ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27))) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=128, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L68] COND TRUE 63.75f <= var_1_11 [L69] var_1_37 = ((var_1_39 + ((((var_1_40) > (var_1_41)) ? (var_1_40) : (var_1_41)))) - ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L71] COND FALSE !(var_1_41 < ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27)))) [L74] var_1_42 = (var_1_25 || var_1_25) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L76] COND FALSE !(\read(var_1_25)) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L83] COND FALSE !((var_1_39 - ((((-50) < 0 ) ? -(-50) : (-50)))) < var_1_27) VAL [isInitial=1, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L88] var_1_15 = (var_1_16 - var_1_17) [L89] var_1_27 = var_1_21 [L90] unsigned char stepLocal_1 = var_1_27; [L91] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L92] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L93] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L101] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L104] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=11/10, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L105] COND FALSE !(var_1_27 > stepLocal_2) [L108] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L110] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L111] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L113] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L114] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L123] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L124] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L125] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=319/5, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L128] COND TRUE 1 >= stepLocal_3 [L129] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_14=3, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_28=1, var_1_33=10, var_1_35=4294967294, var_1_36=32, var_1_37=4294967294, var_1_39=2147483647, var_1_40=2147483647, var_1_41=2147483647, var_1_42=0, var_1_46=0, var_1_49=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 7, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1288 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1221 mSDsluCounter, 2784 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1881 mSDsCounter, 425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2102 IncrementalHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 425 mSolverCounterUnsat, 903 mSDtfsCounter, 2102 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1654 GetRequests, 1586 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=567occurred in iteration=6, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 481 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1608 NumberOfCodeBlocks, 1608 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1602 ConstructedInterpolants, 0 QuantifiedInterpolants, 3589 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2892 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 14736/14880 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 22:52:21,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:24,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:24,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:52:24,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:24,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:24,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:24,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:24,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:24,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:24,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:24,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:24,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:24,707 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:24,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:24,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:24,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:24,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:24,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:24,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:24,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:24,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:24,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:52:24,718 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:52:24,718 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:52:24,718 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:24,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:24,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:24,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:24,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:24,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:24,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:24,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:24,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:24,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:24,722 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:52:24,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:52:24,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:24,723 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:24,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:24,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:24,725 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:52:24,727 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:24,727 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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48911f036e4c9fa9d9a65d0028aef976f5373407f72a9bbf7695ddc823019d88 [2023-11-06 22:52:25,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:25,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:25,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:25,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:25,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:25,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-06 22:52:28,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:28,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:28,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-06 22:52:28,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data/76c011197/8e5b990b07bd49d29a3a190440e98960/FLAGff0d20c02 [2023-11-06 22:52:28,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/data/76c011197/8e5b990b07bd49d29a3a190440e98960 [2023-11-06 22:52:28,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:28,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:28,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:28,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:28,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:28,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:28" (1/1) ... [2023-11-06 22:52:28,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8e9bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:28, skipping insertion in model container [2023-11-06 22:52:28,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:28" (1/1) ... [2023-11-06 22:52:28,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:28,996 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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-06 22:52:29,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:29,140 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:29,187 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_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i[918,931] [2023-11-06 22:52:29,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:29,291 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:29,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29 WrapperNode [2023-11-06 22:52:29,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:29,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:29,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:29,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:29,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,363 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-06 22:52:29,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:29,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:29,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:29,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:29,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:29,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:29,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:29,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:29,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (1/1) ... [2023-11-06 22:52:29,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:29,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:29,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:29,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:52:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:52:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:52:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:29,605 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:29,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:30,262 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:30,270 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:30,270 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:30,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:30 BoogieIcfgContainer [2023-11-06 22:52:30,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:30,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:30,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:30,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:30,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:28" (1/3) ... [2023-11-06 22:52:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1442935a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:30, skipping insertion in model container [2023-11-06 22:52:30,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:29" (2/3) ... [2023-11-06 22:52:30,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1442935a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:30, skipping insertion in model container [2023-11-06 22:52:30,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:30" (3/3) ... [2023-11-06 22:52:30,310 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-1.i [2023-11-06 22:52:30,331 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:30,331 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:30,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:30,420 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;@62db280d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:30,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:30,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 22:52:30,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:30,459 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:30,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:30,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1625624238, now seen corresponding path program 1 times [2023-11-06 22:52:30,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:30,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213467408] [2023-11-06 22:52:30,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:30,490 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 22:52:30,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:30,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:30,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:31,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:52:31,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2023-11-06 22:52:31,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:31,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:31,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213467408] [2023-11-06 22:52:31,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213467408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:31,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:31,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:31,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634438088] [2023-11-06 22:52:31,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:31,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:52:31,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:31,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:52:31,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:31,190 INFO L87 Difference]: Start difference. First operand has 92 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 22:52:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:31,265 INFO L93 Difference]: Finished difference Result 177 states and 317 transitions. [2023-11-06 22:52:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:52:31,268 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2023-11-06 22:52:31,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:31,282 INFO L225 Difference]: With dead ends: 177 [2023-11-06 22:52:31,282 INFO L226 Difference]: Without dead ends: 88 [2023-11-06 22:52:31,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 22:52:31,296 INFO L413 NwaCegarLoop]: 138 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, 138 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 22:52:31,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-06 22:52:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-06 22:52:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2023-11-06 22:52:31,391 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 198 [2023-11-06 22:52:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:31,392 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2023-11-06 22:52:31,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 22:52:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2023-11-06 22:52:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 22:52:31,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:31,409 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:31,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:31,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:31,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:31,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash 297282990, now seen corresponding path program 1 times [2023-11-06 22:52:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:31,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471849608] [2023-11-06 22:52:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:31,628 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 22:52:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:31,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:31,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:32,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:52:32,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-06 22:52:32,313 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:32,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:32,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471849608] [2023-11-06 22:52:32,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471849608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:32,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:32,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:52:32,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901884815] [2023-11-06 22:52:32,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:32,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:52:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:32,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:52:32,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:52:32,319 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 22:52:32,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:32,938 INFO L93 Difference]: Finished difference Result 183 states and 281 transitions. [2023-11-06 22:52:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:52:32,940 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2023-11-06 22:52:32,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:32,943 INFO L225 Difference]: With dead ends: 183 [2023-11-06 22:52:32,944 INFO L226 Difference]: Without dead ends: 98 [2023-11-06 22:52:32,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:32,947 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 172 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:32,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 241 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:52:32,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-06 22:52:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2023-11-06 22:52:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 61 states have internal predecessors, (81), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 143 transitions. [2023-11-06 22:52:32,969 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 143 transitions. Word has length 198 [2023-11-06 22:52:32,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:32,971 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 143 transitions. [2023-11-06 22:52:32,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-06 22:52:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2023-11-06 22:52:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 22:52:32,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:32,975 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:32,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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)] Ended with exit code 0 [2023-11-06 22:52:33,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:33,190 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:33,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:33,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1291064912, now seen corresponding path program 1 times [2023-11-06 22:52:33,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:33,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990484885] [2023-11-06 22:52:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:33,192 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 22:52:33,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:33,194 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:33,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:33,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:52:33,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:34,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:34,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:34,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990484885] [2023-11-06 22:52:34,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990484885] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:34,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:34,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2023-11-06 22:52:34,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288109933] [2023-11-06 22:52:34,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:34,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:34,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:34,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:34,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:52:34,471 INFO L87 Difference]: Start difference. First operand 96 states and 143 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:34,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:34,641 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2023-11-06 22:52:34,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:34,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-11-06 22:52:34,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:34,646 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:52:34,646 INFO L226 Difference]: Without dead ends: 96 [2023-11-06 22:52:34,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:52:34,648 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 15 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:34,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 227 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:52:34,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-06 22:52:34,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-06 22:52:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 61 states have internal predecessors, (80), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:52:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 142 transitions. [2023-11-06 22:52:34,666 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 142 transitions. Word has length 198 [2023-11-06 22:52:34,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:34,668 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 142 transitions. [2023-11-06 22:52:34,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 142 transitions. [2023-11-06 22:52:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 22:52:34,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:34,672 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:34,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:34,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:34,890 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:34,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:34,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1684091922, now seen corresponding path program 1 times [2023-11-06 22:52:34,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:34,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129265531] [2023-11-06 22:52:34,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:34,892 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 22:52:34,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:34,893 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:35,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:52:35,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:35,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:35,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:35,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129265531] [2023-11-06 22:52:35,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129265531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:35,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:35,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:35,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709919307] [2023-11-06 22:52:35,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:35,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:52:35,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:52:35,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:52:35,631 INFO L87 Difference]: Start difference. First operand 96 states and 142 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:35,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:35,708 INFO L93 Difference]: Finished difference Result 282 states and 420 transitions. [2023-11-06 22:52:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:52:35,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2023-11-06 22:52:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:35,717 INFO L225 Difference]: With dead ends: 282 [2023-11-06 22:52:35,717 INFO L226 Difference]: Without dead ends: 189 [2023-11-06 22:52:35,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 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 22:52:35,726 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 30 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:35,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 256 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:35,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-06 22:52:35,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2023-11-06 22:52:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:52:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2023-11-06 22:52:35,812 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 198 [2023-11-06 22:52:35,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:35,814 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2023-11-06 22:52:35,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2023-11-06 22:52:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 22:52:35,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:35,820 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:35,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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)] Ended with exit code 0 [2023-11-06 22:52:36,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:36,037 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:36,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:36,038 INFO L85 PathProgramCache]: Analyzing trace with hash -613740140, now seen corresponding path program 1 times [2023-11-06 22:52:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:36,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489633972] [2023-11-06 22:52:36,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:36,040 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 22:52:36,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:36,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:36,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (6)] Waiting until timeout for monitored process [2023-11-06 22:52:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:36,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:52:36,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:37,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:37,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:37,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489633972] [2023-11-06 22:52:37,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489633972] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:37,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:37,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13 [2023-11-06 22:52:37,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819702015] [2023-11-06 22:52:37,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:37,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:37,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:37,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:37,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:37,366 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:37,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:37,695 INFO L93 Difference]: Finished difference Result 545 states and 815 transitions. [2023-11-06 22:52:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:52:37,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-06 22:52:37,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:37,701 INFO L225 Difference]: With dead ends: 545 [2023-11-06 22:52:37,701 INFO L226 Difference]: Without dead ends: 361 [2023-11-06 22:52:37,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:52:37,704 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 124 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:37,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 340 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:37,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2023-11-06 22:52:37,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 201. [2023-11-06 22:52:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 132 states have (on average 1.3333333333333333) internal successors, (176), 132 states have internal predecessors, (176), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:52:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 300 transitions. [2023-11-06 22:52:37,755 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 300 transitions. Word has length 199 [2023-11-06 22:52:37,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:37,756 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 300 transitions. [2023-11-06 22:52:37,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 300 transitions. [2023-11-06 22:52:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 22:52:37,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:37,760 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:37,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:37,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:37,978 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:37,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:37,978 INFO L85 PathProgramCache]: Analyzing trace with hash -611893098, now seen corresponding path program 1 times [2023-11-06 22:52:37,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:37,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51208288] [2023-11-06 22:52:37,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:37,980 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 22:52:37,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:37,981 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:37,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (7)] Waiting until timeout for monitored process [2023-11-06 22:52:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:38,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:52:38,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:38,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:39,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51208288] [2023-11-06 22:52:39,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51208288] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:39,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:39,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-06 22:52:39,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680803980] [2023-11-06 22:52:39,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:39,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:39,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:39,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:39,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:39,120 INFO L87 Difference]: Start difference. First operand 201 states and 300 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:39,475 INFO L93 Difference]: Finished difference Result 565 states and 842 transitions. [2023-11-06 22:52:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:52:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-06 22:52:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:39,483 INFO L225 Difference]: With dead ends: 565 [2023-11-06 22:52:39,483 INFO L226 Difference]: Without dead ends: 367 [2023-11-06 22:52:39,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:39,486 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 141 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:39,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 421 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:52:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-11-06 22:52:39,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 209. [2023-11-06 22:52:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 140 states have (on average 1.3142857142857143) internal successors, (184), 140 states have internal predecessors, (184), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-06 22:52:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 308 transitions. [2023-11-06 22:52:39,543 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 308 transitions. Word has length 199 [2023-11-06 22:52:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:39,544 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 308 transitions. [2023-11-06 22:52:39,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 308 transitions. [2023-11-06 22:52:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 22:52:39,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:39,547 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:39,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:39,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:39,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:39,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:39,765 INFO L85 PathProgramCache]: Analyzing trace with hash -220713130, now seen corresponding path program 1 times [2023-11-06 22:52:39,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987627697] [2023-11-06 22:52:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:39,766 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 22:52:39,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:39,767 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (8)] Waiting until timeout for monitored process [2023-11-06 22:52:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:40,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:52:40,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:41,302 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:41,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:41,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987627697] [2023-11-06 22:52:41,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987627697] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:41,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:41,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2023-11-06 22:52:41,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579521274] [2023-11-06 22:52:41,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:41,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:41,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:41,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:52:41,652 INFO L87 Difference]: Start difference. First operand 209 states and 308 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:43,109 INFO L93 Difference]: Finished difference Result 845 states and 1246 transitions. [2023-11-06 22:52:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:52:43,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-06 22:52:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:43,115 INFO L225 Difference]: With dead ends: 845 [2023-11-06 22:52:43,116 INFO L226 Difference]: Without dead ends: 639 [2023-11-06 22:52:43,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:52:43,118 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 435 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:43,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 473 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:52:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-06 22:52:43,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 347. [2023-11-06 22:52:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 250 states have (on average 1.344) internal successors, (336), 252 states have internal predecessors, (336), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-06 22:52:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 512 transitions. [2023-11-06 22:52:43,179 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 512 transitions. Word has length 199 [2023-11-06 22:52:43,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:43,180 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 512 transitions. [2023-11-06 22:52:43,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 512 transitions. [2023-11-06 22:52:43,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 22:52:43,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:43,185 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:43,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (8)] Ended with exit code 0 [2023-11-06 22:52:43,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:43,403 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:43,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:43,403 INFO L85 PathProgramCache]: Analyzing trace with hash -218866088, now seen corresponding path program 1 times [2023-11-06 22:52:43,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:43,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160777669] [2023-11-06 22:52:43,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:43,404 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 22:52:43,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:43,406 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:43,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (9)] Waiting until timeout for monitored process [2023-11-06 22:52:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:43,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:52:43,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:44,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:44,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:44,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160777669] [2023-11-06 22:52:44,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160777669] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:44,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:44,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-06 22:52:44,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490817978] [2023-11-06 22:52:44,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:44,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:44,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:44,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:44,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:52:44,535 INFO L87 Difference]: Start difference. First operand 347 states and 512 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:44,992 INFO L93 Difference]: Finished difference Result 711 states and 1049 transitions. [2023-11-06 22:52:44,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:52:44,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2023-11-06 22:52:44,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:44,998 INFO L225 Difference]: With dead ends: 711 [2023-11-06 22:52:44,998 INFO L226 Difference]: Without dead ends: 367 [2023-11-06 22:52:45,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:52:45,000 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 119 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:45,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 340 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:52:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-11-06 22:52:45,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 339. [2023-11-06 22:52:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 242 states have (on average 1.3471074380165289) internal successors, (326), 244 states have internal predecessors, (326), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-06 22:52:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 502 transitions. [2023-11-06 22:52:45,044 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 502 transitions. Word has length 199 [2023-11-06 22:52:45,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:45,045 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 502 transitions. [2023-11-06 22:52:45,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 502 transitions. [2023-11-06 22:52:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:52:45,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:45,049 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:45,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:45,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:45,262 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:45,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:45,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1025565141, now seen corresponding path program 1 times [2023-11-06 22:52:45,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:45,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537915566] [2023-11-06 22:52:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:45,263 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 22:52:45,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:45,265 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:45,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (10)] Waiting until timeout for monitored process [2023-11-06 22:52:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:45,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:52:45,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:46,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:46,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:46,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537915566] [2023-11-06 22:52:46,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537915566] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:46,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:46,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-06 22:52:46,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638048779] [2023-11-06 22:52:46,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:46,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:52:46,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:46,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:52:46,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:52:46,426 INFO L87 Difference]: Start difference. First operand 339 states and 502 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:47,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:47,132 INFO L93 Difference]: Finished difference Result 1065 states and 1583 transitions. [2023-11-06 22:52:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:52:47,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-06 22:52:47,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:47,142 INFO L225 Difference]: With dead ends: 1065 [2023-11-06 22:52:47,143 INFO L226 Difference]: Without dead ends: 729 [2023-11-06 22:52:47,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 389 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:52:47,147 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 229 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:47,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 472 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:52:47,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-06 22:52:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 377. [2023-11-06 22:52:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 280 states have (on average 1.3642857142857143) internal successors, (382), 282 states have internal predecessors, (382), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-06 22:52:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 558 transitions. [2023-11-06 22:52:47,223 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 558 transitions. Word has length 200 [2023-11-06 22:52:47,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:47,224 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 558 transitions. [2023-11-06 22:52:47,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 558 transitions. [2023-11-06 22:52:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:52:47,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:47,228 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:47,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:47,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:47,443 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:47,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:47,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1023718099, now seen corresponding path program 1 times [2023-11-06 22:52:47,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:47,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621329207] [2023-11-06 22:52:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:47,444 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 22:52:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:47,446 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:47,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (11)] Waiting until timeout for monitored process [2023-11-06 22:52:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:47,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:52:47,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:48,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:48,225 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-06 22:52:48,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:48,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621329207] [2023-11-06 22:52:48,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621329207] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:48,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:48,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-06 22:52:48,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920801828] [2023-11-06 22:52:48,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:48,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:48,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:48,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:48,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:52:48,587 INFO L87 Difference]: Start difference. First operand 377 states and 558 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:49,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:49,823 INFO L93 Difference]: Finished difference Result 1077 states and 1604 transitions. [2023-11-06 22:52:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:52:49,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-06 22:52:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:49,829 INFO L225 Difference]: With dead ends: 1077 [2023-11-06 22:52:49,829 INFO L226 Difference]: Without dead ends: 703 [2023-11-06 22:52:49,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:52:49,832 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 218 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:49,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 376 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:52:49,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2023-11-06 22:52:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 369. [2023-11-06 22:52:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 272 states have (on average 1.3676470588235294) internal successors, (372), 274 states have internal predecessors, (372), 88 states have call successors, (88), 8 states have call predecessors, (88), 8 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-06 22:52:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 548 transitions. [2023-11-06 22:52:49,892 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 548 transitions. Word has length 200 [2023-11-06 22:52:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:49,893 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 548 transitions. [2023-11-06 22:52:49,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-06 22:52:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 548 transitions. [2023-11-06 22:52:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:52:49,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:49,896 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:49,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:50,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:50,118 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:50,119 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:50,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1867104937, now seen corresponding path program 1 times [2023-11-06 22:52:50,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:50,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998028691] [2023-11-06 22:52:50,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:50,120 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 22:52:50,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:50,121 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:50,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (12)] Waiting until timeout for monitored process [2023-11-06 22:52:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:50,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:52:50,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 959 proven. 96 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-06 22:52:50,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 39 proven. 51 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 22:52:51,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:51,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998028691] [2023-11-06 22:52:51,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998028691] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:52:51,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:52:51,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2023-11-06 22:52:51,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020731811] [2023-11-06 22:52:51,263 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:52:51,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:52:51,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:51,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:52:51,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:51,265 INFO L87 Difference]: Start difference. First operand 369 states and 548 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-06 22:52:53,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:53,787 INFO L93 Difference]: Finished difference Result 1082 states and 1558 transitions. [2023-11-06 22:52:53,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-06 22:52:53,788 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 200 [2023-11-06 22:52:53,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:53,795 INFO L225 Difference]: With dead ends: 1082 [2023-11-06 22:52:53,796 INFO L226 Difference]: Without dead ends: 716 [2023-11-06 22:52:53,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=333, Invalid=789, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:52:53,798 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 664 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:53,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 566 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:52:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2023-11-06 22:52:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 441. [2023-11-06 22:52:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 292 states have (on average 1.273972602739726) internal successors, (372), 292 states have internal predecessors, (372), 124 states have call successors, (124), 24 states have call predecessors, (124), 24 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-06 22:52:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 620 transitions. [2023-11-06 22:52:53,876 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 620 transitions. Word has length 200 [2023-11-06 22:52:53,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:53,877 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 620 transitions. [2023-11-06 22:52:53,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2023-11-06 22:52:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 620 transitions. [2023-11-06 22:52:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:52:53,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:53,879 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:53,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:54,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:54,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:54,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:54,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1318828178, now seen corresponding path program 1 times [2023-11-06 22:52:54,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:54,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169503058] [2023-11-06 22:52:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:54,096 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 22:52:54,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:54,097 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:52:54,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (13)] Waiting until timeout for monitored process [2023-11-06 22:52:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:54,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:52:54,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1085 proven. 159 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2023-11-06 22:52:56,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:57,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:57,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169503058] [2023-11-06 22:52:57,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169503058] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:57,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1512478578] [2023-11-06 22:52:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:52:57,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:52:57,016 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:52:57,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-06 22:52:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:57,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:52:57,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 688 proven. 69 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2023-11-06 22:52:58,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 21 proven. 69 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-06 22:52:59,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1512478578] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:52:59,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:52:59,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 8] total 23 [2023-11-06 22:52:59,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554648490] [2023-11-06 22:52:59,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:52:59,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-06 22:52:59,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:59,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-06 22:52:59,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:52:59,505 INFO L87 Difference]: Start difference. First operand 441 states and 620 transitions. Second operand has 23 states, 23 states have (on average 5.130434782608695) internal successors, (118), 22 states have internal predecessors, (118), 6 states have call successors, (93), 7 states have call predecessors, (93), 11 states have return successors, (93), 6 states have call predecessors, (93), 6 states have call successors, (93) [2023-11-06 22:53:06,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:06,993 INFO L93 Difference]: Finished difference Result 1746 states and 2433 transitions. [2023-11-06 22:53:06,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-11-06 22:53:06,994 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.130434782608695) internal successors, (118), 22 states have internal predecessors, (118), 6 states have call successors, (93), 7 states have call predecessors, (93), 11 states have return successors, (93), 6 states have call predecessors, (93), 6 states have call successors, (93) Word has length 200 [2023-11-06 22:53:06,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:07,002 INFO L225 Difference]: With dead ends: 1746 [2023-11-06 22:53:07,002 INFO L226 Difference]: Without dead ends: 1308 [2023-11-06 22:53:07,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 699 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2554 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1249, Invalid=5723, Unknown=0, NotChecked=0, Total=6972 [2023-11-06 22:53:07,008 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 1256 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 406 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:07,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 1015 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-06 22:53:07,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2023-11-06 22:53:07,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 670. [2023-11-06 22:53:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 458 states have (on average 1.2882096069868996) internal successors, (590), 461 states have internal predecessors, (590), 176 states have call successors, (176), 35 states have call predecessors, (176), 35 states have return successors, (176), 173 states have call predecessors, (176), 176 states have call successors, (176) [2023-11-06 22:53:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 942 transitions. [2023-11-06 22:53:07,177 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 942 transitions. Word has length 200 [2023-11-06 22:53:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:07,177 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 942 transitions. [2023-11-06 22:53:07,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.130434782608695) internal successors, (118), 22 states have internal predecessors, (118), 6 states have call successors, (93), 7 states have call predecessors, (93), 11 states have return successors, (93), 6 states have call predecessors, (93), 6 states have call successors, (93) [2023-11-06 22:53:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 942 transitions. [2023-11-06 22:53:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-06 22:53:07,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:07,180 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:53:07,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:07,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:07,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:53:07,588 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:07,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:07,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1741530004, now seen corresponding path program 1 times [2023-11-06 22:53:07,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:07,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652139365] [2023-11-06 22:53:07,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:07,589 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 22:53:07,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:07,591 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 22:53:07,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747552a2-5b26-4ad8-b71d-ff0960c8dfe3/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 (15)] Waiting until timeout for monitored process [2023-11-06 22:53:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:07,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:53:07,904 INFO L285 TraceCheckSpWp]: Computing forward predicates...